chore: update nix node_modules hashes

Co-authored-by: Kit Langton <kit.langton@gmail.com>

bun.lock

@@ -29,7 +29,7 @@
     },
     "packages/app": {
       "name": "@opencode-ai/app",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@kobalte/core": "catalog:",
         "@opencode-ai/core": "workspace:*",
@@ -85,7 +85,7 @@
     },
     "packages/console/app": {
       "name": "@opencode-ai/console-app",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@cloudflare/vite-plugin": "1.15.2",
         "@ibm/plex": "6.4.1",
@@ -121,7 +121,7 @@
     },
     "packages/console/core": {
       "name": "@opencode-ai/console-core",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@aws-sdk/client-sts": "3.782.0",
         "@jsx-email/render": "1.1.1",
@@ -148,7 +148,7 @@
     },
     "packages/console/function": {
       "name": "@opencode-ai/console-function",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@ai-sdk/anthropic": "3.0.64",
         "@ai-sdk/openai": "3.0.48",
@@ -170,7 +170,7 @@
     },
     "packages/console/mail": {
       "name": "@opencode-ai/console-mail",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@jsx-email/all": "2.2.3",
         "@jsx-email/cli": "1.4.3",
@@ -194,7 +194,7 @@
     },
     "packages/console/support": {
       "name": "@opencode-ai/console-support",
-      "version": "0.0.0",
+      "version": "1.15.11",
       "dependencies": {
         "@cloudflare/vite-plugin": "1.15.2",
         "@opencode-ai/console-core": "workspace:*",
@@ -214,7 +214,7 @@
     },
     "packages/core": {
       "name": "@opencode-ai/core",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "bin": {
         "opencode": "./bin/opencode",
       },
@@ -275,7 +275,7 @@
     },
     "packages/desktop": {
       "name": "@opencode-ai/desktop",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@zip.js/zip.js": "2.7.62",
         "drizzle-orm": "catalog:",
@@ -330,7 +330,7 @@
     },
     "packages/effect-drizzle-sqlite": {
       "name": "@opencode-ai/effect-drizzle-sqlite",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "drizzle-orm": "catalog:",
         "effect": "catalog:",
@@ -344,7 +344,7 @@
     },
     "packages/enterprise": {
       "name": "@opencode-ai/enterprise",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@opencode-ai/core": "workspace:*",
         "@opencode-ai/ui": "workspace:*",
@@ -374,7 +374,7 @@
     },
     "packages/function": {
       "name": "@opencode-ai/function",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@octokit/auth-app": "8.0.1",
         "@octokit/rest": "catalog:",
@@ -390,7 +390,7 @@
     },
     "packages/http-recorder": {
       "name": "@opencode-ai/http-recorder",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@effect/platform-node": "catalog:",
         "effect": "catalog:",
@@ -403,7 +403,7 @@
     },
     "packages/llm": {
       "name": "@opencode-ai/llm",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@smithy/eventstream-codec": "4.2.14",
         "@smithy/util-utf8": "4.2.2",
@@ -421,7 +421,7 @@
     },
     "packages/opencode": {
       "name": "opencode",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "bin": {
         "opencode": "./bin/opencode",
       },
@@ -478,6 +478,7 @@
         "@solid-primitives/event-bus": "1.1.2",
         "@solid-primitives/scheduled": "1.5.2",
         "@standard-schema/spec": "1.0.0",
+        "@types/ws": "8.18.1",
         "@zip.js/zip.js": "2.7.62",
         "ai": "catalog:",
         "ai-gateway-provider": "3.1.2",
@@ -519,6 +520,7 @@
         "vscode-jsonrpc": "8.2.1",
         "web-tree-sitter": "0.25.10",
         "which": "6.0.1",
+        "ws": "8.21.0",
         "xdg-basedir": "5.1.0",
         "yargs": "18.0.0",
         "zod": "catalog:",
@@ -559,7 +561,7 @@
     },
     "packages/plugin": {
       "name": "@opencode-ai/plugin",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@opencode-ai/sdk": "workspace:*",
         "effect": "catalog:",
@@ -575,9 +577,9 @@
         "typescript": "catalog:",
       },
       "peerDependencies": {
-        "@opentui/core": ">=0.2.15",
-        "@opentui/keymap": ">=0.2.15",
-        "@opentui/solid": ">=0.2.15",
+        "@opentui/core": ">=0.2.16",
+        "@opentui/keymap": ">=0.2.16",
+        "@opentui/solid": ">=0.2.16",
       },
       "optionalPeers": [
         "@opentui/core",
@@ -597,7 +599,7 @@
     },
     "packages/sdk/js": {
       "name": "@opencode-ai/sdk",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "cross-spawn": "catalog:",
       },
@@ -612,7 +614,7 @@
     },
     "packages/slack": {
       "name": "@opencode-ai/slack",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@opencode-ai/sdk": "workspace:*",
         "@slack/bolt": "^3.17.1",
@@ -625,8 +627,9 @@
     },
     "packages/stats/app": {
       "name": "@opencode-ai/stats-app",
-      "version": "1.14.50",
+      "version": "1.15.11",
       "dependencies": {
+        "@ibm/plex": "6.4.1",
         "@opencode-ai/stats-core": "workspace:*",
         "@opencode-ai/ui": "workspace:*",
         "@solidjs/meta": "catalog:",
@@ -648,7 +651,7 @@
     },
     "packages/stats/core": {
       "name": "@opencode-ai/stats-core",
-      "version": "1.14.50",
+      "version": "1.15.11",
       "dependencies": {
         "@aws-sdk/client-athena": "3.933.0",
         "@planetscale/database": "1.19.0",
@@ -667,7 +670,7 @@
     },
     "packages/stats/server": {
       "name": "@opencode-ai/stats-server",
-      "version": "1.14.50",
+      "version": "1.15.11",
       "dependencies": {
         "@aws-sdk/client-firehose": "3.933.0",
         "@effect/platform-node": "catalog:",
@@ -707,7 +710,7 @@
     },
     "packages/ui": {
       "name": "@opencode-ai/ui",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@kobalte/core": "catalog:",
         "@opencode-ai/core": "workspace:*",
@@ -756,7 +759,7 @@
     },
     "packages/web": {
       "name": "@opencode-ai/web",
-      "version": "1.15.10",
+      "version": "1.15.11",
       "dependencies": {
         "@astrojs/cloudflare": "12.6.3",
         "@astrojs/markdown-remark": "6.3.1",
@@ -824,9 +827,9 @@
     "@npmcli/arborist": "9.4.0",
     "@octokit/rest": "22.0.0",
     "@openauthjs/openauth": "0.0.0-20250322224806",
-    "@opentui/core": "0.2.15",
-    "@opentui/keymap": "0.2.15",
-    "@opentui/solid": "0.2.15",
+    "@opentui/core": "0.2.16",
+    "@opentui/keymap": "0.2.16",
+    "@opentui/solid": "0.2.16",
     "@pierre/diffs": "1.1.0-beta.18",
     "@playwright/test": "1.59.1",
     "@sentry/solid": "10.36.0",
@@ -1716,23 +1719,23 @@
 
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+    "@opentui/core": ["@opentui/core@0.2.16", "", { "dependencies": { "bun-ffi-structs": "0.2.2", "diff": "9.0.0", "marked": "17.0.1", "string-width": "7.2.0", "strip-ansi": "7.1.2", "yoga-layout": "3.2.1" }, "optionalDependencies": { "@opentui/core-darwin-arm64": "0.2.16", "@opentui/core-darwin-x64": "0.2.16", "@opentui/core-linux-arm64": "0.2.16", "@opentui/core-linux-x64": "0.2.16", "@opentui/core-win32-arm64": "0.2.16", "@opentui/core-win32-x64": "0.2.16" }, "peerDependencies": { "web-tree-sitter": "0.25.10" } }, "sha512-4vWN15Zc3nsXJlOiHhhpqkBXD+wrNFKxCPtiTiillZYDRre+XsZogVTOOGUDwaBIC23OSxq7imezLmmtShVBEA=="],
 
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-    "@opentui/core-win32-arm64": ["@opentui/core-win32-arm64@0.2.15", "", { "os": "win32", "cpu": "arm64" }, "sha512-2SQQLvf3sgmToxrNika9AdcccKrjPJEn5jW6sSv0oEixNBzUzW41vSZZG4LM/V3lL8eg0LoYDnRZeKLB4gwSqQ=="],
+    "@opentui/core-win32-arm64": ["@opentui/core-win32-arm64@0.2.16", "", { "os": "win32", "cpu": "arm64" }, "sha512-C6WqEI3VkXatXraMgSFXZjEXq0pzURGjRpFAJZYmuVDmpqE57o7E80Np2UkdZ6m5kpJDt4mRyu3krc/P825iNQ=="],
 
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-    "@opentui/solid": ["@opentui/solid@0.2.15", "", { "dependencies": { "@babel/core": "7.28.0", "@babel/preset-typescript": "7.27.1", "@opentui/core": "0.2.15", "babel-plugin-module-resolver": "5.0.2", "babel-preset-solid": "1.9.12", "entities": "7.0.1", "s-js": "^0.4.9" }, "peerDependencies": { "solid-js": "1.9.12" } }, "sha512-CViepAjsCWXwrLndMt+qlLo7cooVX7DXwSJHNizw7mfrRJtOPzSYJZCIk1vF4IJTWffCHygoYMe3uSeKvzAcbw=="],
+    "@opentui/solid": ["@opentui/solid@0.2.16", "", { "dependencies": { "@babel/core": "7.28.0", "@babel/preset-typescript": "7.27.1", "@opentui/core": "0.2.16", "babel-plugin-module-resolver": "5.0.2", "babel-preset-solid": "1.9.12", "entities": "7.0.1", "s-js": "^0.4.9" }, "peerDependencies": { "solid-js": "1.9.12" } }, "sha512-2Q+v1PPpXXr+sALi9Aj6I5Jvo7xDfbmstYjRLL7lW3Hghh9i7ONQKpt/gyDDRbhSsYrhxKYTNenF9OxgoXkTHg=="],
 
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@@ -5138,7 +5141,7 @@
 
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-    "ws": ["ws@8.18.0", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw=="],
+    "ws": ["ws@8.21.0", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-Vsp28b7DRcimFQvrqu2Wek3z1iYxDCWqHYB8Qsnk/S4RfaCQzPGPyBNuVjJV3cd6UiKtUtp6sNM77gWvzcCH+g=="],
 
     "wsl-utils": ["wsl-utils@0.3.1", "", { "dependencies": { "is-wsl": "^3.1.0", "powershell-utils": "^0.1.0" } }, "sha512-g/eziiSUNBSsdDJtCLB8bdYEUMj4jR7AGeUo96p/3dTafgjHhpF4RiCFPiRILwjQoDXx5MqkBr4fwWtR3Ky4Wg=="],
 
@@ -5496,6 +5499,8 @@
 
     "@cloudflare/kv-asset-handler/mime": ["mime@3.0.0", "", { "bin": { "mime": "cli.js" } }, "sha512-jSCU7/VB1loIWBZe14aEYHU/+1UMEHoaO7qxCOVJOw9GgH72VAWppxNcjU+x9a2k3GSIBXNKxXQFqRvvZ7vr3A=="],
 
+    "@cloudflare/vite-plugin/ws": ["ws@8.18.0", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw=="],
+
     "@cspotcode/source-map-support/@jridgewell/trace-mapping": ["@jridgewell/trace-mapping@0.3.9", "", { "dependencies": { "@jridgewell/resolve-uri": "^3.0.3", "@jridgewell/sourcemap-codec": "^1.4.10" } }, "sha512-3Belt6tdc8bPgAtbcmdtNJlirVoTmEb5e2gC94PnkwEW9jI6CAHUeoG85tjWP5WquqfavoMtMwiG4P926ZKKuQ=="],
 
     "@develar/schema-utils/ajv": ["ajv@6.14.0", "", { "dependencies": { "fast-deep-equal": "^3.1.1", "fast-json-stable-stringify": "^2.0.0", "json-schema-traverse": "^0.4.1", "uri-js": "^4.2.2" } }, "sha512-IWrosm/yrn43eiKqkfkHis7QioDleaXQHdDVPKg0FSwwd/DuvyX79TZnFOnYpB7dcsFAMmtFztZuXPDvSePkFw=="],
@@ -5958,6 +5963,8 @@
 
     "miniflare/undici": ["undici@7.14.0", "", {}, "sha512-Vqs8HTzjpQXZeXdpsfChQTlafcMQaaIwnGwLam1wudSSjlJeQ3bw1j+TLPePgrCnCpUXx7Ba5Pdpf5OBih62NQ=="],
 
+    "miniflare/ws": ["ws@8.18.0", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw=="],
+
     "miniflare/zod": ["zod@3.22.3", "", {}, "sha512-EjIevzuJRiRPbVH4mGc8nApb/lVLKVpmUhAaR5R5doKGfAnGJ6Gr3CViAVjP+4FWSxCsybeWQdcgCtbX+7oZug=="],
 
     "minipass-flush/minipass": ["minipass@3.3.6", "", { "dependencies": { "yallist": "^4.0.0" } }, "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw=="],
@@ -6074,6 +6081,8 @@
 
     "storybook/open": ["open@10.2.0", "", { "dependencies": { "default-browser": "^5.2.1", "define-lazy-prop": "^3.0.0", "is-inside-container": "^1.0.0", "wsl-utils": "^0.1.0" } }, "sha512-YgBpdJHPyQ2UE5x+hlSXcnejzAvD0b22U2OuAP+8OnlJT+PjWPxtgmGqKKc+RgTM63U9gN0YzrYc71R2WT/hTA=="],
 
+    "storybook/ws": ["ws@8.18.0", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw=="],
+
     "storybook-solidjs-vite/vite-plugin-solid": ["vite-plugin-solid@2.11.12", "", { "dependencies": { "@babel/core": "^7.23.3", "@types/babel__core": "^7.20.4", "babel-preset-solid": "^1.8.4", "merge-anything": "^5.1.7", "solid-refresh": "^0.6.3", "vitefu": "^1.0.4" }, "peerDependencies": { "@testing-library/jest-dom": "^5.16.6 || ^5.17.0 || ^6.*", "solid-js": "^1.7.2", "vite": "^3.0.0 || ^4.0.0 || ^5.0.0 || ^6.0.0 || ^7.0.0 || ^8.0.0" }, "optionalPeers": ["@testing-library/jest-dom"] }, "sha512-FgjPcx2OwX9h6f28jli7A4bG7PP3te8uyakE5iqsmpq3Jqi1TWLgSroC9N6cMfGRU2zXsl4Q6ISvTr2VL0QHpA=="],
 
     "string-width-cjs/emoji-regex": ["emoji-regex@8.0.0", "", {}, "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A=="],

infra/lake.ts

@@ -209,8 +209,8 @@ const ingestConfig = new sst.Linkable("LakeIngestConfig", {
 const ingestService = new sst.aws.Service("LakeIngestService", {
   cluster: lakeCluster,
   architecture: "arm64",
-  cpu: "0.5 vCPU",
-  memory: "1 GB",
+  cpu: "1 vCPU",
+  memory: "4 GB",
   image: {
     context: ".",
     dockerfile: "packages/stats/server/Dockerfile",

infra/stage.ts

@@ -5,10 +5,8 @@ export const domain = (() => {
 })()
 
 export const zoneID = "430ba34c138cfb5360826c4909f99be8"
-// Dev owns the shared AWS lake/stats infra for all non-production stages.
 export const awsStage = $app.stage === "production" ? "production" : "dev"
-// Temporarily omit AWS infra so SST removes the lake/stats resources.
-export const deployAws = false
+export const deployAws = $app.stage === awsStage
 
 new cloudflare.RegionalHostname("RegionalHostname", {
   hostname: domain,

nix/hashes.json

@@ -1,8 +1,8 @@
 {
   "nodeModules": {
-    "x86_64-linux": "sha256-FT8N4SBP7OmVu73OwNyPJvBoxFd2+IXzNnFubB8y6J0=",
-    "aarch64-linux": "sha256-rGst01voY1/qr/fIMEgfL2zep/+W2RhjJh5pKs+/P3s=",
-    "aarch64-darwin": "sha256-+oTdR3CuR88Ra3QQsDn7ixNwJf0YjOxySTSiRsPPUOg=",
-    "x86_64-darwin": "sha256-3ZkB83KWtp6N7u9xhzmCouv27UuisXYvr2SBap4k++E="
+    "x86_64-linux": "sha256-70om2TEJYJJOcf9lqex+Sxs27c1SVVgN7FNkLbTXBR0=",
+    "aarch64-linux": "sha256-/xTsjAFl6TmydJFXETctBoRePIFAkMyxv0HLWHFymJg=",
+    "aarch64-darwin": "sha256-/xbFzrnScm1x4xuz2rEJyyjockDMIIyqJtxm3Axghbg=",
+    "x86_64-darwin": "sha256-ZbJDPhmcvBlY80CPmzygw4S8mjdR+d/UyL+3R3nhZtM="
   }
 }

package.json

@@ -10,7 +10,7 @@
     "dev:desktop": "bun --cwd packages/desktop dev",
     "dev:web": "bun --cwd packages/app dev",
     "dev:console": "ulimit -n 10240 2>/dev/null; bun run --cwd packages/console/app dev",
-    "dev:stats": "bun run --cwd packages/stats/app dev",
+    "dev:stats": "bun sst shell --stage=production -- bun run --cwd packages/stats/app dev",
     "dev:storybook": "bun --cwd packages/storybook storybook",
     "lint": "oxlint",
     "typecheck": "bun turbo typecheck",
@@ -38,9 +38,9 @@
       "@types/cross-spawn": "6.0.6",
       "@octokit/rest": "22.0.0",
       "@hono/zod-validator": "0.4.2",
-      "@opentui/core": "0.2.15",
-      "@opentui/keymap": "0.2.15",
-      "@opentui/solid": "0.2.15",
+      "@opentui/core": "0.2.16",
+      "@opentui/keymap": "0.2.16",
+      "@opentui/solid": "0.2.16",
       "ulid": "3.0.1",
       "@kobalte/core": "0.13.11",
       "@types/luxon": "3.7.1",

packages/app/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode-ai/app",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "description": "",
   "type": "module",
   "exports": {

packages/app/src/app.tsx

@@ -14,6 +14,7 @@ import { QueryClient, QueryClientProvider } from "@tanstack/solid-query"
 import { Effect } from "effect"
 import {
   type Component,
+  createEffect,
   createMemo,
   createResource,
   createSignal,
@@ -40,7 +41,7 @@ import { NotificationProvider } from "@/context/notification"
 import { PermissionProvider } from "@/context/permission"
 import { PromptProvider } from "@/context/prompt"
 import { ServerConnection, ServerProvider, serverName, useServer } from "@/context/server"
-import { SettingsProvider } from "@/context/settings"
+import { SettingsProvider, useSettings } from "@/context/settings"
 import { TerminalProvider } from "@/context/terminal"
 import DirectoryLayout from "@/pages/directory-layout"
 import Layout from "@/pages/layout"
@@ -48,11 +49,6 @@ import { ErrorPage } from "./pages/error"
 import { useCheckServerHealth } from "./utils/server-health"
 import { ServersProvider } from "./context/servers"
 
-if (import.meta.env.VITE_OPENCODE_CHANNEL !== "prod") {
-  document.body.classList.remove("text-12-regular")
-  document.body.classList.add("font-(family-name:--font-family-text)", "text-[13px]", "font-[440]")
-}
-
 const HomeRoute = lazy(() => import("@/pages/home"))
 const Session = lazy(() => import("@/pages/session"))
 
@@ -97,9 +93,26 @@ function QueryProvider(props: ParentProps) {
   return <QueryClientProvider client={client}>{props.children}</QueryClientProvider>
 }
 
+function BodyDesignClass() {
+  const settings = useSettings()
+
+  createEffect(() => {
+    if (typeof document === "undefined") return
+
+    const enabled = settings.general.newLayoutDesigns()
+    document.body.classList.toggle("text-12-regular", !enabled)
+    document.body.classList.toggle("font-(family-name:--font-family-text)", enabled)
+    document.body.classList.toggle("text-[13px]", enabled)
+    document.body.classList.toggle("font-[440]", enabled)
+  })
+
+  return null
+}
+
 function AppShellProviders(props: ParentProps) {
   return (
     <SettingsProvider>
+      <BodyDesignClass />
       <PermissionProvider>
         <LayoutProvider>
           <NotificationProvider>

packages/app/src/components/prompt-input.tsx

@@ -79,8 +79,6 @@ import { pathKey } from "@/utils/path-key"
 import { base64Encode } from "@opencode-ai/core/util/encode"
 import { displayName } from "@/pages/layout/helpers"
 
-const USE_V2_INPUT = import.meta.env.VITE_OPENCODE_CHANNEL !== "prod"
-
 interface PromptInputProps {
   class?: string
   variant?: "dock" | "new-session"
@@ -1456,7 +1454,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
         t={(key) => language.t(key as Parameters<typeof language.t>[0])}
       />
       <Switch>
-        <Match when={USE_V2_INPUT}>
+        <Match when={settings.general.newLayoutDesigns()}>
           <div class="flex flex-col gap-3">
             <DockShellForm
               data-component={newSession() ? "session-new-composer" : "session-composer"}
@@ -1528,7 +1526,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                     onKeyDown={handleKeyDown}
                     classList={{
                       "select-text": true,
-                      "min-h-[52px] w-full px-4 pt-4 pb-2 focus:outline-none whitespace-pre-wrap leading-5 text-[13px] font-[440] text-v2-text-text-faint [font-family:Inter,var(--font-family-sans)]": true,
+                      "min-h-[52px] w-full px-4 pt-4 pb-2 focus:outline-none whitespace-pre-wrap leading-5 text-[13px] font-[440] text-v2-text-text-base": true,
                       "[&_[data-type=file]]:text-syntax-property": true,
                       "[&_[data-type=agent]]:text-syntax-type": true,
                       "font-mono!": store.mode === "shell",

packages/app/src/components/session/session-header.tsx

@@ -45,8 +45,6 @@ const OPEN_APPS = [
   "sublime-text",
 ] as const
 
-const USE_V2_TITLEBAR = import.meta.env.VITE_OPENCODE_CHANNEL !== "prod"
-
 type OpenApp = (typeof OPEN_APPS)[number]
 type OS = "macos" | "windows" | "linux" | "unknown"
 
@@ -157,11 +155,11 @@ export function SessionHeader() {
   })
   const hotkey = createMemo(() => command.keybind("file.open"))
   const os = createMemo(() => detectOS(platform))
-  const isDesktopV2 = platform.platform === "desktop" && USE_V2_TITLEBAR
-  const search = createMemo(() => (isDesktopV2 ? settings.general.showSearch() : true))
-  const tree = createMemo(() => (isDesktopV2 ? settings.general.showFileTree() : true))
-  const term = createMemo(() => (isDesktopV2 ? settings.general.showTerminal() : true))
-  const status = createMemo(() => (isDesktopV2 ? settings.general.showStatus() : true))
+  const isDesktopV2 = createMemo(() => platform.platform === "desktop" && settings.general.newLayoutDesigns())
+  const search = createMemo(() => (isDesktopV2() ? settings.general.showSearch() : true))
+  const tree = createMemo(() => (isDesktopV2() ? settings.general.showFileTree() : true))
+  const term = createMemo(() => (isDesktopV2() ? settings.general.showTerminal() : true))
+  const status = createMemo(() => (isDesktopV2() ? settings.general.showStatus() : true))
 
   const [exists, setExists] = createStore<Partial<Record<OpenApp, boolean>>>({
     finder: true,

packages/app/src/components/settings-general.tsx

@@ -399,6 +399,18 @@ export const SettingsGeneral: Component = () => {
             />
           </div>
         </SettingsRow>
+
+        <SettingsRow
+          title={language.t("settings.general.row.newLayoutDesigns.title")}
+          description={language.t("settings.general.row.newLayoutDesigns.description")}
+        >
+          <div data-action="settings-new-layout-designs">
+            <Switch
+              checked={settings.general.newLayoutDesigns()}
+              onChange={(checked) => settings.general.setNewLayoutDesigns(checked)}
+            />
+          </div>
+        </SettingsRow>
       </SettingsList>
     </div>
   )
@@ -802,7 +814,7 @@ export const SettingsGeneral: Component = () => {
 
         <DisplaySection />
 
-        <Show when={desktop() && import.meta.env.VITE_OPENCODE_CHANNEL !== "prod"}>
+        <Show when={desktop()}>
           <AdvancedSection />
         </Show>
       </div>

packages/app/src/components/titlebar.tsx

@@ -55,7 +55,6 @@ const legacyTitlebarHeight = 40
 const v2TitlebarHeight = 44
 const minTitlebarZoom = 0.25
 const windowsControlsBaseWidth = 138 // 3 native Windows caption buttons at 46px each.
-const USE_V2_TITLEBAR = import.meta.env.VITE_OPENCODE_CHANNEL !== "prod"
 
 const makeSessionHref = (b64Dir: string, sessionId: string) => `/${b64Dir}/session/${sessionId}`
 
@@ -75,6 +74,7 @@ export function Titlebar(props: { update?: TitlebarUpdate }) {
   const navigate = useNavigate()
   const location = useLocation()
   const params = useParams()
+  const useV2Titlebar = createMemo(() => settings.general.newLayoutDesigns())
 
   const mac = createMemo(() => platform.platform === "desktop" && platform.os === "macos")
   const windows = createMemo(() => platform.platform === "desktop" && platform.os === "windows")
@@ -85,7 +85,7 @@ export function Titlebar(props: { update?: TitlebarUpdate }) {
   const titlebarZoom = () => (windows() ? Math.max(zoom(), minTitlebarZoom) : zoom())
   const counterZoom = () => (windows() && titlebarZoom() < 1 ? 1 / titlebarZoom() : 1)
   const minHeight = () => {
-    const height = USE_V2_TITLEBAR ? v2TitlebarHeight : legacyTitlebarHeight
+    const height = useV2Titlebar() ? v2TitlebarHeight : legacyTitlebarHeight
     if (mac()) return `${height / zoom()}px`
     if (windows()) return `${height / Math.min(titlebarZoom(), 1)}px`
     return undefined
@@ -119,7 +119,7 @@ export function Titlebar(props: { update?: TitlebarUpdate }) {
   const canBack = createMemo(() => history.index > 0)
   const canForward = createMemo(() => history.index < history.stack.length - 1)
   const hasProjects = createMemo(() => layout.projects.list().length > 0)
-  const nav = createMemo(() => (USE_V2_TITLEBAR ? settings.general.showNavigation() : true))
+  const nav = createMemo(() => (useV2Titlebar() ? settings.general.showNavigation() : true))
   const updateState = createMemo<TitlebarUpdatePillState>(() => {
     const version = props.update?.version()
     return {
@@ -222,8 +222,8 @@ export function Titlebar(props: { update?: TitlebarUpdate }) {
     <header
       classList={{
         "shrink-0 relative overflow-hidden flex flex-row": true,
-        "h-11 bg-v2-background-bg-deep": USE_V2_TITLEBAR,
-        "h-10 bg-background-base": !USE_V2_TITLEBAR,
+        "h-11 bg-v2-background-bg-deep": useV2Titlebar(),
+        "h-10 bg-background-base": !useV2Titlebar(),
       }}
       style={{
         "min-height": minHeight(),
@@ -239,7 +239,7 @@ export function Titlebar(props: { update?: TitlebarUpdate }) {
       onDblClick={maximize}
     >
       <Switch>
-        <Match when={USE_V2_TITLEBAR}>
+        <Match when={useV2Titlebar()}>
           {(_) => {
             const serverSync = useServerSync()
             const navigate = useNavigate()
@@ -490,7 +490,6 @@ export function Titlebar(props: { update?: TitlebarUpdate }) {
                             project={projectForSession(tab.info, projects(), projectByID())}
                             directory={tab.dir}
                             onClose={() => tabsStoreActions.removeTab(tab.href)}
-                            hideClose={tabsEnriched().length < 2}
                           />
                         </>
                       )}
@@ -737,14 +736,13 @@ function TabNavItem(props: {
   title: string
   project?: LocalProject
   directory: string
-  hideClose?: boolean
   onClose: () => void
 }) {
   const match = useMatch(() => props.href)
   const isActive = () => !!match()
   return (
     <div
-      class="group relative flex h-7 min-w-24 max-w-60 flex-row items-center gap-1.5 overflow-hidden whitespace-nowrap rounded-[6px] bg-[var(--tab-bg)] pl-1.5 [--tab-bg:var(--v2-background-bg-deep)] hover:[--tab-bg:var(--v2-background-bg-layer-02)] data-[active='true']:[--tab-bg:var(--v2-background-bg-layer-02)]"
+      class="group relative flex h-7 min-w-24 max-w-60 flex-row items-center gap-1.5 overflow-hidden whitespace-nowrap rounded-[6px] bg-[var(--tab-bg)] px-1.5 [--tab-bg:var(--v2-background-bg-deep)] hover:[--tab-bg:var(--v2-background-bg-layer-02)] data-[active='true']:[--tab-bg:var(--v2-background-bg-layer-02)]"
       data-active={isActive()}
     >
       <a
@@ -755,7 +753,7 @@ function TabNavItem(props: {
         <span class="text-clip leading-5">{props.title}</span>
       </a>
 
-      <div class="absolute right-0 inset-y-0 flex flex-row items-center pr-1 py-1 w-8 pl-2">
+      <div class="absolute not-group-hover:not-group-data-[active=true]:left-52 group-hover:right-0 group-data-[active=true]:right-0 inset-y-0 flex flex-row items-center pr-1 py-1 w-8 pl-2">
         <div
           class="absolute inset-0 bg-(image:--inactive-bg) group-hover:bg-(image:--active-bg) group-data-[active=true]:bg-(image:--active-bg)"
           style={{
@@ -766,7 +764,7 @@ function TabNavItem(props: {
         <IconButtonV2
           size="small"
           variant="ghost-muted"
-          class="opacity-0 group-hover:opacity-100 group-data-[active='true']:opacity-100"
+          class="opacity-0 group-hover:opacity-100 group-data-[active='true']:opacity-100 z-10"
           onClick={props.onClose}
           icon={<IconV2 name="xmark-small" />}
         />

packages/app/src/context/settings.tsx

@@ -33,6 +33,7 @@ export interface Settings {
     editToolPartsExpanded: boolean
     showSessionProgressBar: boolean
     showCustomAgents: boolean
+    newLayoutDesigns?: boolean
   }
   updates: {
     startup: boolean
@@ -54,6 +55,7 @@ export interface Settings {
 export const monoDefault = "System Mono"
 export const sansDefault = "System Sans"
 export const terminalDefault = "JetBrainsMono Nerd Font Mono"
+export const newLayoutDesignsDefault = import.meta.env.VITE_OPENCODE_CHANNEL !== "prod"
 
 const monoFallback =
   'ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace'
@@ -242,6 +244,10 @@ export const { use: useSettings, provider: SettingsProvider } = createSimpleCont
         setShowCustomAgents(value: boolean) {
           setStore("general", "showCustomAgents", value)
         },
+        newLayoutDesigns: withFallback(() => store.general?.newLayoutDesigns, newLayoutDesignsDefault),
+        setNewLayoutDesigns(value: boolean) {
+          setStore("general", "newLayoutDesigns", value)
+        },
       },
       updates: {
         startup: withFallback(() => store.updates?.startup, defaultSettings.updates.startup),

packages/app/src/i18n/en.ts

@@ -791,6 +791,8 @@ export const dict = {
   "settings.general.row.showSessionProgressBar.title": "Show session progress bar",
   "settings.general.row.showSessionProgressBar.description":
     "Display the animated progress bar at the top of the session when the agent is working",
+  "settings.general.row.newLayoutDesigns.title": "New layout and designs",
+  "settings.general.row.newLayoutDesigns.description": "Enable the redesigned layout, home, composer, and session UI",
   "settings.general.row.pinchZoom.title": "Pinch to zoom",
   "settings.general.row.pinchZoom.description": "Allow trackpad pinch and Ctrl-scroll gestures to zoom",
 

packages/app/src/pages/home.tsx

@@ -31,8 +31,8 @@ import { messageAgentColor } from "@/utils/agent"
 import { sessionPermissionRequest } from "@/pages/session/composer/session-request-tree"
 import { ServerHealthIndicator } from "@/components/server/server-row"
 import { useServers } from "@/context/servers"
+import { useSettings } from "@/context/settings"
 
-const USE_HOME_DESIGN = import.meta.env.VITE_OPENCODE_CHANNEL !== "prod"
 const HOME_SESSION_LIMIT = 15
 const HOME_ROW =
   "flex min-w-0 w-full shrink-0 cursor-default items-center rounded-[6px] border-0 bg-transparent text-left text-v2-text-text-muted transition-colors duration-[120ms] ease-in-out hover:bg-v2-overlay-simple-overlay-hover focus-visible:bg-v2-overlay-simple-overlay-hover focus-visible:outline-none"
@@ -52,8 +52,12 @@ type HomeSessionGroup = {
 }
 
 export default function Home() {
-  if (USE_HOME_DESIGN) return <HomeDesign />
-  return <LegacyHome />
+  const settings = useSettings()
+  return (
+    <Show when={settings.general.newLayoutDesigns()} fallback={<LegacyHome />}>
+      <HomeDesign />
+    </Show>
+  )
 }
 
 function HomeDesign() {
@@ -68,13 +72,11 @@ function HomeDesign() {
   const [state, setState] = createStore({ search: "", project: undefined as string | undefined })
 
   const projects = createMemo(() => layout.projects.list())
-  const selectedProject = createMemo(
-    () => projects().find((project) => project.worktree === state.project) ?? projects()[0],
-  )
+  const selectedProject = createMemo(() => projects().find((project) => project.worktree === state.project))
   const directories = (project: LocalProject) => [project.worktree, ...(project.sandboxes ?? [])]
   const projectDirectories = createMemo(() => {
     const project = selectedProject()
-    if (!project) return []
+    if (!project) return [...projects().flatMap((project) => directories(project))]
     return directories(project)
   })
   const search = createMemo(() => state.search.trim())
@@ -89,8 +91,8 @@ function HomeDesign() {
   const projectByID = createMemo(
     () => new Map(projects().flatMap((project) => (project.id ? [[project.id, project] as const] : []))),
   )
-  const records = createMemo(() =>
-    [
+  const records = createMemo(() => {
+    return [
       ...new Map(
         projectDirectories()
           .flatMap((directory) => sortedRootSessions(sync.child(directory, { bootstrap: false })[0], Date.now()))
@@ -112,8 +114,8 @@ function HomeDesign() {
         if (!value) return true
         return `${record.session.title} ${record.projectName}`.toLowerCase().includes(value)
       })
-      .slice(0, HOME_SESSION_LIMIT),
-  )
+      .slice(0, HOME_SESSION_LIMIT)
+  })
   const groups = createMemo(() => groupSessions(records(), language))
 
   function selectProject(directory: string) {
@@ -220,7 +222,7 @@ function HomeDesign() {
         aria-label={language.t("sidebar.project.recentSessions")}
       >
         <Show
-          when={selectedProject()}
+          when={projectDirectories().length > 0}
           fallback={
             <HomeEmptyState
               icon="folder-add-left"
@@ -298,8 +300,8 @@ function HomeProjectColumn(props: {
   const layout = useLayout()
   const projects = createMemo(() => layout.projects.list())
   return (
-    <aside class="flex min-w-0 flex-col lg:pt-[52px]" aria-label={props.language.t("home.projects")}>
-      <div class="flex h-7 min-w-0 items-center justify-between pl-3">
+    <aside class="flex min-w-0 flex-col lg:pt-[52px] gap-4" aria-label={props.language.t("home.projects")}>
+      <div class="flex h-7 min-w-0 items-center justify-between pl-1.5">
         <div class={HOME_SECTION_LABEL}>{props.language.t("home.projects")}</div>
         <IconButtonV2
           data-action="home-add-project"
@@ -311,8 +313,8 @@ function HomeProjectColumn(props: {
           aria-label={props.language.t("home.project.add")}
         />
       </div>
-      <For
-        each={servers.list()}
+      <Show
+        when={servers.list().length > 1}
         fallback={
           <ProjectList
             projects={projects()}
@@ -328,61 +330,63 @@ function HomeProjectColumn(props: {
           />
         }
       >
-        {(server) => {
-          const key = ServerConnection.key(server)
-          const healthy = () => !!servers.health[key]?.healthy
-          const [open, setOpen] = createSignal(true)
+        <For each={servers.list()}>
+          {(server) => {
+            const key = ServerConnection.key(server)
+            const healthy = () => !!servers.health[key]?.healthy
+            const [open, setOpen] = createSignal(true)
 
-          return (
-            <div class="mt-4 max-h-[min(572px,calc(100vh_-_300px))] min-w-0 [scrollbar-width:none] [&::-webkit-scrollbar]:hidden">
-              <div class="relative h-7 group">
-                <button
-                  class="w-full h-full px-1.5 gap-2 flex flex-row items-center hover:not-disabled:bg-v2-overlay-simple-overlay-hover rounded-[4px]"
-                  disabled={!healthy()}
-                  onClick={() => setOpen((o) => !o)}
-                >
-                  <div class="size-4 flex items-center justify-center">
-                    <ServerHealthIndicator health={servers.health[key]} />
-                  </div>
-                  <div class="flex flex-row items-center gap-1">
-                    <span>{server.displayName ?? new URL(server.http.url).host}</span>
-                    <Show when={healthy()}>
-                      <IconV2
-                        name="outline-chevron-down"
-                        class="text-v2-icon-icon-muted data-[open=false]:-rotate-90"
-                        data-open={open()}
-                      />
-                    </Show>
-                  </div>
-                </button>
-                <IconButtonV2
-                  class="absolute right-1 inset-y-1 opacity-0 group-hover:opacity-100"
-                  name="out"
-                  variant="ghost-muted"
-                  size="small"
-                  icon={<IconV2 name="outline-dots" class="text-v2-icon-icon-muted" />}
-                />
+            return (
+              <div class="max-h-[min(572px,calc(100vh_-_300px))] min-w-0 [scrollbar-width:none] [&::-webkit-scrollbar]:hidden">
+                <div class="relative h-7 group">
+                  <button
+                    class="w-full h-full px-1.5 gap-2 flex flex-row items-center hover:not-disabled:bg-v2-overlay-simple-overlay-hover rounded-[4px]"
+                    disabled={!healthy()}
+                    onClick={() => setOpen((o) => !o)}
+                  >
+                    <div class="size-4 flex items-center justify-center">
+                      <ServerHealthIndicator health={servers.health[key]} />
+                    </div>
+                    <div class="flex flex-row items-center gap-1">
+                      <span>{server.displayName ?? new URL(server.http.url).host}</span>
+                      <Show when={healthy()}>
+                        <IconV2
+                          name="outline-chevron-down"
+                          class="text-v2-icon-icon-muted data-[open=false]:-rotate-90"
+                          data-open={open()}
+                        />
+                      </Show>
+                    </div>
+                  </button>
+                  <IconButtonV2
+                    class="absolute right-1 inset-y-1 opacity-0 group-hover:opacity-100"
+                    name="out"
+                    variant="ghost-muted"
+                    size="small"
+                    icon={<IconV2 name="outline-dots" class="text-v2-icon-icon-muted" />}
+                  />
+                </div>
+                <Show when={healthy() && open()}>
+                  <div class="h-px bg-v2-border-border-base mx-3 my-1" />
+                  <ProjectList
+                    projects={projects()}
+                    selectedProject={props.selectedProject}
+                    onSelectedProjectChange={props.selectProject}
+                    onChooseProject={props.chooseProject}
+                    openNewSession={props.openNewSession}
+                    editProject={props.editProject}
+                    closeProject={props.closeProject}
+                    clearNotifications={props.clearNotifications}
+                    unseenCount={props.unseenCount}
+                    language={props.language}
+                  />
+                </Show>
               </div>
-              <Show when={healthy() && open()}>
-                <div class="h-px bg-v2-border-border-base mx-3 my-1" />
-                <ProjectList
-                  projects={projects()}
-                  selectedProject={props.selectedProject}
-                  onSelectedProjectChange={props.selectProject}
-                  onChooseProject={props.chooseProject}
-                  openNewSession={props.openNewSession}
-                  editProject={props.editProject}
-                  closeProject={props.closeProject}
-                  clearNotifications={props.clearNotifications}
-                  unseenCount={props.unseenCount}
-                  language={props.language}
-                />
-              </Show>
-            </div>
-          )
-        }}
-      </For>
-      <div class="mt-4 flex min-w-0 flex-col gap-1">
+            )
+          }}
+        </For>
+      </Show>
+      <div class="flex min-w-0 flex-col gap-1">
         <button
           type="button"
           class={`${HOME_PROJECT_NAV_ROW} text-v2-text-text-faint [&>[data-slot=icon-svg]]:text-v2-icon-icon-muted`}
@@ -416,12 +420,14 @@ function HomeProjectRow(props: {
   language: ReturnType<typeof useLanguage>
 }) {
   const name = createMemo(() => displayName(props.project))
+  const [menuOpen, setMenuOpen] = createSignal(false)
+
   return (
-    <div class="group/project relative flex h-8 min-w-0 items-center rounded-[6px] hover:bg-v2-overlay-simple-overlay-hover focus-within:bg-v2-overlay-simple-overlay-hover">
+    <div class="group/project relative flex h-8 min-w-0 items-center rounded-[6px]">
       <button
         type="button"
         data-component="home-project-row"
-        class={`${HOME_PROJECT_NAV_ROW} pr-16`}
+        class={`${HOME_PROJECT_NAV_ROW} pr-16 peer`}
         classList={{ "bg-v2-overlay-simple-overlay-hover": props.selected }}
         data-selected={props.selected ? "" : undefined}
         aria-current={props.selected ? "page" : undefined}
@@ -430,7 +436,37 @@ function HomeProjectRow(props: {
         <HomeProjectAvatar project={props.project} />
         <span>{name()}</span>
       </button>
-      <div class="absolute right-1 top-1/2 flex -translate-y-1/2 items-center gap-0.5 opacity-0 transition-opacity group-hover/project:opacity-100 group-focus-within/project:opacity-100">
+      <div
+        class="absolute right-1 top-1/2 flex -translate-y-1/2 items-center gap-0.5 opacity-0 transition-opacity group-hover/project:opacity-100 peer-focus-visible:opacity-100 focus-within:opacity-100 data-[menu=true]:opacity-100"
+        data-menu={menuOpen()}
+      >
+        <MenuV2 gutter={4} modal={false} placement="bottom-end" open={menuOpen()} onOpenChange={setMenuOpen}>
+          <MenuV2.Trigger
+            as={IconButtonV2}
+            data-action="home-project-menu"
+            variant="ghost-muted"
+            size="small"
+            icon={<IconV2 name="outline-dots" />}
+            aria-label={props.language.t("common.moreOptions")}
+          />
+          <MenuV2.Portal>
+            <MenuV2.Content>
+              <MenuV2.Item onSelect={() => props.openNewSession(props.project.worktree)}>
+                {props.language.t("command.session.new")}
+              </MenuV2.Item>
+              <MenuV2.Item onSelect={() => props.editProject(props.project)}>
+                {props.language.t("common.edit")}
+              </MenuV2.Item>
+              <MenuV2.Item disabled={props.unseenCount === 0} onSelect={() => props.clearNotifications(props.project)}>
+                {props.language.t("sidebar.project.clearNotifications")}
+              </MenuV2.Item>
+              <MenuV2.Separator />
+              <MenuV2.Item onSelect={() => props.closeProject(props.project.worktree)}>
+                {props.language.t("common.close")}
+              </MenuV2.Item>
+            </MenuV2.Content>
+          </MenuV2.Portal>
+        </MenuV2>
         <IconButtonV2
           data-action="home-project-new-session"
           variant="ghost-muted"
@@ -442,37 +478,6 @@ function HomeProjectRow(props: {
             props.openNewSession(props.project.worktree)
           }}
         />
-        <MenuV2 gutter={4} modal={false} placement="bottom-end">
-          <MenuV2.Trigger
-            as={IconButtonV2}
-            data-action="home-project-menu"
-            variant="ghost-muted"
-            size="small"
-            icon={<IconV2 name="menu" />}
-            aria-label={props.language.t("common.moreOptions")}
-          />
-          <MenuV2.Portal>
-            <MenuV2.Content>
-              <MenuV2.Item onSelect={() => props.openNewSession(props.project.worktree)}>
-                <Icon name="new-session" size="small" />
-                {props.language.t("command.session.new")}
-              </MenuV2.Item>
-              <MenuV2.Item onSelect={() => props.editProject(props.project)}>
-                <Icon name="edit" size="small" />
-                {props.language.t("common.edit")}
-              </MenuV2.Item>
-              <MenuV2.Item disabled={props.unseenCount === 0} onSelect={() => props.clearNotifications(props.project)}>
-                <Icon name="circle-check" size="small" />
-                {props.language.t("sidebar.project.clearNotifications")}
-              </MenuV2.Item>
-              <MenuV2.Separator />
-              <MenuV2.Item onSelect={() => props.closeProject(props.project.worktree)}>
-                <Icon name="close" size="small" />
-                {props.language.t("common.close")}
-              </MenuV2.Item>
-            </MenuV2.Content>
-          </MenuV2.Portal>
-        </MenuV2>
       </div>
     </div>
   )
@@ -561,7 +566,7 @@ function HomeSessionGroupHeader(props: { title: string; onNewSession?: () => voi
             variant="ghost"
             size="normal"
             icon="edit"
-            class="h-7 px-2 text-v2-text-text-muted [font-weight:530]"
+            class="h-7 px-2 text-v2-text-text-muted"
             onClick={onNewSession()}
           >
             {language.t("command.session.new")}

packages/app/src/pages/layout.tsx

@@ -89,8 +89,6 @@ import {
 import { ProjectDragOverlay, SortableProject, type ProjectSidebarContext } from "./layout/sidebar-project"
 import { SidebarContent } from "./layout/sidebar-shell"
 
-const USE_NEW_DESIGN = import.meta.env.VITE_OPENCODE_CHANNEL !== "prod"
-
 export default function Layout(props: ParentProps) {
   const [store, setStore, , ready] = persisted(
     Persist.global("layout.page", ["layout.page.v1"]),
@@ -129,6 +127,7 @@ export default function Layout(props: ParentProps) {
   const command = useCommand()
   const theme = useTheme()
   const language = useLanguage()
+  const newDesign = createMemo(() => settings.general.newLayoutDesigns())
   const initialDirectory = decode64(params.dir)
   const location = useLocation()
   const route = createMemo(() => {
@@ -154,7 +153,7 @@ export default function Layout(props: ParentProps) {
   const currentDir = createMemo(() => route().dir)
 
   const [state, setState] = createStore({
-    autoselect: !initialDirectory && !USE_NEW_DESIGN,
+    autoselect: !initialDirectory && !newDesign(),
     busyWorkspaces: {} as Record<string, boolean>,
     hoverProject: undefined as string | undefined,
     scrollSessionKey: undefined as string | undefined,
@@ -1142,7 +1141,7 @@ export default function Layout(props: ParentProps) {
       },
     ]
 
-    if (!USE_NEW_DESIGN)
+    if (!newDesign())
       Array.from({ length: 9 }, (_, i) => {
         const index = i
         const number = index + 1
@@ -1821,7 +1820,7 @@ export default function Layout(props: ParentProps) {
   createEffect(() => {
     document.documentElement.style.setProperty(
       "--dialog-left-margin",
-      USE_NEW_DESIGN ? "0px" : `${layout.sidebar.opened() ? layout.sidebar.width() : 48}px`,
+      newDesign() ? "0px" : `${layout.sidebar.opened() ? layout.sidebar.width() : 48}px`,
     )
   })
 
@@ -2363,179 +2362,180 @@ export default function Layout(props: ParentProps) {
     />
   )
 
-  if (USE_NEW_DESIGN) {
-    return (
-      <div class="relative bg-v2-background-bg-deep flex-1 min-h-0 min-w-0 flex flex-col select-none [&_input]:select-text [&_textarea]:select-text [&_[contenteditable]]:select-text">
+  return (
+    <Show
+      when={!newDesign()}
+      fallback={
+        <div class="relative bg-v2-background-bg-deep flex-1 min-h-0 min-w-0 flex flex-col select-none [&_input]:select-text [&_textarea]:select-text [&_[contenteditable]]:select-text">
+          {autoselecting() ?? ""}
+          <Titlebar update={titlebarUpdate} />
+          <main
+            class="flex-1 min-h-0 min-w-0 overflow-x-hidden flex flex-col items-start contain-strict bg-v2-background-bg-base"
+            classList={{
+              "m-2 mt-0 rounded-[10px] shadow-[var(--v2-elevation-raised)] overflow-hidden": !!params.id || !params.dir,
+            }}
+          >
+            <Show when={!autoselecting.loading} fallback={<div class="size-full" />}>
+              {props.children}
+            </Show>
+          </main>
+          {import.meta.env.DEV && <DebugBar />}
+          <Toast.Region />
+        </div>
+      }
+    >
+      <div class="relative bg-background-base flex-1 min-h-0 min-w-0 flex flex-col select-none [&_input]:select-text [&_textarea]:select-text [&_[contenteditable]]:select-text">
         {autoselecting() ?? ""}
         <Titlebar update={titlebarUpdate} />
-        <main
-          class="flex-1 min-h-0 min-w-0 overflow-x-hidden flex flex-col items-start contain-strict bg-v2-background-bg-base"
-          classList={{
-            "m-2 mt-0 rounded-[10px] shadow-[var(--v2-elevation-raised)] overflow-hidden": !!params.id || !params.dir,
-          }}
-        >
-          <Show when={!autoselecting.loading} fallback={<div class="size-full" />}>
-            {props.children}
-          </Show>
-        </main>
-        {import.meta.env.DEV && <DebugBar />}
-        <Toast.Region />
-      </div>
-    )
-  }
-
-  return (
-    <div class="relative bg-background-base flex-1 min-h-0 min-w-0 flex flex-col select-none [&_input]:select-text [&_textarea]:select-text [&_[contenteditable]]:select-text">
-      {autoselecting() ?? ""}
-      <Titlebar update={titlebarUpdate} />
-      <Show when={updateVersion() !== undefined}>
-        <UpdateAvailableToast version={updateVersion() ?? ""} install={installUpdate} language={language} />
-      </Show>
-      <div class="flex-1 min-h-0 min-w-0 flex">
-        <div class="flex-1 min-h-0 relative">
-          <div class="size-full relative overflow-x-hidden">
-            <nav
-              aria-label={language.t("sidebar.nav.projectsAndSessions")}
-              data-component="sidebar-nav-desktop"
-              classList={{
-                "hidden xl:block": true,
-                "absolute inset-y-0 left-0": true,
-                "z-10": true,
-              }}
-              style={{ width: `${side()}px` }}
-              ref={(el) => {
-                setState("nav", el)
-              }}
-              onMouseEnter={() => {
-                disarm()
-              }}
-              onMouseLeave={() => {
-                aim.reset()
-                if (!sidebarHovering()) return
-
-                arm()
-              }}
-            >
-              <div class="@container w-full h-full contain-strict">{sidebarContent()}</div>
-            </nav>
-
-            <Show when={layout.sidebar.opened()}>
-              <div
-                class="hidden xl:block absolute inset-y-0 z-30 w-0 overflow-visible"
-                style={{ left: `${side()}px` }}
-                onPointerDown={() => setState("sizing", true)}
-              >
-                <ResizeHandle
-                  direction="horizontal"
-                  size={layout.sidebar.width()}
-                  min={244}
-                  max={typeof window === "undefined" ? 1000 : window.innerWidth * 0.3 + 64}
-                  onResize={(w) => {
-                    setState("sizing", true)
-                    if (sizet !== undefined) clearTimeout(sizet)
-                    sizet = window.setTimeout(() => setState("sizing", false), 120)
-                    layout.sidebar.resize(w)
-                  }}
-                />
-              </div>
-            </Show>
-
-            <div
-              class="hidden xl:block pointer-events-none absolute top-0 right-0 z-0 border-t border-border-weaker-base"
-              style={{ left: "calc(4rem + 12px)" }}
-            />
-
-            <div class="xl:hidden">
-              <div
-                classList={{
-                  "fixed inset-x-0 top-10 bottom-0 z-40 transition-opacity duration-200": true,
-                  "opacity-100 pointer-events-auto": layout.mobileSidebar.opened(),
-                  "opacity-0 pointer-events-none": !layout.mobileSidebar.opened(),
-                }}
-                onClick={(e) => {
-                  if (e.target === e.currentTarget) layout.mobileSidebar.hide()
-                }}
-              />
+        <Show when={updateVersion() !== undefined}>
+          <UpdateAvailableToast version={updateVersion() ?? ""} install={installUpdate} language={language} />
+        </Show>
+        <div class="flex-1 min-h-0 min-w-0 flex">
+          <div class="flex-1 min-h-0 relative">
+            <div class="size-full relative overflow-x-hidden">
               <nav
                 aria-label={language.t("sidebar.nav.projectsAndSessions")}
-                data-component="sidebar-nav-mobile"
+                data-component="sidebar-nav-desktop"
                 classList={{
-                  "@container fixed top-10 bottom-0 left-0 z-50 w-full max-w-[400px] overflow-hidden border-r border-border-weaker-base bg-background-base transition-transform duration-200 ease-out": true,
-                  "translate-x-0": layout.mobileSidebar.opened(),
-                  "-translate-x-full": !layout.mobileSidebar.opened(),
+                  "hidden xl:block": true,
+                  "absolute inset-y-0 left-0": true,
+                  "z-10": true,
+                }}
+                style={{ width: `${side()}px` }}
+                ref={(el) => {
+                  setState("nav", el)
+                }}
+                onMouseEnter={() => {
+                  disarm()
+                }}
+                onMouseLeave={() => {
+                  aim.reset()
+                  if (!sidebarHovering()) return
+
+                  arm()
                 }}
-                onClick={(e) => e.stopPropagation()}
               >
-                {sidebarContent(true)}
+                <div class="@container w-full h-full contain-strict">{sidebarContent()}</div>
               </nav>
-            </div>
 
-            <div
-              classList={{
-                "absolute inset-0": true,
-                "xl:inset-y-0 xl:right-0 xl:left-[var(--main-left)]": true,
-                "z-20": true,
-                "transition-[left] duration-200 ease-[cubic-bezier(0.22,1,0.36,1)] will-change-[left] motion-reduce:transition-none":
-                  !state.sizing,
-              }}
-              style={{
-                "--main-left": layout.sidebar.opened() ? `${side()}px` : "4rem",
-              }}
-            >
-              <main
+              <Show when={layout.sidebar.opened()}>
+                <div
+                  class="hidden xl:block absolute inset-y-0 z-30 w-0 overflow-visible"
+                  style={{ left: `${side()}px` }}
+                  onPointerDown={() => setState("sizing", true)}
+                >
+                  <ResizeHandle
+                    direction="horizontal"
+                    size={layout.sidebar.width()}
+                    min={244}
+                    max={typeof window === "undefined" ? 1000 : window.innerWidth * 0.3 + 64}
+                    onResize={(w) => {
+                      setState("sizing", true)
+                      if (sizet !== undefined) clearTimeout(sizet)
+                      sizet = window.setTimeout(() => setState("sizing", false), 120)
+                      layout.sidebar.resize(w)
+                    }}
+                  />
+                </div>
+              </Show>
+
+              <div
+                class="hidden xl:block pointer-events-none absolute top-0 right-0 z-0 border-t border-border-weaker-base"
+                style={{ left: "calc(4rem + 12px)" }}
+              />
+
+              <div class="xl:hidden">
+                <div
+                  classList={{
+                    "fixed inset-x-0 top-10 bottom-0 z-40 transition-opacity duration-200": true,
+                    "opacity-100 pointer-events-auto": layout.mobileSidebar.opened(),
+                    "opacity-0 pointer-events-none": !layout.mobileSidebar.opened(),
+                  }}
+                  onClick={(e) => {
+                    if (e.target === e.currentTarget) layout.mobileSidebar.hide()
+                  }}
+                />
+                <nav
+                  aria-label={language.t("sidebar.nav.projectsAndSessions")}
+                  data-component="sidebar-nav-mobile"
+                  classList={{
+                    "@container fixed top-10 bottom-0 left-0 z-50 w-full max-w-[400px] overflow-hidden border-r border-border-weaker-base bg-background-base transition-transform duration-200 ease-out": true,
+                    "translate-x-0": layout.mobileSidebar.opened(),
+                    "-translate-x-full": !layout.mobileSidebar.opened(),
+                  }}
+                  onClick={(e) => e.stopPropagation()}
+                >
+                  {sidebarContent(true)}
+                </nav>
+              </div>
+
+              <div
                 classList={{
-                  "size-full overflow-x-hidden flex flex-col items-start contain-strict border-t border-border-weak-base bg-background-base xl:border-l xl:rounded-tl-[12px]": true,
+                  "absolute inset-0": true,
+                  "xl:inset-y-0 xl:right-0 xl:left-[var(--main-left)]": true,
+                  "z-20": true,
+                  "transition-[left] duration-200 ease-[cubic-bezier(0.22,1,0.36,1)] will-change-[left] motion-reduce:transition-none":
+                    !state.sizing,
+                }}
+                style={{
+                  "--main-left": layout.sidebar.opened() ? `${side()}px` : "4rem",
                 }}
               >
-                <Show when={!autoselecting.loading} fallback={<div class="size-full" />}>
-                  {props.children}
+                <main
+                  classList={{
+                    "size-full overflow-x-hidden flex flex-col items-start contain-strict border-t border-border-weak-base bg-background-base xl:border-l xl:rounded-tl-[12px]": true,
+                  }}
+                >
+                  <Show when={!autoselecting.loading} fallback={<div class="size-full" />}>
+                    {props.children}
+                  </Show>
+                </main>
+              </div>
+
+              <div
+                classList={{
+                  "hidden xl:flex absolute inset-y-0 left-16 z-30": true,
+                  "opacity-100 translate-x-0 pointer-events-auto": state.peeked && !layout.sidebar.opened(),
+                  "opacity-0 -translate-x-2 pointer-events-none": !state.peeked || layout.sidebar.opened(),
+                  "transition-[opacity,transform] motion-reduce:transition-none": true,
+                  "duration-180 ease-out": state.peeked && !layout.sidebar.opened(),
+                  "duration-120 ease-in": !state.peeked || layout.sidebar.opened(),
+                }}
+                onMouseMove={disarm}
+                onMouseEnter={() => {
+                  disarm()
+                  aim.reset()
+                }}
+                onPointerDown={disarm}
+                onMouseLeave={() => {
+                  arm()
+                }}
+              >
+                <Show when={peekProject()}>
+                  <SidebarPanel project={peekProject} merged={false} />
                 </Show>
-              </main>
-            </div>
+              </div>
 
-            <div
-              classList={{
-                "hidden xl:flex absolute inset-y-0 left-16 z-30": true,
-                "opacity-100 translate-x-0 pointer-events-auto": state.peeked && !layout.sidebar.opened(),
-                "opacity-0 -translate-x-2 pointer-events-none": !state.peeked || layout.sidebar.opened(),
-                "transition-[opacity,transform] motion-reduce:transition-none": true,
-                "duration-180 ease-out": state.peeked && !layout.sidebar.opened(),
-                "duration-120 ease-in": !state.peeked || layout.sidebar.opened(),
-              }}
-              onMouseMove={disarm}
-              onMouseEnter={() => {
-                disarm()
-                aim.reset()
-              }}
-              onPointerDown={disarm}
-              onMouseLeave={() => {
-                arm()
-              }}
-            >
-              <Show when={peekProject()}>
-                <SidebarPanel project={peekProject} merged={false} />
-              </Show>
-            </div>
-
-            <div
-              classList={{
-                "hidden xl:block pointer-events-none absolute inset-y-0 right-0 z-25 overflow-hidden": true,
-                "opacity-100 translate-x-0": state.peeked && !layout.sidebar.opened(),
-                "opacity-0 -translate-x-2": !state.peeked || layout.sidebar.opened(),
-                "transition-[opacity,transform] motion-reduce:transition-none": true,
-                "duration-180 ease-out": state.peeked && !layout.sidebar.opened(),
-                "duration-120 ease-in": !state.peeked || layout.sidebar.opened(),
-              }}
-              style={{ left: `calc(4rem + ${panel()}px)` }}
-            >
-              <div class="h-full w-px" style={{ "box-shadow": "var(--shadow-sidebar-overlay)" }} />
+              <div
+                classList={{
+                  "hidden xl:block pointer-events-none absolute inset-y-0 right-0 z-25 overflow-hidden": true,
+                  "opacity-100 translate-x-0": state.peeked && !layout.sidebar.opened(),
+                  "opacity-0 -translate-x-2": !state.peeked || layout.sidebar.opened(),
+                  "transition-[opacity,transform] motion-reduce:transition-none": true,
+                  "duration-180 ease-out": state.peeked && !layout.sidebar.opened(),
+                  "duration-120 ease-in": !state.peeked || layout.sidebar.opened(),
+                }}
+                style={{ left: `calc(4rem + ${panel()}px)` }}
+              >
+                <div class="h-full w-px" style={{ "box-shadow": "var(--shadow-sidebar-overlay)" }} />
+              </div>
             </div>
           </div>
+          {import.meta.env.DEV && <DebugBar />}
         </div>
-        {import.meta.env.DEV && <DebugBar />}
+        <Toast.Region />
       </div>
-      <Toast.Region />
-    </div>
+    </Show>
   )
 }
 

packages/app/src/pages/session.tsx

@@ -75,7 +75,6 @@ const emptyFollowups: FollowupItem[] = []
 
 type ChangeMode = "git" | "branch" | "turn"
 type VcsMode = "git" | "branch"
-const USE_NEW_SESSION_DESIGN = import.meta.env.VITE_OPENCODE_CHANNEL !== "prod"
 
 type SessionHistoryWindowInput = {
   sessionID: () => string | undefined
@@ -198,6 +197,7 @@ export default function Page() {
   const [searchParams, setSearchParams] = useSearchParams<{ prompt?: string }>()
   const location = useLocation()
   const { params, sessionKey, tabs, view } = useSessionLayout()
+  const newSessionDesign = createMemo(() => settings.general.newLayoutDesigns())
 
   createEffect(() => {
     if (!prompt.ready()) return
@@ -265,7 +265,7 @@ export default function Page() {
   const isDesktop = createMediaQuery("(min-width: 768px)")
   const size = createSizing()
   const isV2NewSessionPage = () =>
-    shouldUseV2NewSessionPage({ channel: import.meta.env.VITE_OPENCODE_CHANNEL, sessionID: params.id })
+    shouldUseV2NewSessionPage({ newLayoutDesigns: newSessionDesign(), sessionID: params.id })
   const desktopReviewOpen = createMemo(() => isDesktop() && view().reviewPanel.opened() && !isV2NewSessionPage())
   const desktopFileTreeOpen = createMemo(() => isDesktop() && layout.fileTree.opened() && !isV2NewSessionPage())
   const desktopSidePanelOpen = createMemo(() => desktopReviewOpen() || desktopFileTreeOpen())
@@ -1798,14 +1798,14 @@ export default function Page() {
                 </Show>
               </Match>
               <Match when={true}>
-                <Show when={USE_NEW_SESSION_DESIGN} fallback={<NewSessionView worktree={newSessionWorktree()} />}>
+                <Show when={newSessionDesign()} fallback={<NewSessionView worktree={newSessionWorktree()} />}>
                   <NewSessionDesignView>{composerRegion("inline")}</NewSessionDesignView>
                 </Show>
               </Match>
             </Switch>
           </div>
 
-          <Show when={params.id || !USE_NEW_SESSION_DESIGN}>{composerRegion("dock")}</Show>
+          <Show when={params.id || !newSessionDesign()}>{composerRegion("dock")}</Show>
 
           <Show when={desktopReviewOpen()}>
             <div onPointerDown={() => size.start()}>

packages/app/src/pages/session/new-session-layout.test.ts

@@ -2,13 +2,13 @@ import { describe, expect, test } from "bun:test"
 import { shouldUseV2NewSessionPage } from "./new-session-layout"
 
 describe("shouldUseV2NewSessionPage", () => {
-  test("keeps prod session pages on the legacy layout", () => {
-    expect(shouldUseV2NewSessionPage({ channel: "prod", sessionID: "ses_123" })).toBe(false)
-    expect(shouldUseV2NewSessionPage({ channel: "prod" })).toBe(false)
+  test("keeps disabled pages on the legacy layout", () => {
+    expect(shouldUseV2NewSessionPage({ newLayoutDesigns: false, sessionID: "ses_123" })).toBe(false)
+    expect(shouldUseV2NewSessionPage({ newLayoutDesigns: false })).toBe(false)
   })
 
-  test("uses the v2 layout only for non-prod new-session pages", () => {
-    expect(shouldUseV2NewSessionPage({ channel: "dev" })).toBe(true)
-    expect(shouldUseV2NewSessionPage({ channel: "dev", sessionID: "ses_123" })).toBe(false)
+  test("uses the v2 layout only for enabled new-session pages", () => {
+    expect(shouldUseV2NewSessionPage({ newLayoutDesigns: true })).toBe(true)
+    expect(shouldUseV2NewSessionPage({ newLayoutDesigns: true, sessionID: "ses_123" })).toBe(false)
   })
 })

packages/app/src/pages/session/new-session-layout.ts

@@ -1,3 +1,3 @@
-export function shouldUseV2NewSessionPage(input: { channel?: "dev" | "beta" | "prod"; sessionID?: string }) {
-  return input.channel !== "prod" && !input.sessionID
+export function shouldUseV2NewSessionPage(input: { newLayoutDesigns: boolean; sessionID?: string }) {
+  return input.newLayoutDesigns && !input.sessionID
 }

packages/app/src/pages/session/session-side-panel.tsx

@@ -28,8 +28,6 @@ import { createOpenSessionFileTab, createSessionTabs, getTabReorderIndex, type S
 import { setSessionHandoff } from "@/pages/session/handoff"
 import { useSessionLayout } from "@/pages/session/session-layout"
 
-const USE_DESKTOP_V2 = import.meta.env.VITE_OPENCODE_CHANNEL !== "prod"
-
 type RenderDiff = (SnapshotFileDiff & { file: string }) | VcsFileDiff
 
 function renderDiff(value: SnapshotFileDiff | VcsFileDiff): value is RenderDiff {
@@ -60,7 +58,7 @@ export function SessionSidePanel(props: {
   const { sessionKey, tabs, view, params } = useSessionLayout()
 
   const isDesktop = createMediaQuery("(min-width: 768px)")
-  const desktopV2 = () => platform.platform === "desktop" && USE_DESKTOP_V2
+  const desktopV2 = () => platform.platform === "desktop" && settings.general.newLayoutDesigns()
   const shown = createMemo(() => (desktopV2() ? settings.general.showFileTree() : true))
 
   const reviewOpen = createMemo(() => isDesktop() && view().reviewPanel.opened())
@@ -205,7 +203,7 @@ export function SessionSidePanel(props: {
   })
 
   return (
-    <Show when={isDesktop() && !(import.meta.env.VITE_OPENCODE_CHANNEL !== "prod" && !params.id)}>
+    <Show when={isDesktop() && !(settings.general.newLayoutDesigns() && !params.id)}>
       <aside
         id="review-panel"
         aria-label={language.t("session.panel.reviewAndFiles")}

packages/app/src/pages/session/use-session-commands.tsx

@@ -20,8 +20,6 @@ import { extractPromptFromParts } from "@/utils/prompt"
 import { UserMessage } from "@opencode-ai/sdk/v2"
 import { useSessionLayout } from "@/pages/session/session-layout"
 
-const USE_DESKTOP_V2 = import.meta.env.VITE_OPENCODE_CHANNEL !== "prod"
-
 export type SessionCommandContext = {
   navigateMessageByOffset: (offset: number) => void
   setActiveMessage: (message: UserMessage | undefined) => void
@@ -72,7 +70,7 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
   })
   const activeFileTab = tabState.activeFileTab
   const closableTab = tabState.closableTab
-  const desktopV2 = () => platform.platform === "desktop" && USE_DESKTOP_V2
+  const desktopV2 = () => platform.platform === "desktop" && settings.general.newLayoutDesigns()
   const shown = () => (desktopV2() ? settings.general.showFileTree() : true)
 
   const messages = () => {

packages/console/app/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode-ai/console-app",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "type": "module",
   "license": "MIT",
   "scripts": {

packages/console/app/src/component/go-referral.tsx

@@ -2,6 +2,7 @@ import { action, json, query, useAction, useSubmission } from "@solidjs/router"
 import { createEffect, createMemo, createSignal, For, onCleanup, Show } from "solid-js"
 import { getRequestEvent } from "solid-js/web"
 import { Referral } from "@opencode-ai/console-core/referral.js"
+import { Actor } from "@opencode-ai/console-core/actor.js"
 import { withActor } from "~/context/auth.withActor"
 import { Modal } from "~/component/modal"
 import { IconCheck, IconCopy } from "~/component/icon"
@@ -9,6 +10,7 @@ import { useI18n } from "~/context/i18n"
 import { useLanguage } from "~/context/language"
 import { formatResetTime, liteResetTimeKeys } from "~/lib/format-reset-time"
 import { queryLiteSubscription } from "~/routes/workspace/[id]/go/lite-section"
+import { clearReferralCookie, referralCodeFromCookieHeader } from "~/lib/referral-invite"
 import "./go-referral.css"
 
 type GoReferralSummary = Awaited<ReturnType<typeof Referral.summary>>
@@ -25,7 +27,21 @@ const emptyUsagePreview = {
 
 export const queryGoReferral = query(async (workspaceID: string) => {
   "use server"
-  return withActor(() => Referral.summary(), workspaceID)
+  return withActor(async () => {
+    const event = getRequestEvent()
+    const referralCode = referralCodeFromCookieHeader(event?.request.headers.get("cookie") ?? null)
+    if (referralCode) {
+      await Referral.createFromAccount({
+        accountID: Actor.account(),
+        referralCode,
+      }).catch((error) => {
+        console.error("Referral create failed", error)
+      })
+      event?.response.headers.append("set-cookie", clearReferralCookie())
+    }
+
+    return Referral.summary()
+  }, workspaceID)
 }, "go.referral.get")
 
 export const queryGoReferralUsagePreview = query(async (workspaceID: string, referralID?: string) => {
@@ -65,6 +81,8 @@ function rewardDescriptionKey(source: GoReferralReward["source"]) {
 
 function rewardActionKey(reward: GoReferralReward, hasActiveGo: boolean) {
   if (reward.status === "applied") return "workspace.referral.reward.action.applied" as const
+  if (reward.status === "pending" && reward.source === "inviter")
+    return "workspace.referral.reward.source.pendingInviter" as const
   if (reward.status === "pending" || !hasActiveGo) return "workspace.referral.reward.action.subscribeUnlock" as const
   return "workspace.referral.reward.action.view" as const
 }

packages/console/app/src/routes/auth/[...callback].ts

@@ -1,11 +1,9 @@
 import { redirect } from "@solidjs/router"
 import type { APIEvent } from "@solidjs/start/server"
-import { Referral } from "@opencode-ai/console-core/referral.js"
 import { AuthClient } from "~/context/auth"
 import { useAuthSession } from "~/context/auth"
 import { i18n } from "~/i18n"
 import { localeFromRequest, route } from "~/lib/language"
-import { clearReferralCookie, referralCodeFromCookieHeader } from "~/lib/referral-invite"
 
 export async function GET(input: APIEvent) {
   const url = new URL(input.request.url)
@@ -19,7 +17,6 @@ export async function GET(input: APIEvent) {
     if (result.err) throw new Error(result.err.message)
     const decoded = AuthClient.decode(result.tokens.access, {} as any)
     if (decoded.err) throw new Error(decoded.err.message)
-    const referralCode = referralCodeFromCookieHeader(input.request.headers.get("cookie"))
     const session = await useAuthSession()
     const id = decoded.subject.properties.accountID
     await session.update((value) => {
@@ -35,15 +32,8 @@ export async function GET(input: APIEvent) {
         current: id,
       }
     })
-    if (decoded.subject.properties.newAccount && referralCode) {
-      await Referral.createFromAccount({ accountID: id, referralCode }).catch((error) => {
-        console.error("Referral create failed", error)
-      })
-    }
     const next = url.pathname === "/auth/callback" ? "/auth" : url.pathname.replace("/auth/callback", "")
-    const response = redirect(route(locale, next))
-    if (referralCode) response.headers.append("set-cookie", clearReferralCookie())
-    return response
+    return redirect(route(locale, next))
   } catch (e: any) {
     return new Response(
       JSON.stringify({

packages/console/app/src/routes/go/index.tsx

@@ -64,11 +64,12 @@ function LimitsGraph(props: { href: string }) {
     { id: "glm-5.1", name: "GLM-5.1", req: 880, d: "100ms" },
     { id: "qwen3.7-max", name: "Qwen3.7 Max", req: 950, d: "280ms" },
     { id: "kimi-k2.6", name: "Kimi K2.6", req: 1150, d: "150ms" },
-    { id: "mimo-v2.5-pro", name: "MiMo-V2.5-Pro", req: 1290, d: "150ms" },
+    { id: "mimo-v2.5-pro", name: "MiMo-V2.5-Pro", req: 3250, d: "150ms" },
     { id: "qwen3.6-plus", name: "Qwen3.6 Plus", req: 3300, d: "280ms" },
     { id: "minimax-m2.7", name: "MiniMax M2.7", req: 3400, d: "300ms" },
     { id: "deepseek-v4-pro", name: "DeepSeek V4 Pro", req: 3450, d: "200ms" },
     { id: "qwen3.5-plus", name: "Qwen3.5 Plus", req: 10200, d: "360ms" },
+    { id: "mimo-v2.5", name: "MiMo-V2.5", req: 30100, d: "340ms" },
     { id: "deepseek-v4-flash", name: "DeepSeek V4 Flash", req: 31650, d: "340ms" },
   ]
 

packages/console/app/src/routes/workspace/[id]/keys/key-section.tsx

@@ -4,7 +4,6 @@ import { IconCopy, IconCheck } from "~/component/icon"
 import { Key } from "@opencode-ai/console-core/key.js"
 import { withActor } from "~/context/auth.withActor"
 import { createStore } from "solid-js/store"
-import { formatDateUTC, formatDateForTable } from "../../common"
 import styles from "./key-section.module.css"
 import { Actor } from "@opencode-ai/console-core/actor.js"
 import { useI18n } from "~/context/i18n"
@@ -124,7 +123,6 @@ export function KeySection() {
                 <th>{i18n.t("workspace.keys.table.name")}</th>
                 <th>{i18n.t("workspace.keys.table.key")}</th>
                 <th>{i18n.t("workspace.keys.table.createdBy")}</th>
-                <th>{i18n.t("workspace.keys.table.lastUsed")}</th>
                 <th></th>
               </tr>
             </thead>
@@ -156,9 +154,6 @@ export function KeySection() {
                         </Show>
                       </td>
                       <td data-slot="key-user-email">{key.email}</td>
-                      <td data-slot="key-last-used" title={key.timeUsed ? formatDateUTC(key.timeUsed) : undefined}>
-                        {key.timeUsed ? formatDateForTable(key.timeUsed) : "-"}
-                      </td>
                       <td data-slot="key-actions">
                         <form action={removeKey} method="post">
                           <input type="hidden" name="id" value={key.id} />

packages/console/app/src/routes/zen/util/handler.ts

@@ -506,7 +506,6 @@ export async function handler(
       if (retry.retryCount !== MAX_FAILOVER_RETRIES) {
         let topPriority = Infinity
         const providers = allProviders
-          .filter((provider) => !provider.disabled)
           .filter((provider) => provider.weight !== 0)
           .filter((provider) => !retry.excludeProviders.includes(provider.id))
           .filter((provider) => {
@@ -990,10 +989,6 @@ export async function handler(
             return undefined
           })(),
         }),
-        db
-          .update(KeyTable)
-          .set({ timeUsed: sql`now()` })
-          .where(and(eq(KeyTable.workspaceID, authInfo.workspaceID), eq(KeyTable.id, authInfo.apiKeyId))),
         ...(() => {
           if (billingSource === "subscription") {
             const plan = authInfo.billing.subscription!.plan

packages/console/app/src/routes/zen/util/ipRateLimiter.ts

@@ -1,5 +1,3 @@
-import { Database, eq, and, sql, inArray } from "@opencode-ai/console-core/drizzle/index.js"
-import { IpRateLimitTable } from "@opencode-ai/console-core/schema/ip.sql.js"
 import { FreeUsageLimitError } from "./error"
 import { logger } from "./logger"
 import { buildRateLimitKey, getRedis } from "./redis"
@@ -22,7 +20,6 @@ export function createRateLimiter(modelId: string, rateLimit: number | undefined
 
   const ip = !rawIp.length ? "unknown" : rawIp
   const now = Date.now()
-  const lifetimeInterval = ""
   const dailyInterval = rateLimit ? `${buildYYYYMMDD(now)}${modelId.substring(0, 2)}` : buildYYYYMMDD(now)
   const retryAfter = getRetryAfterDay(now)
   const redis = getRedis()
@@ -32,33 +29,12 @@ export function createRateLimiter(modelId: string, rateLimit: number | undefined
 
   return {
     check: async () => {
-      const [counts, rows] = await Promise.all([
-        redis.mget<(string | number | null)[]>(isDefaultModel ? [lifetimeKey, dailyKey] : [dailyKey]).catch(() => []),
-        Database.use((tx) =>
-          tx
-            .select({ interval: IpRateLimitTable.interval, count: IpRateLimitTable.count })
-            .from(IpRateLimitTable)
-            .where(
-              and(
-                eq(IpRateLimitTable.ip, ip),
-                isDefaultModel
-                  ? inArray(IpRateLimitTable.interval, [lifetimeInterval, dailyInterval])
-                  : inArray(IpRateLimitTable.interval, [dailyInterval]),
-              ),
-            ),
-        ),
-      ])
-      const redisLifetimeCount = isDefaultModel ? Number(counts[0] ?? 0) : 0
-      const redisDailyCount = Number(counts[isDefaultModel ? 1 : 0] ?? 0)
-      const databaseLifetimeCount = rows.find((r) => r.interval === lifetimeInterval)?.count ?? 0
-      const databaseDailyCount = rows.find((r) => r.interval === dailyInterval)?.count ?? 0
-      const lifetimeCount = Math.max(redisLifetimeCount, databaseLifetimeCount)
-      const dailyCount = Math.max(redisDailyCount, databaseDailyCount)
+      const counts = await redis.mget<(string | number | null)[]>(isDefaultModel ? [lifetimeKey, dailyKey] : [dailyKey])
+      const lifetimeCount = isDefaultModel ? Number(counts[0] ?? 0) : 0
+      const dailyCount = Number(counts[isDefaultModel ? 1 : 0] ?? 0)
       logger.debug(`rate limit lifetime: ${lifetimeCount}, daily: ${dailyCount}`)
 
       isNew = isDefaultModel && lifetimeCount < dailyLimit * 7
-      if (isDefaultModel && databaseLifetimeCount > redisLifetimeCount)
-        await redis.set(lifetimeKey, databaseLifetimeCount).catch(() => {})
 
       if ((isNew && dailyCount >= dailyLimit * 2) || (!isNew && dailyCount >= dailyLimit))
         throw new FreeUsageLimitError(dict["zen.api.error.rateLimitExceeded"], retryAfter)
@@ -68,18 +44,7 @@ export function createRateLimiter(modelId: string, rateLimit: number | undefined
       pipeline.incr(dailyKey)
       pipeline.expire(dailyKey, retryAfter)
       if (isNew) pipeline.incr(lifetimeKey)
-      await Promise.all([
-        pipeline.exec().catch(() => {}),
-        Database.use((tx) =>
-          tx
-            .insert(IpRateLimitTable)
-            .values([
-              { ip, interval: dailyInterval, count: 1 },
-              ...(isNew ? [{ ip, interval: lifetimeInterval, count: 1 }] : []),
-            ])
-            .onDuplicateKeyUpdate({ set: { count: sql`${IpRateLimitTable.count} + 1` } }),
-        ),
-      ])
+      await pipeline.exec()
     },
   }
 }

packages/console/app/src/routes/zen/util/keyRateLimiter.ts

@@ -1,6 +1,5 @@
-import { Database, eq, and, sql } from "@opencode-ai/console-core/drizzle/index.js"
-import { KeyRateLimitTable } from "@opencode-ai/console-core/schema/ip.sql.js"
 import { RateLimitError } from "./error"
+import { buildRateLimitKey, getRedis } from "./redis"
 import { i18n } from "~/i18n"
 import { localeFromRequest } from "~/lib/language"
 
@@ -19,26 +18,20 @@ export function createRateLimiter(
     .replace(/[^0-9]/g, "")
     .substring(0, 12)
   const interval = `${modelId.substring(0, 27)}-${yyyyMMddHHmm}`
+  const redis = getRedis()
+  const key = buildRateLimitKey("key", zenApiKey, interval)
 
   return {
     check: async () => {
-      const rows = await Database.use((tx) =>
-        tx
-          .select({ interval: KeyRateLimitTable.interval, count: KeyRateLimitTable.count })
-          .from(KeyRateLimitTable)
-          .where(and(eq(KeyRateLimitTable.key, zenApiKey), eq(KeyRateLimitTable.interval, interval))),
-      ).then((rows) => rows[0])
-      const count = rows?.count ?? 0
+      const count = Number((await redis.mget<(string | number | null)[]>([key]))[0] ?? 0)
 
       if (count >= LIMIT) throw new RateLimitError(dict["zen.api.error.rateLimitExceeded"], 60)
     },
     track: async () => {
-      await Database.use((tx) =>
-        tx
-          .insert(KeyRateLimitTable)
-          .values({ key: zenApiKey, interval, count: 1 })
-          .onDuplicateKeyUpdate({ set: { count: sql`${KeyRateLimitTable.count} + 1` } }),
-      )
+      const pipeline = redis.pipeline()
+      pipeline.incr(key)
+      pipeline.expire(key, 60)
+      await pipeline.exec()
     },
   }
 }

packages/console/app/vite.config.ts

@@ -17,6 +17,7 @@ export default defineConfig({
   ],
   server: {
     allowedHosts: true,
+    port: 3001,
   },
   build: {
     rollupOptions: {

packages/console/core/package.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
   "name": "@opencode-ai/console-core",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "private": true,
   "type": "module",
   "license": "MIT",

packages/console/core/src/referral.ts

@@ -1,8 +1,8 @@
 import { z } from "zod"
-import { and, asc, eq, isNull, sql, Database } from "./drizzle"
+import { and, asc, eq, inArray, isNull, sql, Database } from "./drizzle"
 import { Actor } from "./actor"
 import { Identifier } from "./identifier"
-import { LiteTable } from "./schema/billing.sql"
+import { LiteTable, PaymentTable } from "./schema/billing.sql"
 import { ReferralCodeTable, ReferralRewardTable, ReferralTable } from "./schema/referral.sql"
 import { AuthTable } from "./schema/auth.sql"
 import { UserTable } from "./schema/user.sql"
@@ -318,6 +318,26 @@ export namespace Referral {
         .then((rows) => rows[0])
       if (selfReferral) throw new Error("Self-referral is not allowed")
 
+      const workspaceIDs = await tx
+        .select({ workspaceID: UserTable.workspaceID })
+        .from(UserTable)
+        .where(and(eq(UserTable.accountID, input.accountID), isNull(UserTable.timeDeleted)))
+        .then((rows) => rows.map((row) => row.workspaceID))
+      if (workspaceIDs.length === 0) return
+
+      const litePayment = await tx
+        .select({ id: PaymentTable.id })
+        .from(PaymentTable)
+        .where(
+          and(
+            inArray(PaymentTable.workspaceID, workspaceIDs),
+            isNull(PaymentTable.timeDeleted),
+            sql`JSON_UNQUOTE(JSON_EXTRACT(${PaymentTable.enrichment}, '$.type')) = 'lite'`,
+          ),
+        )
+        .then((rows) => rows[0])
+      if (litePayment) return
+
       const referralID = Identifier.create("referral")
       await tx.insert(ReferralTable).ignore().values({
         workspaceID: code.workspaceID,
@@ -355,7 +375,7 @@ export namespace Referral {
         .from(ReferralTable)
         .where(and(eq(ReferralTable.inviteeAccountID, invitee.accountID), isNull(ReferralTable.timeDeleted)))
         .then((rows) => rows[0])
-      if (!referral) throw new Error("Referral not found")
+      if (!referral) return
 
       const result = await tx
         .insert(ReferralRewardTable)
@@ -373,7 +393,7 @@ export namespace Referral {
           },
         ])
 
-      if (result.rowsAffected === 0) throw new Error("Referral already completed")
+      if (result.rowsAffected === 0) return
     })
   }
 

packages/console/function/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode-ai/console-function",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "$schema": "https://json.schemastore.org/package.json",
   "private": true,
   "type": "module",

packages/console/mail/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode-ai/console-mail",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "dependencies": {
     "@jsx-email/all": "2.2.3",
     "@jsx-email/cli": "1.4.3",

packages/console/support/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode-ai/console-support",
-  "version": "0.0.0",
+  "version": "1.15.11",
   "type": "module",
   "license": "MIT",
   "scripts": {

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "name": "@opencode-ai/core",
   "type": "module",
   "license": "MIT",

packages/core/src/project.ts

@@ -108,7 +108,7 @@ export const layer = Layer.effect(
       if (!repo) return { id: ID.global, directory: input, vcs: undefined }
 
       const previous = yield* cached(repo.store)
-      const id = previous ?? (yield* root(repo))
+      const id = (yield* remote(repo)) ?? previous ?? (yield* root(repo))
 
       return {
         previous,

packages/core/test/project.test.ts

@@ -5,11 +5,16 @@ import path from "path"
 import { Effect } from "effect"
 import { Project } from "@opencode-ai/core/project"
 import { AbsolutePath } from "@opencode-ai/core/schema"
+import { Hash } from "@opencode-ai/core/util/hash"
 import { tmpdir } from "./fixture/tmpdir"
 import { testEffect } from "./lib/effect"
 
 const it = testEffect(Project.defaultLayer)
 
+function remoteID(remote: string) {
+  return Project.ID.make(Hash.fast(`git-remote:${remote}`))
+}
+
 function abs(value: string) {
   return AbsolutePath.make(value)
 }
@@ -86,7 +91,7 @@ describe("ProjectV2.resolve", () => {
     }),
   )
 
-  it.live("uses root commit when origin exists", () =>
+  it.live("prefers normalized origin over root commit", () =>
     Effect.gen(function* () {
       const tmp = yield* Effect.acquireRelease(
         Effect.promise(() => tmpdir()),
@@ -97,13 +102,36 @@ describe("ProjectV2.resolve", () => {
 
       const result = yield* project.resolve(abs(tmp.path))
 
-      expect(result.id).toBe(Project.ID.make(yield* Effect.promise(() => rootCommit(tmp.path))))
+      expect(result.id).toBe(remoteID("github.com/Acme/App"))
+      expect(result.id).not.toBe(Project.ID.make(yield* Effect.promise(() => rootCommit(tmp.path))))
       expect(result.directory).toBe(yield* real(tmp.path))
       expect(result.vcs?.type).toBe("git")
     }),
   )
 
-  it.live("uses root commit when local remote exists", () =>
+  it.live("normalizes ssh and https remotes to the same id", () =>
+    Effect.gen(function* () {
+      const ssh = yield* Effect.acquireRelease(
+        Effect.promise(() => tmpdir()),
+        (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
+      )
+      const https = yield* Effect.acquireRelease(
+        Effect.promise(() => tmpdir()),
+        (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
+      )
+      yield* Effect.promise(() => initRepo(ssh.path, { commit: true, remote: "git@github.com:owner/repo.git" }))
+      yield* Effect.promise(() => initRepo(https.path, { commit: true, remote: "https://github.com/owner/repo.git" }))
+      const project = yield* Project.Service
+
+      const a = yield* project.resolve(abs(ssh.path))
+      const b = yield* project.resolve(abs(https.path))
+
+      expect(a.id).toBe(remoteID("github.com/owner/repo"))
+      expect(b.id).toBe(a.id)
+    }),
+  )
+
+  it.live("ignores file remotes and falls back to root commit", () =>
     Effect.gen(function* () {
       const tmp = yield* Effect.acquireRelease(
         Effect.promise(() => tmpdir()),
@@ -118,7 +146,7 @@ describe("ProjectV2.resolve", () => {
     }),
   )
 
-  it.live("prefers previous cached id over origin", () =>
+  it.live("returns previous cached id from common dir", () =>
     Effect.gen(function* () {
       const tmp = yield* Effect.acquireRelease(
         Effect.promise(() => tmpdir()),
@@ -131,7 +159,7 @@ describe("ProjectV2.resolve", () => {
       const result = yield* project.resolve(abs(tmp.path))
 
       expect(result.previous).toBe(Project.ID.make("old-id"))
-      expect(result.id).toBe(Project.ID.make("old-id"))
+      expect(result.id).toBe(remoteID("github.com/owner/repo"))
     }),
   )
 
@@ -185,7 +213,7 @@ describe("ProjectV2.resolve", () => {
 
       expect(result.directory).toBe(yield* real(worktree))
       expect(result.previous).toBe(Project.ID.make("old-id"))
-      expect(result.id).toBe(Project.ID.make("old-id"))
+      expect(result.id).toBe(remoteID("github.com/owner/repo"))
       expect(result.vcs?.type).toBe("git")
     }),
   )

packages/desktop/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@opencode-ai/desktop",
   "private": true,
-  "version": "1.15.10",
+  "version": "1.15.11",
   "type": "module",
   "license": "MIT",
   "homepage": "https://opencode.ai",

packages/effect-drizzle-sqlite/package.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "name": "@opencode-ai/effect-drizzle-sqlite",
   "type": "module",
   "license": "MIT",

packages/enterprise/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode-ai/enterprise",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "private": true,
   "type": "module",
   "license": "MIT",

packages/enterprise/vite.config.ts

@@ -29,6 +29,7 @@ export default defineConfig({
   server: {
     host: "0.0.0.0",
     allowedHosts: true,
+    port: 3002,
   },
   worker: {
     format: "es",

packages/extensions/zed/extension.toml

@@ -1,7 +1,7 @@
 id = "opencode"
 name = "OpenCode"
 description = "The open source coding agent."
-version = "1.15.10"
+version = "1.15.11"
 schema_version = 1
 authors = ["Anomaly"]
 repository = "https://github.com/anomalyco/opencode"
@@ -11,26 +11,26 @@ name = "OpenCode"
 icon = "./icons/opencode.svg"
 
 [agent_servers.opencode.targets.darwin-aarch64]
-archive = "https://github.com/anomalyco/opencode/releases/download/v1.15.10/opencode-darwin-arm64.zip"
+archive = "https://github.com/anomalyco/opencode/releases/download/v1.15.11/opencode-darwin-arm64.zip"
 cmd = "./opencode"
 args = ["acp"]
 
 [agent_servers.opencode.targets.darwin-x86_64]
-archive = "https://github.com/anomalyco/opencode/releases/download/v1.15.10/opencode-darwin-x64.zip"
+archive = "https://github.com/anomalyco/opencode/releases/download/v1.15.11/opencode-darwin-x64.zip"
 cmd = "./opencode"
 args = ["acp"]
 
 [agent_servers.opencode.targets.linux-aarch64]
-archive = "https://github.com/anomalyco/opencode/releases/download/v1.15.10/opencode-linux-arm64.tar.gz"
+archive = "https://github.com/anomalyco/opencode/releases/download/v1.15.11/opencode-linux-arm64.tar.gz"
 cmd = "./opencode"
 args = ["acp"]
 
 [agent_servers.opencode.targets.linux-x86_64]
-archive = "https://github.com/anomalyco/opencode/releases/download/v1.15.10/opencode-linux-x64.tar.gz"
+archive = "https://github.com/anomalyco/opencode/releases/download/v1.15.11/opencode-linux-x64.tar.gz"
 cmd = "./opencode"
 args = ["acp"]
 
 [agent_servers.opencode.targets.windows-x86_64]
-archive = "https://github.com/anomalyco/opencode/releases/download/v1.15.10/opencode-windows-x64.zip"
+archive = "https://github.com/anomalyco/opencode/releases/download/v1.15.11/opencode-windows-x64.zip"
 cmd = "./opencode.exe"
 args = ["acp"]

packages/function/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode-ai/function",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "$schema": "https://json.schemastore.org/package.json",
   "private": true,
   "type": "module",

packages/http-recorder/package.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "name": "@opencode-ai/http-recorder",
   "type": "module",
   "license": "MIT",

packages/llm/package.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "name": "@opencode-ai/llm",
   "type": "module",
   "license": "MIT",

packages/opencode/package.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
-  "version": "1.15.10",
+  "version": "1.15.11",
   "name": "opencode",
   "type": "module",
   "license": "MIT",
@@ -122,6 +122,7 @@
     "@solid-primitives/event-bus": "1.1.2",
     "@solid-primitives/scheduled": "1.5.2",
     "@standard-schema/spec": "1.0.0",
+    "@types/ws": "8.18.1",
     "@zip.js/zip.js": "2.7.62",
     "ai": "catalog:",
     "ai-gateway-provider": "3.1.2",
@@ -163,6 +164,7 @@
     "vscode-jsonrpc": "8.2.1",
     "web-tree-sitter": "0.25.10",
     "which": "6.0.1",
+    "ws": "8.21.0",
     "xdg-basedir": "5.1.0",
     "yargs": "18.0.0",
     "zod": "catalog:"

packages/opencode/src/acp-next/event.ts

@@ -11,6 +11,7 @@ import type {
 } from "@opencode-ai/sdk/v2"
 import { Effect } from "effect"
 import { ACPNextSession } from "./session"
+import { ACPNextPermission } from "./permission"
 import {
   duplicateRunningToolUpdate,
   errorToolUpdate,
@@ -22,7 +23,8 @@ import {
 
 const log = Log.create({ service: "acp-next-event" })
 
-type Connection = Pick<AgentSideConnection, "sessionUpdate">
+type Connection = Pick<AgentSideConnection, "sessionUpdate"> &
+  Partial<Pick<AgentSideConnection, "requestPermission" | "writeTextFile">>
 type GlobalEventEnvelope = {
   payload?: Event
 }
@@ -40,6 +42,7 @@ export class Subscription {
   private readonly abort = new AbortController()
   private readonly shellSnapshots = new Map<string, string>()
   private readonly toolStarts = new Set<string>()
+  private readonly permission: ACPNextPermission.Handler
   private started = false
 
   constructor(
@@ -48,7 +51,9 @@ export class Subscription {
       connection: Connection
       session: ACPNextSession.Interface
     },
-  ) {}
+  ) {
+    this.permission = new ACPNextPermission.Handler(input)
+  }
 
   start() {
     if (this.started) return
@@ -65,6 +70,9 @@ export class Subscription {
 
   async handle(event: Event) {
     switch (event.type) {
+      case "permission.asked":
+        this.permission.handle(event)
+        return
       case "message.part.updated":
         return this.handlePartUpdated(event)
       case "message.part.delta":

packages/opencode/src/acp-next/permission.ts

@@ -0,0 +1,145 @@
+import type { AgentSideConnection, PermissionOption, RequestPermissionResponse } from "@agentclientprotocol/sdk"
+import * as Log from "@opencode-ai/core/util/log"
+import type { Event, OpencodeClient } from "@opencode-ai/sdk/v2"
+import { applyPatch } from "diff"
+import { exists, readText } from "@/util/filesystem"
+import type { ACPNextSession } from "./session"
+import { toLocations, toToolKind, type ToolInput } from "./tool"
+import { Effect } from "effect"
+
+const log = Log.create({ service: "acp-next-permission" })
+
+type PermissionEvent = Extract<Event, { type: "permission.asked" }>
+type Reply = "once" | "always" | "reject"
+type Connection = Partial<Pick<AgentSideConnection, "requestPermission" | "writeTextFile">>
+
+const permissionOptions: PermissionOption[] = [
+  { optionId: "once", kind: "allow_once", name: "Allow once" },
+  { optionId: "always", kind: "allow_always", name: "Always allow" },
+  { optionId: "reject", kind: "reject_once", name: "Reject" },
+]
+
+export class Handler {
+  private readonly queues = new Map<string, Promise<void>>()
+
+  constructor(
+    private readonly input: {
+      sdk: OpencodeClient
+      connection: Connection
+      session: ACPNextSession.Interface
+    },
+  ) {}
+
+  handle(event: PermissionEvent) {
+    const permission = event.properties
+    const previous = this.queues.get(permission.sessionID) ?? Promise.resolve()
+    const next = previous
+      .then(() => this.process(event))
+      .catch((error: unknown) => {
+        log.error("failed to handle permission", { error, permissionID: permission.id })
+      })
+      .finally(() => {
+        if (this.queues.get(permission.sessionID) === next) {
+          this.queues.delete(permission.sessionID)
+        }
+      })
+    this.queues.set(permission.sessionID, next)
+  }
+
+  private async process(event: PermissionEvent) {
+    const permission = event.properties
+    const session = await Effect.runPromise(this.input.session.tryGet(permission.sessionID))
+    if (!session) return
+
+    if (!this.input.connection.requestPermission) {
+      log.error("ACP connection cannot request permission", {
+        permissionID: permission.id,
+        sessionID: permission.sessionID,
+      })
+      await this.reply(permission.id, "reject", session.cwd)
+      return
+    }
+
+    const result = await this.input.connection
+      .requestPermission({
+        sessionId: permission.sessionID,
+        toolCall: {
+          toolCallId: permission.tool?.callID ?? permission.id,
+          status: "pending",
+          title: permission.permission,
+          rawInput: permission.metadata,
+          kind: toToolKind(permission.permission),
+          locations: toLocations(permission.permission, permission.metadata),
+        },
+        options: permissionOptions,
+      })
+      .catch(async (error: unknown) => {
+        log.error("failed to request permission from ACP", {
+          error,
+          permissionID: permission.id,
+          sessionID: permission.sessionID,
+        })
+        await this.reply(permission.id, "reject", session.cwd)
+        return undefined
+      })
+
+    if (!result) return
+
+    const reply = selectedReply(result)
+    if (reply !== "once" && reply !== "always") {
+      await this.reply(permission.id, "reject", session.cwd)
+      return
+    }
+
+    if (permission.permission === "edit") {
+      await this.writeProposedEdit(session.id, permission.metadata).catch((error: unknown) => {
+        log.error("failed to write proposed edit through ACP", {
+          error,
+          permissionID: permission.id,
+          sessionID: permission.sessionID,
+        })
+      })
+    }
+
+    await this.reply(permission.id, reply, session.cwd)
+  }
+
+  private async reply(requestID: string, reply: Reply, directory: string) {
+    await this.input.sdk.permission.reply({
+      requestID,
+      reply,
+      directory,
+    })
+  }
+
+  private async writeProposedEdit(sessionId: string, metadata: ToolInput) {
+    const filepath = stringValue(metadata.filepath)
+    const diff = stringValue(metadata.diff)
+    if (!filepath || !diff || !this.input.connection.writeTextFile) return
+
+    const content = (await exists(filepath)) ? await readText(filepath) : ""
+    const next = applyPatch(content, diff)
+    if (next === false) {
+      log.error("Failed to apply unified diff (context mismatch)")
+      return
+    }
+
+    void this.input.connection.writeTextFile({
+      sessionId,
+      path: filepath,
+      content: next,
+    })
+  }
+}
+
+function selectedReply(result: RequestPermissionResponse): Reply {
+  if (result.outcome.outcome !== "selected") return "reject"
+  if (result.outcome.optionId === "once" || result.outcome.optionId === "always") return result.outcome.optionId
+  return "reject"
+}
+
+function stringValue(value: unknown) {
+  return typeof value === "string" ? value : undefined
+}
+
+export * as ACPNextPermission from "./permission"

packages/opencode/src/acp-next/profile.ts

@@ -0,0 +1,42 @@
+const enabled = process.env.OPENCODE_ACP_PROFILE === "1"
+const started = performance.now()
+
+export function mark(name: string, fields?: Record<string, string | number | boolean | undefined>) {
+  if (!enabled) return
+  write(`${name}.mark`, performance.now() - started, fields)
+}
+
+export function duration(
+  name: string,
+  startedAt: number,
+  fields?: Record<string, string | number | boolean | undefined>,
+) {
+  if (!enabled) return
+  write(name, performance.now() - startedAt, fields)
+}
+
+export async function measure<T>(
+  name: string,
+  fn: () => Promise<T>,
+  fields?: Record<string, string | number | boolean | undefined>,
+) {
+  if (!enabled) return fn()
+  const start = performance.now()
+  try {
+    return await fn()
+  } finally {
+    write(name, performance.now() - start, fields)
+  }
+}
+
+function write(name: string, durationMs: number, fields?: Record<string, string | number | boolean | undefined>) {
+  const extra = fields
+    ? Object.entries(fields)
+        .filter((entry): entry is [string, string | number | boolean] => entry[1] !== undefined)
+        .map(([key, value]) => `${key}=${value}`)
+        .join(" ")
+    : ""
+  console.error(`[acp-profile] ${name} ${Math.round(durationMs)}ms${extra ? ` ${extra}` : ""}`)
+}
+
+export * as ACPNextProfile from "./profile"

packages/opencode/src/acp-next/service.ts

@@ -35,9 +35,12 @@ import type { Message, OpencodeClient, SessionMessageResponse } from "@opencode-
 import { Context, Effect, Layer, ManagedRuntime } from "effect"
 import * as ACPNextError from "./error"
 import { buildConfigOptions, parseModelSelection } from "./config-option"
+import { promptContentToParts } from "./content"
 import { Directory } from "./directory"
 import { ACPNextEvent } from "./event"
 import { ACPNextSession } from "./session"
+import { UsageService } from "./usage"
+import { ACPNextProfile } from "./profile"
 import { ModelID, ProviderID } from "@/provider/schema"
 import { Provider } from "@/provider/provider"
 import type { Command } from "@/command"
@@ -46,6 +49,8 @@ export const AuthMethodID = "opencode-login"
 const log = Log.create({ service: "acp-next-service" })
 
 export type Error = ACPNextError.Error
+type ServiceConnection = Pick<AgentSideConnection, "sessionUpdate"> &
+  Partial<Pick<AgentSideConnection, "requestPermission" | "writeTextFile">>
 
 export type Interface = {
   readonly initialize: (input: InitializeRequest) => Effect.Effect<InitializeResponse, Error>
@@ -69,20 +74,23 @@ export class Service extends Context.Service<Service, Interface>()("@opencode/AC
 
 export function make(input: {
   sdk: OpencodeClient
-  connection?: Pick<AgentSideConnection, "sessionUpdate">
+  connection?: ServiceConnection
   directory?: Directory.Interface
   session?: ACPNextSession.Interface
+  usage?: UsageService.Interface
   eventSubscription?: (subscription: ACPNextEvent.Subscription) => void
 }): Interface {
   const session = input.session ?? makeSessionService()
   const directoryService = input.directory ?? makeDirectoryService(input.sdk)
   const registeredMcp = new Map<string, Set<string>>()
+  const sessionSnapshots = new Map<string, Directory.Snapshot>()
   const events = input.connection
     ? ACPNextEvent.start({ sdk: input.sdk, connection: input.connection, session })
     : undefined
   if (events) input.eventSubscription?.(events)
 
   const initialize = Effect.fn("ACPNext.initialize")(function* (params: InitializeRequest) {
+    const started = performance.now()
     const authMethod: AuthMethod = {
       description: "Run `opencode auth login` in the terminal",
       name: "Login with opencode",
@@ -99,7 +107,7 @@ export function make(input: {
       }
     }
 
-    return {
+    const response = {
       protocolVersion: 1,
       agentCapabilities: {
         loadSession: true,
@@ -124,6 +132,8 @@ export function make(input: {
         version: InstallationVersion,
       },
     }
+    ACPNextProfile.duration("acp.initialize", started)
+    return response
   })
 
   const authenticate = Effect.fn("ACPNext.authenticate")(function* (params: AuthenticateRequest) {
@@ -134,15 +144,28 @@ export function make(input: {
   })
 
   const directorySnapshot = Effect.fn("ACPNext.directorySnapshot")(function* (cwd: string) {
-    return yield* directoryService.get(cwd)
+    const started = performance.now()
+    const snapshot = yield* directoryService.get(cwd)
+    ACPNextProfile.duration("acp.directory.snapshot", started)
+    return snapshot
+  })
+
+  const configSnapshot = Effect.fn("ACPNext.configSnapshot")(function* (state: ACPNextSession.Info) {
+    const snapshot = sessionSnapshots.get(state.id)
+    if (snapshot) return snapshot
+    const loaded = yield* directorySnapshot(state.cwd)
+    sessionSnapshots.set(state.id, loaded)
+    return loaded
   })
 
   const newSession = Effect.fn("ACPNext.newSession")(function* (params: NewSessionRequest) {
+    const started = performance.now()
     const snapshot = yield* directorySnapshot(params.cwd)
     const selected = selectDefaultModel(snapshot)
     const variant = selectVariant(snapshot, selected)
     const modeId = snapshot.availableModes.length > 0 ? snapshot.defaultModeID : undefined
-    const created = yield* request(
+    const created = yield* profiledRequest(
+      "acp.newSession.session.create",
       () =>
         input.sdk.session.create(
           {
@@ -166,11 +189,12 @@ export function make(input: {
       variant,
       modeId,
     })
+    sessionSnapshots.set(state.id, snapshot)
 
     yield* registerMcpServers(input.sdk, registeredMcp, params.cwd, state.id, params.mcpServers)
     yield* sendAvailableCommands(input.connection, state.id, snapshot)
 
-    return {
+    const response = {
       sessionId: state.id,
       configOptions: configOptions(snapshot, {
         model: state.model ?? selected,
@@ -178,6 +202,8 @@ export function make(input: {
         modeId: state.modeId,
       }),
     }
+    ACPNextProfile.duration("acp.newSession", started)
+    return response
   })
 
   const loadSession = Effect.fn("ACPNext.loadSession")(function* (params: LoadSessionRequest) {
@@ -204,6 +230,7 @@ export function make(input: {
       variant: restored.variant ?? selectVariant(snapshot, model),
       modeId: restored.modeId ?? (snapshot.availableModes.length > 0 ? snapshot.defaultModeID : undefined),
     })
+    sessionSnapshots.set(state.id, snapshot)
 
     yield* registerMcpServers(input.sdk, registeredMcp, params.cwd, state.id, params.mcpServers)
     yield* sendAvailableCommands(input.connection, state.id, snapshot)
@@ -232,21 +259,35 @@ export function make(input: {
         ),
       "session",
     )
-    const sorted = sessions.toSorted((a, b) => b.time.updated - a.time.updated)
+    const serverEntries = sessions.map(
+      (item): SessionInfo => ({
+        sessionId: item.id,
+        cwd: item.directory,
+        title: item.title,
+        updatedAt: new Date(item.time.updated).toISOString(),
+      }),
+    )
+    const liveEntries = (yield* session.list(params.cwd ?? undefined))
+      .filter((item) => !serverEntries.some((entry) => entry.sessionId === item.id))
+      .map(
+        (item): SessionInfo => ({
+          sessionId: item.id,
+          cwd: item.cwd,
+          updatedAt: item.createdAt.toISOString(),
+        }),
+      )
+    const sorted = [...liveEntries, ...serverEntries].toSorted(
+      (a, b) => new Date(b.updatedAt ?? 0).getTime() - new Date(a.updatedAt ?? 0).getTime(),
+    )
     const filtered =
-      cursor === undefined || !Number.isFinite(cursor) ? sorted : sorted.filter((item) => item.time.updated < cursor)
+      cursor === undefined || !Number.isFinite(cursor)
+        ? sorted
+        : sorted.filter((item) => new Date(item.updatedAt ?? 0).getTime() < cursor)
     const page = filtered.slice(0, limit)
     const last = page.at(-1)
     return {
-      sessions: page.map(
-        (item): SessionInfo => ({
-          sessionId: item.id,
-          cwd: item.directory,
-          title: item.title,
-          updatedAt: new Date(item.time.updated).toISOString(),
-        }),
-      ),
-      ...(filtered.length > limit && last ? { nextCursor: String(last.time.updated) } : {}),
+      sessions: page,
+      ...(filtered.length > limit && last ? { nextCursor: String(new Date(last.updatedAt ?? 0).getTime()) } : {}),
     }
   })
 
@@ -274,6 +315,7 @@ export function make(input: {
       variant: restored.variant ?? selectVariant(snapshot, model),
       modeId: restored.modeId ?? (snapshot.availableModes.length > 0 ? snapshot.defaultModeID : undefined),
     })
+    sessionSnapshots.set(state.id, snapshot)
 
     yield* registerMcpServers(input.sdk, registeredMcp, params.cwd, state.id, params.mcpServers ?? [])
     yield* sendAvailableCommands(input.connection, state.id, snapshot)
@@ -291,6 +333,7 @@ export function make(input: {
   const closeSession = Effect.fn("ACPNext.closeSession")(function* (params: CloseSessionRequest) {
     const removed = yield* session.remove(params.sessionId)
     registeredMcp.delete(params.sessionId)
+    sessionSnapshots.delete(params.sessionId)
     if (!removed) return {}
 
     yield* request(
@@ -334,6 +377,7 @@ export function make(input: {
       variant: restored.variant ?? selectVariant(snapshot, model),
       modeId: restored.modeId ?? (snapshot.availableModes.length > 0 ? snapshot.defaultModeID : undefined),
     })
+    sessionSnapshots.set(state.id, snapshot)
 
     yield* registerMcpServers(input.sdk, registeredMcp, params.cwd, state.id, params.mcpServers ?? [])
     yield* sendAvailableCommands(input.connection, state.id, snapshot)
@@ -353,7 +397,7 @@ export function make(input: {
     params: SetSessionConfigOptionRequest,
   ) {
     const current = yield* session.get(params.sessionId)
-    const snapshot = yield* directorySnapshot(current.cwd)
+    const snapshot = yield* configSnapshot(current)
     if (typeof params.value !== "string") {
       return yield* new ACPNextError.InvalidConfigOptionError({ configId: params.configId })
     }
@@ -408,7 +452,7 @@ export function make(input: {
 
   const setSessionMode = Effect.fn("ACPNext.setSessionMode")(function* (params: SetSessionModeRequest) {
     const current = yield* session.get(params.sessionId)
-    const snapshot = yield* directorySnapshot(current.cwd)
+    const snapshot = yield* configSnapshot(current)
     if (!snapshot.availableModes.some((mode) => mode.id === params.modeId)) {
       return yield* new ACPNextError.InvalidModeError({ mode: params.modeId })
     }
@@ -418,7 +462,7 @@ export function make(input: {
 
   const setSessionModel = Effect.fn("ACPNext.setSessionModel")(function* (params: SetSessionModelRequest) {
     const current = yield* session.get(params.sessionId)
-    const snapshot = yield* directorySnapshot(current.cwd)
+    const snapshot = yield* configSnapshot(current)
     const selected = yield* parseSelectedModel(snapshot, params.modelId)
     yield* session
       .setVariant(
@@ -443,8 +487,81 @@ export function make(input: {
     setSessionConfigOption,
     setSessionMode,
     setSessionModel,
-    prompt: Effect.fn("ACPNext.prompt")(function* (_input: PromptRequest) {
-      return yield* new ACPNextError.UnsupportedOperationError({ method: "session/prompt" })
+    prompt: Effect.fn("ACPNext.prompt")(function* (params: PromptRequest) {
+      const current = yield* session.get(params.sessionId)
+      const snapshot = yield* directorySnapshot(current.cwd)
+      const selected = current.model ?? selectDefaultModel(snapshot)
+      if (!current.model) {
+        yield* session.setModel(params.sessionId, selected)
+      }
+      const variant = current.variant ?? selectVariant(snapshot, selected)
+      const modeId = current.modeId ?? (snapshot.availableModes.length > 0 ? snapshot.defaultModeID : undefined)
+      const parts = promptContentToParts(params.prompt)
+      const command = detectSlashCommand(parts)
+
+      if (!command) {
+        const response = yield* request(
+          () =>
+            input.sdk.session.prompt(
+              {
+                sessionID: current.id,
+                model: {
+                  providerID: selected.providerID,
+                  modelID: selected.modelID,
+                },
+                ...(variant ? { variant } : {}),
+                parts,
+                ...(modeId ? { agent: modeId } : {}),
+                directory: current.cwd,
+              },
+              { throwOnError: true },
+            ),
+          "session",
+        )
+        yield* sendUsageUpdate(input.usage, input.sdk, input.connection, current.id, current.cwd)
+        return promptResponse(response.info, params.messageId)
+      }
+
+      const known = snapshot.availableCommands.find((item) => item.name === command.name)
+      if (known) {
+        const response = yield* request(
+          () =>
+            input.sdk.session.command(
+              {
+                sessionID: current.id,
+                command: known.name,
+                arguments: command.args,
+                model: `${selected.providerID}/${selected.modelID}`,
+                ...(variant ? { variant } : {}),
+                ...(modeId ? { agent: modeId } : {}),
+                directory: current.cwd,
+              },
+              { throwOnError: true },
+            ),
+          "session",
+        )
+        yield* sendUsageUpdate(input.usage, input.sdk, input.connection, current.id, current.cwd)
+        return promptResponse(response.info, params.messageId)
+      }
+
+      if (command.name === "compact") {
+        yield* request(
+          () =>
+            input.sdk.session.summarize(
+              {
+                sessionID: current.id,
+                directory: current.cwd,
+                providerID: selected.providerID,
+                modelID: selected.modelID,
+              },
+              { throwOnError: true },
+            ),
+          "session",
+        )
+      }
+
+      yield* sendUsageUpdate(input.usage, input.sdk, input.connection, current.id, current.cwd)
+      return promptResponse(undefined, params.messageId)
     }),
     cancel: Effect.fn("ACPNext.cancel")(function* (_input: CancelNotification) {
       return yield* new ACPNextError.UnsupportedOperationError({ method: "session/cancel" })
@@ -473,6 +590,91 @@ function makeDirectoryService(sdk: OpencodeClient) {
   ).runSync(Directory.Service.use((service) => Effect.succeed(service)))
 }
 
+function makeUsageService(sdk: OpencodeClient) {
+  const limits = new Map<string, Promise<number | undefined>>()
+  const contextLimit: UsageService.Interface["contextLimit"] = Effect.fn("ACPNext.promptUsage.contextLimit")(
+    function* (params) {
+      const key = `${params.directory}\u0000${params.providerID}\u0000${params.modelID}`
+      const current = limits.get(key)
+      if (current) return yield* Effect.promise(() => current)
+
+      const next = sdk.config
+        .providers({ directory: params.directory }, { throwOnError: true })
+        .then((response) => {
+          const providers = Object.fromEntries(
+            (response.data?.providers ?? []).map((provider) => [provider.id, provider]),
+          ) as Record<ProviderID, Provider.Info>
+          return UsageService.findContextLimit(providers, params.providerID, params.modelID)
+        })
+        .catch((error: unknown) => {
+          log.error("failed to get providers for usage context limit", { error })
+          return undefined
+        })
+      limits.set(key, next)
+      return yield* Effect.promise(() => next)
+    },
+  )
+
+  const sendUpdate: UsageService.Interface["sendUpdate"] = Effect.fn("ACPNext.promptUsage.sendUpdate")(
+    function* (params) {
+      const messages = yield* request(
+        () =>
+          sdk.session.messages(
+            {
+              sessionID: params.sessionID,
+              directory: params.directory,
+            },
+            { throwOnError: true },
+          ),
+        "session",
+      ).pipe(
+        Effect.map((messages) => messages as readonly UsageService.SessionMessage[]),
+        Effect.catch((error) =>
+          Effect.sync(() => {
+            log.error("failed to fetch messages for usage update", { error })
+            return undefined
+          }),
+        ),
+      )
+      if (!messages) return
+
+      const message = UsageService.latestAssistantMessage(messages)
+      if (!message?.providerID || !message.modelID) return
+
+      const size = yield* contextLimit({
+        directory: params.directory,
+        providerID: ProviderID.make(message.providerID),
+        modelID: ModelID.make(message.modelID),
+      })
+      if (!size) return
+
+      yield* Effect.promise(() =>
+        params.connection
+          .sessionUpdate({
+            sessionId: params.sessionID,
+            update: {
+              sessionUpdate: "usage_update",
+              used: message.tokens.input + message.tokens.cache.read,
+              size,
+              cost: { amount: UsageService.totalSessionCost(messages), currency: "USD" },
+            },
+          })
+          .catch((error) => {
+            log.error("failed to send usage update", { error })
+          }),
+      )
+    },
+  )
+
+  return UsageService.Service.of({
+    buildUsage: UsageService.buildUsage,
+    latestAssistantMessage: UsageService.latestAssistantMessage,
+    totalSessionCost: UsageService.totalSessionCost,
+    contextLimit,
+    sendUpdate,
+  })
+}
+
 function replayMessages(subscription: ACPNextEvent.Subscription | undefined, messages: SessionMessageResponse[]) {
   if (!subscription) return Effect.void
   return Effect.promise(async () => {
@@ -505,6 +707,8 @@ type MessageInfo = {
   readonly agent?: Message["agent"]
 }
 
+type AssistantInfo = UsageService.AssistantTokenCost | undefined
+
 function request<T>(fn: () => Promise<T | SdkResponse<T>>, service?: string) {
   return Effect.tryPromise({
     try: async () => {
@@ -519,66 +723,79 @@ function request<T>(fn: () => Promise<T | SdkResponse<T>>, service?: string) {
   })
 }
 
-async function loadDirectorySnapshot(sdk: OpencodeClient, directory: string) {
-  const [providersResponse, agentsResponse, commandsResponse, skillsResponse] = await Promise.all([
-    sdk.config.providers({ directory }, { throwOnError: true }),
-    sdk.app.agents({ directory }, { throwOnError: true }),
-    sdk.command.list({ directory }, { throwOnError: true }),
-    sdk.app.skills({ directory }, { throwOnError: true }),
-  ])
-  const providersData = providersResponse.data!
-  const agents = agentsResponse.data!
-  const commandsData = commandsResponse.data!
-  const skills = skillsResponse.data!
-  const providers = Object.fromEntries(providersData.providers.map((provider) => [provider.id, provider])) as Record<
-    ProviderID,
-    Provider.Info
-  >
-  const defaultModel = await defaultModelFromSdk(sdk, directory, providers)
-  const modes = agents
-    .filter((agent) => agent.mode !== "subagent" && agent.hidden !== true)
-    .map((agent) => ({
-      id: agent.name,
-      name: agent.name,
-      ...(agent.description ? { description: agent.description } : {}),
-    }))
-  const commands = [
-    ...commandsData,
-    ...skills
-      .filter((skill) => !commandsData.some((command) => command.name === skill.name))
-      .map((skill) => ({
-        name: skill.name,
-        description: skill.description,
-        source: "skill" as const,
-        template: skill.content,
-        hints: [],
-      })),
-  ] as Command.Info[]
+function profiledRequest<T>(name: string, fn: () => Promise<T | SdkResponse<T>>, service?: string) {
+  return request(() => ACPNextProfile.measure(name, fn), service)
+}
 
-  return Directory.build({
-    directory,
-    providers,
-    modes,
-    defaultModeID: agents.find((agent) => agent.mode === "primary" && agent.hidden !== true)?.name ?? "build",
-    commands: commands.toSorted((a, b) => a.name.localeCompare(b.name)),
-    ...(defaultModel ? { defaultModel } : {}),
+async function loadDirectorySnapshot(sdk: OpencodeClient, directory: string) {
+  return ACPNextProfile.measure("acp.directory.load", async () => {
+    const [providersResponse, agentsResponse, commandsResponse, skillsResponse, configResponse] = await Promise.all([
+      ACPNextProfile.measure("acp.directory.provider.list", () =>
+        sdk.config.providers({ directory }, { throwOnError: true }),
+      ),
+      ACPNextProfile.measure("acp.directory.mode.defaultAgent.load", () =>
+        sdk.app.agents({ directory }, { throwOnError: true }),
+      ),
+      ACPNextProfile.measure("acp.directory.command.list", () =>
+        sdk.command.list({ directory }, { throwOnError: true }),
+      ),
+      ACPNextProfile.measure("acp.directory.skill.list", () => sdk.app.skills({ directory }, { throwOnError: true })),
+      ACPNextProfile.measure("acp.directory.defaultModel.config", () =>
+        sdk.config.get({ directory }, { throwOnError: true }).catch(() => undefined),
+      ),
+    ])
+    const providersData = providersResponse.data!
+    const agents = agentsResponse.data!
+    const commandsData = commandsResponse.data!
+    const skills = skillsResponse.data!
+    const providers = Object.fromEntries(providersData.providers.map((provider) => [provider.id, provider])) as Record<
+      ProviderID,
+      Provider.Info
+    >
+    const defaultModelStarted = performance.now()
+    const defaultModel = defaultModelFromConfig(configResponse?.data?.model, providers)
+    ACPNextProfile.duration("acp.directory.defaultModel.resolve", defaultModelStarted, { configured: !!defaultModel })
+    const modes = agents
+      .filter((agent) => agent.mode !== "subagent" && agent.hidden !== true)
+      .map((agent) => ({
+        id: agent.name,
+        name: agent.name,
+        ...(agent.description ? { description: agent.description } : {}),
+      }))
+    const commands = [
+      ...commandsData,
+      ...skills
+        .filter((skill) => !commandsData.some((command) => command.name === skill.name))
+        .map((skill) => ({
+          name: skill.name,
+          description: skill.description,
+          source: "skill" as const,
+          template: skill.content,
+          hints: [],
+        })),
+    ] as Command.Info[]
+
+    return Directory.build({
+      directory,
+      providers,
+      modes,
+      defaultModeID: agents.find((agent) => agent.mode === "primary" && agent.hidden !== true)?.name ?? "build",
+      commands: commands.toSorted((a, b) => a.name.localeCompare(b.name)),
+      ...(defaultModel ? { defaultModel } : {}),
+    })
   })
 }
 
-async function defaultModelFromSdk(
-  sdk: OpencodeClient,
-  directory: string,
+function defaultModelFromConfig(
+  configuredModel: string | undefined,
   providers: Record<ProviderID, Provider.Info>,
-): Promise<Directory.DefaultModel | undefined> {
-  const configured = await sdk.config
-    .get({ directory }, { throwOnError: true })
-    .then((response) => (response.data?.model ? Provider.parseModel(response.data.model) : undefined))
-    .catch(() => undefined)
+): Directory.DefaultModel | undefined {
+  const configured = configuredModel ? Provider.parseModel(configuredModel) : undefined
   if (configured && providers[configured.providerID]?.models[configured.modelID]) return configured
 
-  const lastUsed = await lastUsedModel(sdk, directory, providers)
-  if (lastUsed) return lastUsed
-
+  // First-session ACP startup must not scan historical sessions just to infer
+  // a default. Configured model, opencode provider, then sorted best model keep
+  // the protocol response deterministic without extra session/message reads.
   const opencodeProvider = providers[ProviderID.make("opencode")]
   const opencodeModel = opencodeProvider ? Provider.sort(Object.values(opencodeProvider.models))[0] : undefined
   if (opencodeProvider && opencodeModel) return { providerID: opencodeProvider.id, modelID: opencodeModel.id }
@@ -588,30 +805,6 @@ async function defaultModelFromSdk(
   if (configured) return configured
 }
 
-async function lastUsedModel(
-  sdk: OpencodeClient,
-  directory: string,
-  providers: Record<ProviderID, Provider.Info>,
-): Promise<Directory.DefaultModel | undefined> {
-  const session = await sdk.session
-    .list({ directory, roots: true, limit: 1 }, { throwOnError: true })
-    .then((response) => response.data?.[0])
-    .catch(() => undefined)
-  if (!session) return
-
-  const lastUser = await sdk.session
-    .messages({ directory, sessionID: session.id, limit: 20 }, { throwOnError: true })
-    .then((response) => response.data?.findLast((message) => message.info.role === "user")?.info)
-    .catch(() => undefined)
-  if (lastUser?.role !== "user") return
-  if (!providers[ProviderID.make(lastUser.model.providerID)]?.models[ModelID.make(lastUser.model.modelID)]) return
-
-  return {
-    providerID: ProviderID.make(lastUser.model.providerID),
-    modelID: ModelID.make(lastUser.model.modelID),
-  }
-}
-
 function selectDefaultModel(snapshot: Directory.Snapshot) {
   if (snapshot.defaultModel) return snapshot.defaultModel
   const model = snapshot.modelOptions[0]
@@ -619,6 +812,43 @@ function selectDefaultModel(snapshot: Directory.Snapshot) {
   return { providerID: "unknown" as ProviderID, modelID: "unknown" as ModelID }
 }
 
+function detectSlashCommand(parts: ReturnType<typeof promptContentToParts>) {
+  const text = parts
+    .filter((part): part is Extract<(typeof parts)[number], { type: "text" }> => part.type === "text")
+    .map((part) => part.text)
+    .join("")
+    .trim()
+  if (!text.startsWith("/")) return
+
+  const [name, ...rest] = text.slice(1).split(/\s+/)
+  if (!name) return
+  return { name, args: rest.join(" ").trim() }
+}
+
+function promptResponse(info: AssistantInfo, messageId: string | null | undefined): PromptResponse {
+  return {
+    stopReason: "end_turn",
+    ...(info ? { usage: UsageService.buildUsage(info) } : {}),
+    ...(messageId ? { userMessageId: messageId } : {}),
+    _meta: {},
+  }
+}
+
+function sendUsageUpdate(
+  usage: UsageService.Interface | undefined,
+  sdk: OpencodeClient,
+  connection: ServiceConnection | undefined,
+  sessionID: string,
+  directory: string,
+) {
+  if (!connection) return Effect.void
+  return (usage ?? makeUsageService(sdk)).sendUpdate({
+    connection,
+    sessionID,
+    directory,
+  })
+}
+
 function selectVariant(snapshot: Directory.Snapshot, model: Directory.DefaultModel) {
   const variants = Directory.variants(snapshot, model)
   if (!variants) return
@@ -689,6 +919,7 @@ function registerMcpServers(
   sessionId: string,
   servers: readonly McpServer[],
 ) {
+  const started = performance.now()
   const current = registered.get(sessionId) ?? new Set<string>()
   registered.set(sessionId, current)
   const pending = new Set<string>()
@@ -720,7 +951,16 @@ function registerMcpServers(
         ),
       ),
     { concurrency: "unbounded" },
-  ).pipe(Effect.asVoid)
+  ).pipe(
+    Effect.tap(() =>
+      Effect.sync(() =>
+        ACPNextProfile.duration("acp.mcp.register", started, {
+          count: pending.size,
+        }),
+      ),
+    ),
+    Effect.asVoid,
+  )
 }
 
 function mcpRegistrationKey(name: string, config: ReturnType<typeof mcpConfig>) {

packages/opencode/src/acp-next/session.ts

@@ -60,6 +60,7 @@ export type PartMetadataLookupInput = {
 export type Interface = {
   readonly create: (input: StoreInput) => Effect.Effect<Info>
   readonly load: (input: StoreInput) => Effect.Effect<Info>
+  readonly list: (cwd?: string) => Effect.Effect<readonly Info[]>
   readonly get: (sessionId: string) => Effect.Effect<Info, ACPNextError.SessionNotFoundError>
   readonly tryGet: (sessionId: string) => Effect.Effect<Info | undefined>
   readonly remove: (sessionId: string) => Effect.Effect<Info | undefined>
@@ -168,6 +169,12 @@ export const layer = Layer.effect(
     return Service.of({
       create: store,
       load: store,
+      list: Effect.fn("ACPNext.Session.list")(function* (cwd?: string) {
+        return [...(yield* Ref.get(sessions)).values()]
+          .filter((session) => !cwd || session.cwd === cwd)
+          .map(snapshot)
+          .toSorted((a, b) => b.createdAt.getTime() - a.createdAt.getTime())
+      }),
       get,
       tryGet,
       remove,

packages/opencode/src/acp-next/tool.ts

@@ -74,7 +74,7 @@ export function toLocations(toolName: string, input: ToolInput): ToolCallLocatio
     case "read":
     case "edit":
     case "write":
-      return locationFrom(input.filePath)
+      return locationFrom(input.filePath ?? input.filepath)
 
     case "grep":
     case "glob":

packages/opencode/src/cli/cmd/acp.ts

@@ -9,6 +9,7 @@ import { ServerAuth } from "@/server/auth"
 import { createOpencodeClient } from "@opencode-ai/sdk/v2"
 import { withNetworkOptions, resolveNetworkOptions } from "../network"
 import { RuntimeFlags } from "@/effect/runtime-flags"
+import { ACPNextProfile } from "@/acp-next/profile"
 
 const log = Log.create({ service: "acp-command" })
 
@@ -23,10 +24,13 @@ export const AcpCommand = effectCmd({
     })
   },
   handler: Effect.fn("Cli.acp")(function* (args) {
+    ACPNextProfile.mark("cli.acp.handler")
     process.env.OPENCODE_CLIENT = "acp"
     const flags = yield* RuntimeFlags.Service
     const opts = yield* resolveNetworkOptions(args)
-    const server = yield* Effect.promise(() => Server.listen(opts))
+    const server = yield* Effect.promise(() =>
+      ACPNextProfile.measure("cli.acp.server.listen", () => Server.listen(opts)),
+    )
 
     const sdk = createOpencodeClient({
       baseUrl: `http://${server.hostname}:${server.port}`,
@@ -60,6 +64,7 @@ export const AcpCommand = effectCmd({
     const agent = flags.acpNext ? ACPNext.init({ sdk }) : ACP.init({ sdk })
 
     new AgentSideConnection((conn) => {
+      ACPNextProfile.mark("cli.acp.connection.create", { acpNext: flags.acpNext })
       return agent.create(conn, { sdk })
     }, stream)
 

packages/opencode/src/cli/cmd/tui/app.tsx

@@ -41,6 +41,7 @@ import { DialogThemeList } from "@tui/component/dialog-theme-list"
 import { DialogHelp } from "./ui/dialog-help"
 import { DialogAgent } from "@tui/component/dialog-agent"
 import { DialogSessionList } from "@tui/component/dialog-session-list"
+import { DialogWorkspaceList } from "@tui/component/dialog-workspace-list"
 import { DialogConsoleOrg } from "@tui/component/dialog-console-org"
 import { ThemeProvider, useTheme } from "@tui/context/theme"
 import { Home } from "@tui/routes/home"
@@ -50,7 +51,7 @@ import { FrecencyProvider } from "./component/prompt/frecency"
 import { PromptStashProvider } from "./component/prompt/stash"
 import { DialogAlert } from "./ui/dialog-alert"
 import { DialogConfirm } from "./ui/dialog-confirm"
-import { Toast, ToastProvider, useToast } from "./ui/toast"
+import { ToastProvider, useToast } from "./ui/toast"
 import { createExit, ExitProvider, useExit, type Exit } from "./context/exit"
 import { Session as SessionApi } from "@/session/session"
 import { TuiEvent } from "./event"
@@ -79,8 +80,7 @@ import {
 import type { EventSource } from "./context/sdk"
 import { DialogVariant } from "./component/dialog-variant"
 
-const appBindingCommands = [
-  "command.palette.show",
+const appGlobalBindingCommands = [
   "session.list",
   "session.new",
   "session.quick_switch.1",
@@ -92,6 +92,10 @@ const appBindingCommands = [
   "session.quick_switch.7",
   "session.quick_switch.8",
   "session.quick_switch.9",
+] as const
+
+const appBindingCommands = [
+  "command.palette.show",
   "model.list",
   "model.cycle_recent",
   "model.cycle_recent_reverse",
@@ -111,6 +115,7 @@ const appBindingCommands = [
   "theme.mode.lock",
   "help.show",
   "docs.open",
+  "workspace.list",
   "app.debug",
   "app.console",
   "app.heap_snapshot",
@@ -603,6 +608,16 @@ function App(props: { onSnapshot?: () => Promise<string[]> }) {
           dialog.clear()
         },
       },
+      {
+        name: "workspace.list",
+        title: "Manage workspaces",
+        category: "Workspace",
+        hidden: !Flag.OPENCODE_EXPERIMENTAL_WORKSPACES,
+        slashName: "workspaces",
+        run: () => {
+          dialog.replace(() => <DialogWorkspaceList />)
+        },
+      },
       ...Array.from({ length: 9 }, (_, i) => ({
         name: `session.quick_switch.${i + 1}`,
         title: `Switch to session in quick slot ${i + 1}`,
@@ -929,6 +944,10 @@ function App(props: { onSnapshot?: () => Promise<string[]> }) {
     bindings: tuiConfig.keybinds.gather("app", appBindingCommands),
   }))
 
+  useBindings(() => ({
+    bindings: tuiConfig.keybinds.gather("app.global", appGlobalBindingCommands),
+  }))
+
   useBindings(() => ({
     mode: OPENCODE_BASE_MODE,
     enabled: () => {
@@ -1072,8 +1091,6 @@ function App(props: { onSnapshot?: () => Promise<string[]> }) {
           <TuiPluginRuntime.Slot name="app_bottom" />
         </box>
         <TuiPluginRuntime.Slot name="app" />
-        {/* One Toast for the whole app, not per-route, so toasts survive route.navigate */}
-        <Toast />
       </Show>
       <StartupLoading ready={ready} />
     </box>

packages/opencode/src/cli/cmd/tui/component/dialog-workspace-list.tsx

@@ -0,0 +1,112 @@
+import type { Workspace } from "@opencode-ai/sdk/v2"
+import { useDialog } from "@tui/ui/dialog"
+import { DialogSelect, type DialogSelectOption } from "@tui/ui/dialog-select"
+import { useProject } from "@tui/context/project"
+import { useRoute } from "@tui/context/route"
+import { useSync } from "@tui/context/sync"
+import { useTheme } from "@tui/context/theme"
+import { createMemo, createSignal, onMount } from "solid-js"
+import { createStore } from "solid-js/store"
+import { errorMessage } from "@/util/error"
+import { useSDK } from "../context/sdk"
+import { useToast } from "../ui/toast"
+
+type WorkspaceOption = { workspace: Workspace }
+
+export function DialogWorkspaceList() {
+  const dialog = useDialog()
+  const route = useRoute()
+  const sync = useSync()
+  const sdk = useSDK()
+  const toast = useToast()
+  const project = useProject()
+  const { theme } = useTheme()
+  const [deleting, setDeleting] = createSignal<string>()
+  const [removing, setRemoving] = createSignal<string>()
+  const [expanded, setExpanded] = createStore<Record<string, boolean>>({})
+
+  const current = createMemo(() => {
+    if (route.data.type === "session") return sync.session.get(route.data.sessionID)?.workspaceID
+    return project.workspace.current()
+  })
+
+  const options = createMemo<DialogSelectOption<WorkspaceOption>[]>(() =>
+    project.workspace
+      .list()
+      .toSorted((a, b) => a.name.localeCompare(b.name))
+      .map((workspace) => {
+        const status = project.workspace.status(workspace.id)
+        return {
+          title:
+            removing() === workspace.id
+              ? "Deleting..."
+              : deleting() === workspace.id
+                ? `Delete ${workspace.name}? Press delete again`
+                : workspace.name,
+          value: { workspace },
+          footer: workspace.type,
+          details: expanded[workspace.id] && workspace.directory ? [workspace.directory] : undefined,
+          gutter: () => <text fg={status === "connected" ? theme.success : theme.error}>●</text>,
+        }
+      }),
+  )
+
+  function showDetails(workspace: Workspace) {
+    setExpanded(workspace.id, (open) => !open)
+  }
+
+  async function remove(workspace: Workspace) {
+    if (removing()) return
+    if (deleting() !== workspace.id) {
+      setDeleting(workspace.id)
+      return
+    }
+
+    setDeleting(undefined)
+    setRemoving(workspace.id)
+    const result = await sdk.client.experimental.workspace.remove({ id: workspace.id }).catch((err) => ({
+      error: err,
+    }))
+    if (result?.error) {
+      setRemoving(undefined)
+      toast.show({
+        variant: "error",
+        title: "Failed to delete workspace",
+        message: errorMessage(result.error),
+      })
+      return
+    }
+
+    if (current() === workspace.id) {
+      project.workspace.set(undefined)
+      route.navigate({ type: "home" })
+    }
+    await project.workspace.sync()
+    await sync.bootstrap({ fatal: false }).catch(() => undefined)
+    setRemoving(undefined)
+  }
+
+  onMount(() => {
+    dialog.setSize("large")
+    void sdk.client.experimental.workspace.syncList().catch(() => undefined)
+    void project.workspace.sync()
+  })
+
+  return (
+    <DialogSelect
+      title="Workspaces"
+      options={options()}
+      onMove={(option) => {
+        setDeleting(undefined)
+      }}
+      onSelect={(option) => showDetails(option.value.workspace)}
+      actions={[
+        {
+          command: "session.delete",
+          title: "delete",
+          onTrigger: (option) => void remove(option.value.workspace),
+        },
+      ]}
+    />
+  )
+}

packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx

@@ -512,7 +512,10 @@ export function Prompt(props: PromptProps) {
           const content = await Editor.open({
             value,
             renderer,
-            cwd: project.instance.path().worktree || project.instance.directory() || process.cwd(),
+            cwd:
+              (project.instance.path().worktree === "/" ? undefined : project.instance.path().worktree) ||
+              project.instance.directory() ||
+              process.cwd(),
           })
           if (!content) return
 

packages/opencode/src/cli/cmd/tui/feature-plugins/system/session-v2.tsx

@@ -442,16 +442,25 @@ function ReasoningHeader(props: { toggleable: boolean; open: boolean; done: bool
       : theme.warning
 
   return (
-    <text fg={fg()} wrapMode="none">
-      <Show when={props.toggleable}>
-        <span>{props.open ? "- " : "+ "}</span>
-      </Show>
-      <span>{props.done ? "Thought" : "Thinking"}</span>
-      <Show when={props.title}>
-        <span>: </span>
-        <span>{props.title}</span>
-      </Show>
-    </text>
+    <Switch>
+      <Match when={!props.done}>
+        <box flexDirection="row">
+          <Spinner color={fg()}>{props.title ? "Thinking: " + props.title : "Thinking"}</Spinner>
+        </box>
+      </Match>
+      <Match when={true}>
+        <text fg={fg()} wrapMode="none">
+          <Show when={props.toggleable}>
+            <span>{props.open ? "- " : "+ "}</span>
+          </Show>
+          <span>Thought</span>
+          <Show when={props.title}>
+            <span>: </span>
+            <span>{props.title}</span>
+          </Show>
+        </text>
+      </Match>
+    </Switch>
   )
 }
 

packages/opencode/src/cli/cmd/tui/routes/home.tsx

@@ -2,6 +2,7 @@ import { Prompt, type PromptRef } from "@tui/component/prompt"
 import { createEffect, createMemo, createSignal, onMount } from "solid-js"
 import { Logo } from "../component/logo"
 import { useSync } from "../context/sync"
+import { Toast } from "../ui/toast"
 import { useArgs } from "../context/args"
 import { useRouteData } from "@tui/context/route"
 import { usePromptRef } from "../context/prompt"
@@ -82,6 +83,7 @@ export function Home() {
         </box>
         <TuiPluginRuntime.Slot name="home_bottom" />
         <box flexGrow={1} minHeight={0} />
+        <Toast />
       </box>
       <box width="100%" flexShrink={0}>
         <TuiPluginRuntime.Slot name="home_footer" mode="single_winner" />

packages/opencode/src/cli/cmd/tui/routes/session/dialog-fork-from-timeline.tsx

@@ -5,8 +5,6 @@ import type { TextPart } from "@opencode-ai/sdk/v2"
 import { Locale } from "@/util/locale"
 import { useSDK } from "@tui/context/sdk"
 import { useRoute } from "@tui/context/route"
-import { useToast } from "../../ui/toast"
-import { Spinner } from "../../component/spinner"
 import { useDialog, type DialogContext } from "../../ui/dialog"
 import type { PromptInfo } from "@tui/component/prompt/history"
 import { strip } from "@tui/component/prompt/part"
@@ -16,37 +14,24 @@ export function DialogForkFromTimeline(props: { sessionID: string; onMove: (mess
   const dialog = useDialog()
   const sdk = useSDK()
   const route = useRoute()
-  const toast = useToast()
 
   onMount(() => {
     dialog.setSize("large")
   })
 
-  // Forking a large session can take a moment, so swap the dialog to a progress view instead of
-  // leaving it open (which looks frozen), then navigate to the fork and confirm with a toast.
-  const fork = async (dialog: DialogContext, messageID?: string, prompt?: PromptInfo) => {
-    dialog.replace(() => (
-      <box paddingLeft={2} paddingRight={2} paddingBottom={1}>
-        <Spinner>Forking session…</Spinner>
-      </box>
-    ))
-    const forked = await sdk.client.session.fork({ sessionID: props.sessionID, messageID })
-    if (!forked.data) {
-      toast.show({ variant: "error", message: "Failed to fork session" })
-      dialog.clear()
-      return
-    }
-    route.navigate({ sessionID: forked.data.id, type: "session", prompt })
-    dialog.clear()
-    toast.show({ variant: "success", message: "Forked session", duration: 4000 })
-  }
-
   const options = createMemo((): DialogSelectOption<string | undefined>[] => {
     const messages = sync.data.message[props.sessionID] ?? []
     const fullSession = {
       title: "Full session",
       value: undefined,
-      onSelect: fork,
+      onSelect: async (dialog: DialogContext) => {
+        const forked = await sdk.client.session.fork({ sessionID: props.sessionID })
+        route.navigate({
+          sessionID: forked.data!.id,
+          type: "session",
+        })
+        dialog.clear()
+      },
     } satisfies DialogSelectOption<string | undefined>
     const result = [] as DialogSelectOption<string | undefined>[]
     for (const message of messages) {
@@ -59,8 +44,13 @@ export function DialogForkFromTimeline(props: { sessionID: string; onMove: (mess
         title: part.text.replace(/\n/g, " "),
         value: message.id,
         footer: Locale.time(message.time.created),
-        onSelect: (dialog) => {
-          const prompt = (sync.data.part[message.id] ?? []).reduce(
+        onSelect: async (dialog) => {
+          const forked = await sdk.client.session.fork({
+            sessionID: props.sessionID,
+            messageID: message.id,
+          })
+          const parts = sync.data.part[message.id] ?? []
+          const prompt = parts.reduce(
             (agg, part) => {
               if (part.type === "text") {
                 if (!part.synthetic) agg.input += part.text
@@ -70,7 +60,12 @@ export function DialogForkFromTimeline(props: { sessionID: string; onMove: (mess
             },
             { input: "", parts: [] as PromptInfo["parts"] },
           )
-          return fork(dialog, message.id, prompt)
+          route.navigate({
+            sessionID: forked.data!.id,
+            type: "session",
+            prompt,
+          })
+          dialog.clear()
         },
       })
     }

packages/opencode/src/cli/cmd/tui/routes/session/index.tsx

@@ -54,6 +54,7 @@ import { useRenderer, useTerminalDimensions, type JSX } from "@opentui/solid"
 import { useSDK } from "@tui/context/sdk"
 import { useEditorContext } from "@tui/context/editor"
 import { useDialog } from "../../ui/dialog"
+import { DialogAlert } from "../../ui/dialog-alert"
 import { TodoItem } from "../../component/todo-item"
 import { DialogMessage } from "./dialog-message"
 import type { PromptInfo } from "../../component/prompt/history"
@@ -67,7 +68,7 @@ import { LANGUAGE_EXTENSIONS } from "@/lsp/language"
 import parsers from "../../../../../../parsers-config.ts"
 import * as Clipboard from "../../util/clipboard"
 import { errorMessage } from "@/util/error"
-import { useToast } from "../../ui/toast"
+import { Toast, useToast } from "../../ui/toast"
 import { useKV } from "../../context/kv.tsx"
 import * as Editor from "../../util/editor"
 import stripAnsi from "strip-ansi"
@@ -133,12 +134,6 @@ const sessionBindingCommands = [
   "session.toggle.actions",
   "session.toggle.scrollbar",
   "session.toggle.generic_tool_output",
-  "session.page.up",
-  "session.page.down",
-  "session.line.up",
-  "session.line.down",
-  "session.half.page.up",
-  "session.half.page.down",
   "session.first",
   "session.last",
   "session.messages_last_user",
@@ -153,6 +148,17 @@ const sessionBindingCommands = [
   "session.child.previous",
 ] as const
 
+const sessionGlobalBindingCommands = [
+  "session.page.up",
+  "session.page.down",
+  "session.line.up",
+  "session.line.down",
+  "session.half.page.up",
+  "session.half.page.down",
+] as const
+
+const sessionGlobalUnfocusedBindingCommands = ["session.first", "session.last"] as const
+
 const context = createContext<{
   width: number
   sessionID: string
@@ -409,15 +415,19 @@ export function Session() {
 
   const local = useLocal()
 
+  function enterChild(sessionID: string) {
+    navigate({
+      type: "session",
+      sessionID,
+    })
+    const status = sync.data.session_status[sessionID]
+    if (status?.type === "retry") void DialogAlert.show(dialog, "Retry Error", status.message)
+  }
+
   function moveFirstChild() {
     if (children().length === 1) return
     const next = children().find((x) => !!x.parentID)
-    if (next) {
-      navigate({
-        type: "session",
-        sessionID: next.id,
-      })
-    }
+    if (next) enterChild(next.id)
   }
 
   function moveChild(direction: number) {
@@ -428,12 +438,7 @@ export function Session() {
 
     if (next >= sessions.length) next = 0
     if (next < 0) next = sessions.length - 1
-    if (sessions[next]) {
-      navigate({
-        type: "session",
-        sessionID: sessions[next].id,
-      })
-    }
+    if (sessions[next]) enterChild(sessions[next].id)
   }
 
   function childSessionHandler(func: () => void) {
@@ -968,7 +973,10 @@ export function Session() {
             await Editor.open({
               value: transcript,
               renderer,
-              cwd: project.instance.path().worktree || project.instance.directory() || process.cwd(),
+              cwd:
+                (project.instance.path().worktree === "/" ? undefined : project.instance.path().worktree) ||
+                project.instance.directory() ||
+                process.cwd(),
             })
           } else {
             const exportDir = process.cwd()
@@ -981,7 +989,10 @@ export function Session() {
             const result = await Editor.open({
               value: transcript,
               renderer,
-              cwd: project.instance.path().worktree || project.instance.directory() || process.cwd(),
+              cwd:
+                (project.instance.path().worktree === "/" ? undefined : project.instance.path().worktree) ||
+                project.instance.directory() ||
+                process.cwd(),
             })
             if (result !== undefined) {
               await Filesystem.write(filepath, result)
@@ -1001,8 +1012,8 @@ export function Session() {
       category: "Session",
       hidden: true,
       run: () => {
-        moveFirstChild()
         dialog.clear()
+        moveFirstChild()
       },
     },
     {
@@ -1029,8 +1040,8 @@ export function Session() {
       hidden: true,
       enabled: !!session()?.parentID,
       run: childSessionHandler(() => {
-        moveChild(1)
         dialog.clear()
+        moveChild(1)
       }),
     },
     {
@@ -1040,8 +1051,8 @@ export function Session() {
       hidden: true,
       enabled: !!session()?.parentID,
       run: childSessionHandler(() => {
-        moveChild(-1)
         dialog.clear()
+        moveChild(-1)
       }),
     },
   ])
@@ -1061,6 +1072,15 @@ export function Session() {
     commands: sessionCommands(),
   }))
 
+  useBindings(() => ({
+    bindings: tuiConfig.keybinds.gather("session.global", sessionGlobalBindingCommands),
+  }))
+
+  useBindings(() => ({
+    enabled: () => renderer.currentFocusedEditor === null,
+    bindings: tuiConfig.keybinds.gather("session.global.unfocused", sessionGlobalUnfocusedBindingCommands),
+  }))
+
   useBindings(() => ({
     mode: OPENCODE_BASE_MODE,
     bindings: tuiConfig.keybinds.gather("session", sessionBindingCommands),
@@ -1263,6 +1283,7 @@ export function Session() {
                 </Show>
               </box>
             </Show>
+            <Toast />
           </box>
           <Show when={sidebarVisible()}>
             <Switch>
@@ -1574,24 +1595,33 @@ function ReasoningHeader(props: {
       : theme.warning
 
   return (
-    <text fg={fg()} wrapMode="none">
-      <Show when={props.toggleable}>
-        <span>{props.open ? "- " : "+ "}</span>
-      </Show>
-      <span>{props.done ? "Thought" : "Thinking"}</span>
-      <Show when={props.title || props.duration}>
-        <span>: </span>
-      </Show>
-      <Show when={props.title}>
-        <span>{props.title}</span>
-      </Show>
-      <Show when={props.duration}>
-        <span>
-          {props.title ? " · " : ""}
-          {props.duration}
-        </span>
-      </Show>
-    </text>
+    <Switch>
+      <Match when={!props.done}>
+        <box flexDirection="row">
+          <Spinner color={fg()}>{props.title ? "Thinking: " + props.title : "Thinking"}</Spinner>
+        </box>
+      </Match>
+      <Match when={true}>
+        <text fg={fg()} wrapMode="none">
+          <Show when={props.toggleable}>
+            <span>{props.open ? "- " : "+ "}</span>
+          </Show>
+          <span>Thought</span>
+          <Show when={props.title || props.duration}>
+            <span>: </span>
+          </Show>
+          <Show when={props.title}>
+            <span>{props.title}</span>
+          </Show>
+          <Show when={props.duration}>
+            <span>
+              {props.title ? " · " : ""}
+              {props.duration}
+            </span>
+          </Show>
+        </text>
+      </Match>
+    </Switch>
   )
 }
 
@@ -1751,6 +1781,7 @@ function GenericTool(props: ToolProps<any>) {
 function InlineTool(props: {
   icon: string
   iconColor?: RGBA
+  color?: RGBA
   complete: any
   pending: string
   spinner?: boolean
@@ -1772,6 +1803,7 @@ function InlineTool(props: {
   })
 
   const fg = createMemo(() => {
+    if (props.color) return props.color
     if (permission()) return theme.warning
     if (hover() && props.onClick) return theme.text
     if (props.complete) return theme.textMuted
@@ -2056,8 +2088,10 @@ function WebSearch(props: ToolProps<typeof WebSearchTool>) {
 }
 
 function Task(props: ToolProps<typeof TaskTool>) {
+  const { theme } = useTheme()
   const { navigate } = useRoute()
   const sync = useSync()
+  const dialog = useDialog()
 
   onMount(() => {
     if (props.metadata.sessionId && !sync.data.message[props.metadata.sessionId]?.length)
@@ -2079,6 +2113,11 @@ function Task(props: ToolProps<typeof TaskTool>) {
   )
 
   const isRunning = createMemo(() => props.part.state.status === "running")
+  const retry = createMemo(() => {
+    const status = sync.data.session_status[props.metadata.sessionId ?? ""]
+    if (status?.type !== "retry") return
+    return status
+  })
 
   const duration = createMemo(() => {
     const first = messages().find((x) => x.role === "user")?.time.created
@@ -2093,7 +2132,10 @@ function Task(props: ToolProps<typeof TaskTool>) {
       props.metadata.background === true ? `${props.input.description} (background)` : props.input.description
     let content = [`${Locale.titlecase(props.input.subagent_type ?? "General")} Task — ${description}`]
 
-    if (isRunning() && tools().length > 0) {
+    const retrying = retry()
+    if (isRunning() && retrying) {
+      content.push(`↳ ${Locale.truncate(retrying.message, 80)} [retrying attempt #${retrying.attempt}]`)
+    } else if (isRunning() && tools().length > 0) {
       // content[0] += ` · ${tools().length} toolcalls`
       if (current()) {
         const state = current()!.state
@@ -2116,6 +2158,7 @@ function Task(props: ToolProps<typeof TaskTool>) {
   return (
     <InlineTool
       icon="│"
+      color={retry() ? theme.error : undefined}
       spinner={isRunning()}
       complete={props.input.description}
       pending="Delegating..."
@@ -2124,6 +2167,8 @@ function Task(props: ToolProps<typeof TaskTool>) {
         if (props.metadata.sessionId) {
           navigate({ type: "session", sessionID: props.metadata.sessionId })
         }
+        const status = retry()
+        if (status) void DialogAlert.show(dialog, "Retry Error", status.message)
       }}
     >
       {content()}

packages/opencode/src/cli/cmd/tui/ui/dialog-select.tsx

@@ -51,6 +51,7 @@ export interface DialogSelectOption<T = any> {
   title: string
   value: T
   description?: string
+  details?: string[]
   footer?: JSX.Element | string
   category?: string
   categoryView?: JSX.Element
@@ -167,7 +168,7 @@ export function DialogSelect<T>(props: DialogSelectProps<T>) {
       if (!category) return acc
       return acc + (i > 0 ? 2 : 1)
     }, 0)
-    return flat().length + headers
+    return flat().reduce((acc, option) => acc + 1 + (option.details?.length ?? 0), headers)
   })
 
   const dimensions = useTerminalDimensions()
@@ -426,7 +427,7 @@ export function DialogSelect<T>(props: DialogSelectProps<T>) {
                     return (
                       <box
                         id={JSON.stringify(option.value)}
-                        flexDirection="row"
+                        flexDirection="column"
                         position="relative"
                         onMouseMove={() => {
                           setStore("input", "mouse")
@@ -446,24 +447,37 @@ export function DialogSelect<T>(props: DialogSelectProps<T>) {
                           if (index === -1) return
                           moveTo(index)
                         }}
-                        backgroundColor={active() ? (option.bg ?? theme.primary) : RGBA.fromInts(0, 0, 0, 0)}
-                        paddingLeft={current() || option.gutter ? 1 : 3}
-                        paddingRight={3}
-                        gap={1}
                       >
-                        <Show when={!current() && option.margin}>
-                          <box position="absolute" left={1} flexShrink={0}>
-                            {option.margin}
-                          </box>
-                        </Show>
-                        <Option
-                          title={option.title}
-                          footer={flatten() ? (option.category ?? option.footer) : option.footer}
-                          description={option.description !== category ? option.description : undefined}
-                          active={active()}
-                          current={current()}
-                          gutter={option.gutter}
-                        />
+                        <box
+                          flexDirection="row"
+                          paddingLeft={current() || option.gutter ? 1 : 3}
+                          paddingRight={3}
+                          gap={1}
+                          backgroundColor={active() ? (option.bg ?? theme.primary) : RGBA.fromInts(0, 0, 0, 0)}
+                        >
+                          <Show when={!current() && option.margin}>
+                            <box position="absolute" left={1} flexShrink={0}>
+                              {option.margin}
+                            </box>
+                          </Show>
+                          <Option
+                            title={option.title}
+                            footer={flatten() ? (option.category ?? option.footer) : option.footer}
+                            description={option.description !== category ? option.description : undefined}
+                            active={active()}
+                            current={current()}
+                            gutter={option.gutter}
+                          />
+                        </box>
+                        <For each={option.details}>
+                          {(detail) => (
+                            <box paddingLeft={3} paddingRight={3}>
+                              <text fg={theme.textMuted} wrapMode="none">
+                                {Locale.truncateMiddle(detail, Math.max(1, Math.min(76, dimensions().width - 12)))}
+                              </text>
+                            </box>
+                          )}
+                        </For>
                       </box>
                     )
                   }}

packages/opencode/src/config/provider.ts

@@ -90,13 +90,20 @@ export const Info = Schema.Struct({
           description: "Enable promptCacheKey for this provider (default false)",
         }),
         timeout: Schema.optional(
+          Schema.Union([PositiveInt, Schema.Literal(false)]).annotate({
+            description: "Timeout in milliseconds for full requests to this provider. Set to false to disable timeout.",
+          }),
+        ).annotate({
+          description: "Timeout in milliseconds for full requests to this provider. Set to false to disable timeout.",
+        }),
+        headerTimeout: Schema.optional(
           Schema.Union([PositiveInt, Schema.Literal(false)]).annotate({
             description:
-              "Timeout in milliseconds for requests to this provider. Default is 300000 (5 minutes). Set to false to disable timeout.",
+              "Timeout in milliseconds to wait for response headers. Provider integrations may set defaults. Set to false to disable timeout.",
           }),
         ).annotate({
           description:
-            "Timeout in milliseconds for requests to this provider. Default is 300000 (5 minutes). Set to false to disable timeout.",
+            "Timeout in milliseconds to wait for response headers. Provider integrations may set defaults. Set to false to disable timeout.",
         }),
         chunkTimeout: Schema.optional(PositiveInt).annotate({
           description:

packages/opencode/src/effect/runtime-flags.ts

@@ -54,6 +54,7 @@ export class Service extends ConfigService.Service<Service>()("@opencode/Runtime
   outputTokenMax: positiveInteger("OPENCODE_EXPERIMENTAL_OUTPUT_TOKEN_MAX"),
   bashDefaultTimeoutMs: positiveInteger("OPENCODE_EXPERIMENTAL_BASH_DEFAULT_TIMEOUT_MS"),
   experimentalNativeLlm: bool("OPENCODE_EXPERIMENTAL_NATIVE_LLM"),
+  experimentalWebSockets: bool("OPENCODE_EXPERIMENTAL_WEBSOCKETS"),
   client: Config.string("OPENCODE_CLIENT").pipe(Config.withDefault("cli")),
 }) {}
 

packages/opencode/src/plugin/index.ts

@@ -10,7 +10,7 @@ import { Bus } from "../bus"
 import * as Log from "@opencode-ai/core/util/log"
 import { createOpencodeClient } from "@opencode-ai/sdk"
 import { ServerAuth } from "@/server/auth"
-import { CodexAuthPlugin } from "./codex"
+import { CodexAuthPlugin } from "./openai/codex"
 import { Session } from "@/session/session"
 import { NamedError } from "@opencode-ai/core/util/error"
 import { CopilotAuthPlugin } from "./github-copilot/copilot"
@@ -29,6 +29,7 @@ import { parsePluginSpecifier, readPluginId, readV1Plugin, resolvePluginId } fro
 import { registerAdapter } from "@/control-plane/adapters"
 import type { WorkspaceAdapter } from "@/control-plane/types"
 import { RuntimeFlags } from "@/effect/runtime-flags"
+import { InstallationChannel } from "@opencode-ai/core/installation/version"
 
 const log = Log.create({ service: "plugin" })
 
@@ -57,18 +58,28 @@ export interface Interface {
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/Plugin") {}
 
+export function experimentalWebSocketsEnabled(input: { enabled: boolean; channel?: string }) {
+  return input.enabled || ["local", "dev", "beta"].includes(input.channel ?? InstallationChannel)
+}
+
 // Built-in plugins that are directly imported (not installed from npm)
-const INTERNAL_PLUGINS: PluginInstance[] = [
-  CodexAuthPlugin,
-  CopilotAuthPlugin,
-  GitlabAuthPlugin,
-  PoeAuthPlugin,
-  CloudflareWorkersAuthPlugin,
-  CloudflareAIGatewayAuthPlugin,
-  AzureAuthPlugin,
-  DigitalOceanAuthPlugin,
-  XaiAuthPlugin,
-]
+function internalPlugins(flags: RuntimeFlags.Info): PluginInstance[] {
+  return [
+    // Temporary rollout: pre-release builds use WebSockets by default; releases require explicit opt-in.
+    (input) =>
+      CodexAuthPlugin(input, {
+        experimentalWebSockets: experimentalWebSocketsEnabled({ enabled: flags.experimentalWebSockets }),
+      }),
+    CopilotAuthPlugin,
+    GitlabAuthPlugin,
+    PoeAuthPlugin,
+    CloudflareWorkersAuthPlugin,
+    CloudflareAIGatewayAuthPlugin,
+    AzureAuthPlugin,
+    DigitalOceanAuthPlugin,
+    XaiAuthPlugin,
+  ]
+}
 
 function isServerPlugin(value: unknown): value is PluginInstance {
   return typeof value === "function"
@@ -151,7 +162,7 @@ export const layer = Layer.effect(
           $: typeof Bun === "undefined" ? undefined : Bun.$,
         }
 
-        for (const plugin of flags.disableDefaultPlugins ? [] : INTERNAL_PLUGINS) {
+        for (const plugin of flags.disableDefaultPlugins ? [] : internalPlugins(flags)) {
           log.info("loading internal plugin", { name: plugin.name })
           const init = yield* Effect.tryPromise({
             try: () => plugin(input),
@@ -244,6 +255,20 @@ export const layer = Layer.effect(
           }).pipe(Effect.ignore)
         }
 
+        yield* Effect.addFinalizer(() =>
+          Effect.forEach(
+            hooks,
+            (hook) =>
+              Effect.tryPromise({
+                try: () => Promise.resolve(hook.dispose?.()),
+                catch: (error) => {
+                  log.error("plugin dispose hook failed", { error })
+                },
+              }).pipe(Effect.ignore),
+            { discard: true },
+          ),
+        )
+
         // Subscribe to bus events, fiber interrupted when scope closes
         yield* (yield* bus.subscribeAll()).pipe(
           Stream.runForEach((input) =>

packages/opencode/src/plugin/openai/README.md

@@ -0,0 +1,31 @@
+# OpenAI Responses WebSocket
+
+Enabled by default on `local`, `dev`, and `beta`. On `latest` and `prod`, set `OPENCODE_EXPERIMENTAL_WEBSOCKETS=true`.
+
+## Flow
+
+1. A streamed `POST /responses` request arrives.
+2. If it has no `session-id` or `x-session-affinity` header, use HTTP.
+3. Title requests use HTTP.
+4. If that session's socket is busy or already in fallback mode, use HTTP.
+5. Otherwise, reuse its open socket or open a new one.
+6. Send `response.create` and return WebSocket events as SSE.
+
+## Lifetime
+
+- Connect timeout: 15 seconds.
+- Idle timeout: 5 minutes.
+- After a completed response, keep the socket for reuse.
+- Reuse a socket for up to 55 minutes, then replace it on the next request.
+
+## Retries
+
+- Retry WebSocket stream/setup failures up to 5 times, then use HTTP for that session until the pool entry is idle-pruned.
+- `websocket_connection_limit_reached` consumes the same retry budget and HTTP fallback.
+- If a WebSocket fails after its first event, fail it as retryable rather than replaying partial output in transport.
+- Abort or cancel closes the socket.
+
+## Next Steps
+
+- `previous_response_id` continuation.
+- Optional second WebSocket for concurrent requests in one session. Currently these use HTTP.

packages/opencode/src/plugin/openai/codex.ts

@@ -1,10 +1,11 @@
 import type { Hooks, PluginInput } from "@opencode-ai/plugin"
 import * as Log from "@opencode-ai/core/util/log"
 import { InstallationVersion } from "@opencode-ai/core/installation/version"
-import { OAUTH_DUMMY_KEY } from "../auth"
+import { OAUTH_DUMMY_KEY } from "../../auth"
 import os from "os"
 import { setTimeout as sleep } from "node:timers/promises"
 import { createServer } from "http"
+import { OpenAIWebSocketPool } from "./ws-pool"
 
 const log = Log.create({ service: "plugin.codex" })
 
@@ -28,20 +29,12 @@ interface PkceCodes {
 }
 
 async function generatePKCE(): Promise<PkceCodes> {
-  const verifier = generateRandomString(43)
-  const encoder = new TextEncoder()
-  const data = encoder.encode(verifier)
-  const hash = await crypto.subtle.digest("SHA-256", data)
-  const challenge = base64UrlEncode(hash)
-  return { verifier, challenge }
-}
-
-function generateRandomString(length: number): string {
   const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~"
-  const bytes = crypto.getRandomValues(new Uint8Array(length))
-  return Array.from(bytes)
+  const verifier = Array.from(crypto.getRandomValues(new Uint8Array(43)))
     .map((b) => chars[b % chars.length])
     .join("")
+  const challenge = base64UrlEncode(await crypto.subtle.digest("SHA-256", new TextEncoder().encode(verifier)))
+  return { verifier, challenge }
 }
 
 function base64UrlEncode(buffer: ArrayBuffer): string {
@@ -50,10 +43,6 @@ function base64UrlEncode(buffer: ArrayBuffer): string {
   return btoa(binary).replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/, "")
 }
 
-function generateState(): string {
-  return base64UrlEncode(crypto.getRandomValues(new Uint8Array(32)).buffer)
-}
-
 export interface IdTokenClaims {
   chatgpt_account_id?: string
   organizations?: Array<{ id: string }>
@@ -120,6 +109,7 @@ interface TokenResponse {
 interface CodexAuthPluginOptions {
   issuer?: string
   codexApiEndpoint?: string
+  experimentalWebSockets?: boolean
 }
 
 async function exchangeCodeForTokens(code: string, redirectUri: string, pkce: PkceCodes): Promise<TokenResponse> {
@@ -371,8 +361,14 @@ function waitForOAuthCallback(pkce: PkceCodes, state: string): Promise<TokenResp
 export async function CodexAuthPlugin(input: PluginInput, options: CodexAuthPluginOptions = {}): Promise<Hooks> {
   const issuer = options.issuer ?? ISSUER
   const codexApiEndpoint = options.codexApiEndpoint ?? CODEX_API_ENDPOINT
+  let websocketFetchInstalled = false
+  const websocketFetches: Array<ReturnType<typeof OpenAIWebSocketPool.createWebSocketFetch>> = []
 
   return {
+    async dispose() {
+      for (const websocketFetch of websocketFetches) websocketFetch.close()
+      websocketFetches.length = 0
+    },
     provider: {
       id: "openai",
       async models(provider, ctx) {
@@ -410,7 +406,14 @@ export async function CodexAuthPlugin(input: PluginInput, options: CodexAuthPlug
       provider: "openai",
       async loader(getAuth) {
         const auth = await getAuth()
-        if (auth.type !== "oauth") return {}
+        const websocketFetch = options.experimentalWebSockets
+          ? OpenAIWebSocketPool.createWebSocketFetch({ httpFetch: fetch })
+          : undefined
+        if (websocketFetch) {
+          websocketFetches.push(websocketFetch)
+          websocketFetchInstalled = true
+        }
+        if (auth.type !== "oauth") return websocketFetch ? { fetch: websocketFetch } : {}
 
         let refreshPromise:
           | Promise<{
@@ -422,7 +425,6 @@ export async function CodexAuthPlugin(input: PluginInput, options: CodexAuthPlug
         return {
           apiKey: OAUTH_DUMMY_KEY,
           async fetch(requestInput: RequestInfo | URL, init?: RequestInit) {
-            // Remove dummy API key authorization header
             if (init?.headers) {
               if (init.headers instanceof Headers) {
                 init.headers.delete("authorization")
@@ -436,12 +438,11 @@ export async function CodexAuthPlugin(input: PluginInput, options: CodexAuthPlug
             }
 
             const currentAuth = await getAuth()
-            if (currentAuth.type !== "oauth") return fetch(requestInput, init)
+            if (currentAuth.type !== "oauth")
+              return websocketFetch ? websocketFetch(requestInput, init) : fetch(requestInput, init)
 
-            // Cast to include accountId field
             const authWithAccount = currentAuth as typeof currentAuth & { accountId?: string }
 
-            // Check if token needs refresh
             if (!currentAuth.access || currentAuth.expires < Date.now()) {
               if (!refreshPromise) {
                 log.info("refreshing codex access token")
@@ -473,7 +474,6 @@ export async function CodexAuthPlugin(input: PluginInput, options: CodexAuthPlug
               authWithAccount.accountId = refreshed.accountId
             }
 
-            // Build headers
             const headers = new Headers()
             if (init?.headers) {
               if (init.headers instanceof Headers) {
@@ -488,16 +488,11 @@ export async function CodexAuthPlugin(input: PluginInput, options: CodexAuthPlug
                 }
               }
             }
-
-            // Set authorization header with access token
             headers.set("authorization", `Bearer ${currentAuth.access}`)
-
-            // Set ChatGPT-Account-Id header for organization subscriptions
             if (authWithAccount.accountId) {
               headers.set("ChatGPT-Account-Id", authWithAccount.accountId)
             }
 
-            // Rewrite URL to Codex endpoint
             const parsed =
               requestInput instanceof URL
                 ? requestInput
@@ -507,10 +502,12 @@ export async function CodexAuthPlugin(input: PluginInput, options: CodexAuthPlug
                 ? new URL(codexApiEndpoint)
                 : parsed
 
-            return fetch(url, {
+            const requestInit = {
               ...init,
               headers,
-            })
+            }
+            if (websocketFetch && parsed.pathname.endsWith("/responses")) return websocketFetch(url, requestInit)
+            return fetch(url, OpenAIWebSocketPool.withoutInternalHeaders(requestInit))
           },
         }
       },
@@ -521,7 +518,7 @@ export async function CodexAuthPlugin(input: PluginInput, options: CodexAuthPlug
           authorize: async () => {
             const { redirectUri } = await startOAuthServer()
             const pkce = await generatePKCE()
-            const state = generateState()
+            const state = base64UrlEncode(crypto.getRandomValues(new Uint8Array(32)).buffer)
             const authUrl = buildAuthorizeUrl(redirectUri, pkce, state)
 
             const callbackPromise = waitForOAuthCallback(pkce, state)
@@ -638,7 +635,11 @@ export async function CodexAuthPlugin(input: PluginInput, options: CodexAuthPlug
       if (input.model.providerID !== "openai") return
       output.headers.originator = "opencode"
       output.headers["User-Agent"] = `opencode/${InstallationVersion} (${os.platform()} ${os.release()}; ${os.arch()})`
-      output.headers.session_id = input.sessionID
+      output.headers["session-id"] = input.sessionID
+      // Temporary fetch-layer hack: title generation currently shares the conversation
+      // session ID, so the OpenAI plugin marks it for HTTP fallback until transport
+      // context can be passed directly instead of smuggled through headers.
+      if (websocketFetchInstalled && input.agent === "title") output.headers[OpenAIWebSocketPool.TITLE_HEADER] = "true"
     },
     "chat.params": async (input, output) => {
       if (input.model.providerID !== "openai") return

packages/opencode/src/plugin/openai/ws-pool.ts

@@ -0,0 +1,272 @@
+import WebSocket from "ws"
+import * as Log from "@opencode-ai/core/util/log"
+import { ProviderError } from "@/provider/error"
+import { isRecord } from "@/util/record"
+import { OpenAIWebSocket } from "./ws"
+
+export const TITLE_HEADER = "x-opencode-title"
+
+const log = Log.create({ service: "plugin.openai.ws" })
+
+export interface CreateWebSocketFetchOptions {
+  httpFetch?: typeof globalThis.fetch
+  url?: string
+  connectTimeout?: number
+  idleTimeout?: number
+  maxConnectionAge?: number
+  streamRetries?: number
+}
+
+interface PoolEntry {
+  socket?: WebSocket
+  connectedAt?: number
+  lastUsedAt: number
+  busy: boolean
+  fallback: boolean
+  streamFailures: number
+}
+
+const DEFAULT_CONNECT_TIMEOUT = 15_000
+const DEFAULT_IDLE_TIMEOUT = 5 * 60 * 1000
+const DEFAULT_MAX_CONNECTION_AGE = 55 * 60 * 1000
+const CONNECTION_LIMIT_REACHED_CODE = "websocket_connection_limit_reached"
+
+export function createWebSocketFetch(options?: CreateWebSocketFetchOptions) {
+  const httpFetch = options?.httpFetch ?? globalThis.fetch
+  const pool = new Map<string, PoolEntry>()
+  const connectTimeout = options?.connectTimeout ?? DEFAULT_CONNECT_TIMEOUT
+  const idleTimeout = options?.idleTimeout ?? DEFAULT_IDLE_TIMEOUT
+  const maxConnectionAge = options?.maxConnectionAge ?? DEFAULT_MAX_CONNECTION_AGE
+  const streamRetries = options?.streamRetries ?? 5
+  const pruneTimer = setInterval(() => prune(), Math.min(idleTimeout, 60_000))
+  if (typeof pruneTimer === "object" && "unref" in pruneTimer && typeof pruneTimer.unref === "function") {
+    pruneTimer.unref()
+  }
+
+  async function websocketFetch(input: RequestInfo | URL, init?: RequestInit): Promise<Response> {
+    const url = input instanceof URL ? input.toString() : typeof input === "string" ? input : input.url
+    const internalHeaders = OpenAIWebSocket.normalizeHeaders(init?.headers)
+    const httpInit = withoutInternalHeaders(init)
+
+    if (init?.method !== "POST" || !new URL(url).pathname.endsWith("/responses")) {
+      return httpFetch(input, httpInit)
+    }
+
+    const body = (() => {
+      try {
+        if (typeof init?.body !== "string") return undefined
+        const parsed = JSON.parse(init.body)
+        return typeof parsed === "object" && parsed !== null ? parsed : undefined
+      } catch {
+        return undefined
+      }
+    })()
+    if (!body?.stream) return httpFetch(input, httpInit)
+    if (internalHeaders[TITLE_HEADER] === "true") {
+      log.debug("http fallback", { reason: "title" })
+      return httpFetch(input, httpInit)
+    }
+
+    const sessionID = internalHeaders["x-session-affinity"] ?? internalHeaders["session-id"]
+    if (!sessionID) {
+      log.debug("http fallback", { reason: "missing_session" })
+      return httpFetch(input, httpInit)
+    }
+    const key = `${sessionID}:conversation`
+
+    const entry = pool.get(key) ?? { lastUsedAt: Date.now(), busy: false, fallback: false, streamFailures: 0 }
+    pool.set(key, entry)
+
+    if (entry.fallback) {
+      log.debug("http fallback", { key, reason: "fallback_active" })
+      return httpFetch(input, httpInit)
+    }
+    if (entry.busy) {
+      log.debug("http fallback", { key, reason: "busy" })
+      return httpFetch(input, httpInit)
+    }
+
+    entry.busy = true
+    entry.lastUsedAt = Date.now()
+    try {
+      entry.socket = await socket(
+        entry,
+        options?.url ?? url,
+        OpenAIWebSocket.normalizeHeaders(httpInit?.headers),
+        connectTimeout,
+        maxConnectionAge,
+        init?.signal,
+      )
+      let resolveFirstEvent: (started: boolean) => void = () => {}
+      let rejectFirstEvent: (error: Error) => void = () => {}
+      const firstEvent = new Promise<boolean>((resolve, reject) => {
+        resolveFirstEvent = resolve
+        rejectFirstEvent = reject
+      })
+      const response = OpenAIWebSocket.streamResponsesWebSocket({
+        socket: entry.socket,
+        body,
+        idleTimeout,
+        signal: init?.signal ?? undefined,
+        onFirstEvent: () => resolveFirstEvent(true),
+        onTerminal: (event) => {
+          entry.busy = false
+          entry.lastUsedAt = Date.now()
+          entry.streamFailures = 0
+          if (event.type !== "response.completed" && event.type !== "response.done") {
+            log.warn("websocket terminal failure", { key, type: event.type })
+            invalidate(entry)
+          }
+        },
+        onConnectionInvalid: (error) => {
+          log.warn("websocket invalidated", { key, error: error.message })
+          entry.busy = false
+          if (!entry.fallback) recordStreamFailure(entry)
+          invalidate(entry)
+          resolveFirstEvent(false)
+        },
+        onAbort: (error) => {
+          log.debug("websocket aborted", { key })
+          entry.busy = false
+          entry.lastUsedAt = Date.now()
+          entry.streamFailures = 0
+          invalidate(entry)
+          rejectFirstEvent(error)
+        },
+        onRetryableTerminal: async (event) => {
+          const error = connectionLimitError(event)
+          if (!error) return undefined
+          log.warn("websocket connection limit reached", { key })
+          throw error
+        },
+      })
+      if (await firstEvent) return response
+      if (!entry.fallback) return response
+      log.debug("http fallback", { key, reason: "websocket_retries_exhausted" })
+      return httpFetch(input, httpInit)
+    } catch (error) {
+      entry.busy = false
+      entry.lastUsedAt = Date.now()
+      if (OpenAIWebSocket.isAbortError(error)) {
+        entry.streamFailures = 0
+        invalidate(entry)
+        throw error
+      }
+
+      recordStreamFailure(entry)
+      log.warn("websocket setup failed", {
+        key,
+        error: error instanceof Error ? error.message : String(error),
+        fallback: entry.fallback ? "http" : undefined,
+      })
+      invalidate(entry)
+      if (entry.fallback) return httpFetch(input, httpInit)
+      return failedResponse(
+        new ProviderError.ResponseStreamError(error instanceof Error ? error.message : String(error), {
+          cause: error,
+        }),
+      )
+    }
+  }
+
+  function recordStreamFailure(entry: PoolEntry) {
+    entry.streamFailures++
+    // Codex counts retries after the initial failed WebSocket attempt.
+    if (entry.streamFailures > streamRetries) entry.fallback = true
+  }
+
+  function prune() {
+    const now = Date.now()
+    for (const [key, entry] of pool) {
+      if (entry.busy) continue
+      if (now - entry.lastUsedAt < idleTimeout) continue
+      log.debug("websocket idle prune", { key })
+      invalidate(entry)
+      pool.delete(key)
+    }
+  }
+
+  function close() {
+    log.debug("websocket pool close", { count: pool.size })
+    clearInterval(pruneTimer)
+    for (const entry of pool.values()) invalidate(entry)
+    pool.clear()
+  }
+
+  return Object.assign(websocketFetch, { close })
+}
+
+function connectionLimitError(event: Record<string, unknown>) {
+  if (event.type !== "error" || !isRecord(event.error) || event.error.code !== CONNECTION_LIMIT_REACHED_CODE) return
+  return new Error(typeof event.error.message === "string" ? event.error.message : CONNECTION_LIMIT_REACHED_CODE)
+}
+
+function failedResponse(error: ProviderError.ResponseStreamError) {
+  return new Response(
+    new ReadableStream({
+      start(controller) {
+        controller.error(error)
+      },
+    }),
+    {
+      status: 200,
+      headers: { "content-type": "text/event-stream" },
+    },
+  )
+}
+
+async function socket(
+  entry: PoolEntry,
+  url: string,
+  headers: Record<string, string>,
+  connectTimeout: number,
+  maxConnectionAge: number,
+  signal?: AbortSignal | null,
+) {
+  if (
+    entry.socket?.readyState === WebSocket.OPEN &&
+    entry.connectedAt &&
+    Date.now() - entry.connectedAt < maxConnectionAge
+  ) {
+    return entry.socket
+  }
+
+  invalidate(entry)
+  const next = await OpenAIWebSocket.connectResponsesWebSocket({
+    url: OpenAIWebSocket.toWebSocketUrl(url),
+    headers,
+    timeout: connectTimeout,
+    signal: signal ?? undefined,
+  })
+  entry.connectedAt = Date.now()
+  return next
+}
+
+function invalidate(entry: PoolEntry) {
+  if (entry.socket) {
+    entry.socket.on("error", () => {})
+    entry.socket.terminate()
+    entry.socket = undefined
+  }
+  entry.connectedAt = undefined
+}
+
+export function withoutInternalHeaders<T extends { headers?: HeadersInit }>(init: T | undefined): T | undefined {
+  if (!init?.headers) return init
+  if (init.headers instanceof Headers) {
+    const headers = new Headers(init.headers)
+    headers.delete(TITLE_HEADER)
+    return { ...init, headers }
+  }
+
+  if (Array.isArray(init.headers)) {
+    return { ...init, headers: init.headers.filter((item) => item[0].toLowerCase() !== TITLE_HEADER) }
+  }
+
+  return {
+    ...init,
+    headers: Object.fromEntries(Object.entries(init.headers).filter(([key]) => key.toLowerCase() !== TITLE_HEADER)),
+  }
+}
+
+export * as OpenAIWebSocketPool from "./ws-pool"

packages/opencode/src/plugin/openai/ws.ts

@@ -0,0 +1,326 @@
+// Low-level OpenAI Responses WebSocket protocol helpers. Session pooling,
+// fallback, and continuation state intentionally live above this file.
+
+import WebSocket from "ws"
+import { ProviderError } from "@/provider/error"
+
+export const PROTOCOL_HEADER = "responses_websockets=2026-02-06"
+
+export interface ConnectResponsesWebSocketOptions {
+  url: string
+  headers: Record<string, string>
+  timeout?: number
+  signal?: AbortSignal
+}
+
+export interface StreamResponsesWebSocketOptions {
+  socket: WebSocket
+  body: Record<string, unknown>
+  idleTimeout?: number
+  signal?: AbortSignal
+  onFirstEvent?: () => void
+  onComplete?: (event: Record<string, unknown>) => void
+  onTerminal?: (event: Record<string, unknown>) => void
+  onRetryableTerminal?: (event: Record<string, unknown>) => Promise<WebSocket | undefined>
+  onConnectionInvalid?: (error: ProviderError.ResponseStreamError) => void
+  onAbort?: (error: Error) => void
+}
+
+export function toWebSocketUrl(url: string) {
+  return url.replace(/^http/, "ws")
+}
+
+export function normalizeHeaders(headers: HeadersInit | undefined): Record<string, string> {
+  const result: Record<string, string> = {}
+  if (!headers) return result
+
+  if (headers instanceof Headers) {
+    headers.forEach((value, key) => {
+      result[key.toLowerCase()] = value
+    })
+    return result
+  }
+
+  if (Array.isArray(headers)) {
+    for (const [key, value] of headers) {
+      result[key.toLowerCase()] = value
+    }
+    return result
+  }
+
+  for (const [key, value] of Object.entries(headers)) {
+    if (value != null) result[key.toLowerCase()] = value
+  }
+  return result
+}
+
+export function isAbortError(error: unknown): error is DOMException {
+  return error instanceof DOMException && error.name === "AbortError"
+}
+
+export function connectResponsesWebSocket(options: ConnectResponsesWebSocketOptions) {
+  return new Promise<WebSocket>((resolve, reject) => {
+    if (options.signal?.aborted) {
+      reject(abortError(options.signal))
+      return
+    }
+
+    const headers: Record<string, string> = {
+      ...options.headers,
+      "openai-beta": options.headers["openai-beta"] ?? PROTOCOL_HEADER,
+    }
+    delete headers["content-length"]
+
+    const socket = new WebSocket(options.url, { headers })
+    const timeout = options.timeout
+      ? setTimeout(() => {
+          cleanup()
+          socket.on("error", () => {})
+          socket.terminate()
+          reject(new Error("WebSocket connect timed out"))
+        }, options.timeout)
+      : undefined
+
+    function cleanup() {
+      if (timeout) clearTimeout(timeout)
+      socket.off("open", onOpen)
+      socket.off("error", onError)
+      socket.off("close", onClose)
+      options.signal?.removeEventListener("abort", onAbort)
+    }
+
+    function onOpen() {
+      cleanup()
+      resolve(socket)
+    }
+
+    function onError(error: Error) {
+      socket.on("error", () => {})
+      cleanup()
+      reject(error)
+    }
+
+    function onClose(code: number, reason: Buffer) {
+      cleanup()
+      reject(new Error(closeMessage("WebSocket closed before open", code, reason)))
+    }
+
+    function onAbort() {
+      cleanup()
+      socket.on("error", () => {})
+      socket.terminate()
+      reject(abortError(options.signal))
+    }
+
+    socket.once("open", onOpen)
+    socket.once("error", onError)
+    socket.once("close", onClose)
+    options.signal?.addEventListener("abort", onAbort, { once: true })
+  })
+}
+
+export function streamResponsesWebSocket(options: StreamResponsesWebSocketOptions) {
+  const encoder = new TextEncoder()
+
+  let socket = options.socket
+  let controller: ReadableStreamDefaultController<Uint8Array> | undefined
+  let cleanupSocket = () => {}
+  let completed = false
+  let emitted = false
+  let idleTimer: ReturnType<typeof setTimeout> | undefined
+
+  function cleanup() {
+    if (idleTimer) clearTimeout(idleTimer)
+    cleanupSocket()
+    options.signal?.removeEventListener("abort", onAbort)
+  }
+
+  function terminateSocket(target = socket) {
+    target.on("error", () => {})
+    target.terminate()
+  }
+
+  function closeCompleted() {
+    cleanup()
+    controller?.enqueue(encoder.encode("data: [DONE]\n\n"))
+    controller?.close()
+  }
+
+  function invalidate(error: ProviderError.ResponseStreamError) {
+    if (completed) return
+    completed = true
+    cleanup()
+    options.onConnectionInvalid?.(error)
+    controller?.error(error)
+  }
+
+  function resetIdleTimeout(message: string) {
+    if (completed) return
+    if (!options.idleTimeout) return
+    if (idleTimer) clearTimeout(idleTimer)
+    idleTimer = setTimeout(() => invalidate(new ProviderError.ResponseStreamError(message)), options.idleTimeout)
+  }
+
+  async function onMessage(data: WebSocket.RawData, isBinary: boolean) {
+    if (completed) return
+    if (isBinary) {
+      invalidate(new ProviderError.ResponseStreamError("Unexpected binary WebSocket frame"))
+      return
+    }
+
+    const text = data.toString()
+    const event = (() => {
+      try {
+        const parsed = JSON.parse(text)
+        return typeof parsed === "object" && parsed !== null ? parsed : undefined
+      } catch {
+        return undefined
+      }
+    })()
+
+    if (event?.type === "error" && !emitted && options.onRetryableTerminal) {
+      cleanupSocket()
+      if (idleTimer) clearTimeout(idleTimer)
+      idleTimer = undefined
+      try {
+        const next = await options.onRetryableTerminal(event)
+        if (completed) {
+          if (next) terminateSocket(next)
+          return
+        }
+        if (next) {
+          attach(next)
+          return
+        }
+      } catch (error) {
+        invalidate(
+          new ProviderError.ResponseStreamError(error instanceof Error ? error.message : String(error), {
+            cause: error,
+          }),
+        )
+        return
+      }
+    }
+
+    if (!emitted) options.onFirstEvent?.()
+    controller?.enqueue(
+      encoder.encode(
+        `${text
+          .split(/\r?\n/)
+          .map((line) => `data: ${line}`)
+          .join("\n")}\n\n`,
+      ),
+    )
+    emitted = true
+    resetIdleTimeout("idle timeout waiting for websocket")
+
+    if (!event) return
+
+    if (event.type === "response.completed" || event.type === "response.done") {
+      completed = true
+      options.onComplete?.(event)
+      options.onTerminal?.(event)
+      closeCompleted()
+      return
+    }
+
+    if (event.type === "response.failed" || event.type === "response.incomplete" || event.type === "error") {
+      completed = true
+      options.onTerminal?.(event)
+      closeCompleted()
+    }
+  }
+
+  function onError(error: Error) {
+    invalidate(new ProviderError.ResponseStreamError(error.message, { cause: error }))
+  }
+
+  function onClose(code: number, reason: Buffer) {
+    if (completed) return
+    invalidate(
+      new ProviderError.ResponseStreamError(closeMessage("WebSocket closed before response.completed", code, reason)),
+    )
+  }
+
+  function onAbort() {
+    const error = abortError(options.signal)
+    if (completed) return
+    completed = true
+    cleanup()
+    terminateSocket()
+    options.onAbort?.(error)
+    controller?.error(error)
+  }
+
+  function onCancel(reason: unknown) {
+    if (completed) return
+    completed = true
+    cleanup()
+    terminateSocket()
+    options.onAbort?.(cancelError(reason))
+  }
+
+  function attach(next: WebSocket) {
+    cleanupSocket()
+    socket = next
+    socket.on("message", onMessage)
+    socket.once("error", onError)
+    socket.once("close", onClose)
+    cleanupSocket = () => {
+      socket.off("message", onMessage)
+      socket.off("error", onError)
+      socket.off("close", onClose)
+    }
+    const { stream: _stream, background: _background, ...payload } = options.body
+    resetIdleTimeout("idle timeout sending websocket request")
+    socket.send(JSON.stringify({ type: "response.create", ...payload }), (error) => {
+      if (completed) return
+      resetIdleTimeout("idle timeout waiting for websocket")
+      if (error) invalidate(new ProviderError.ResponseStreamError(error.message, { cause: error }))
+    })
+  }
+
+  return new Response(
+    new ReadableStream<Uint8Array>({
+      start(next) {
+        controller = next
+        options.signal?.addEventListener("abort", onAbort, { once: true })
+
+        if (options.signal?.aborted) {
+          onAbort()
+          return
+        }
+
+        attach(socket)
+      },
+      cancel(reason) {
+        onCancel(reason)
+      },
+    }),
+    {
+      status: 200,
+      headers: { "content-type": "text/event-stream" },
+    },
+  )
+}
+
+function cancelError(reason: unknown) {
+  if (isAbortError(reason)) return reason
+  if (reason instanceof Error) return reason
+  return new DOMException(typeof reason === "string" ? reason : "Aborted", "AbortError")
+}
+
+function abortError(signal: AbortSignal | undefined) {
+  const reason = signal?.reason
+  if (isAbortError(reason)) return reason
+  return new DOMException(reason instanceof Error ? reason.message : "Aborted", "AbortError")
+}
+
+function closeMessage(message: string, code: number, reason: Buffer) {
+  const details = [`code ${code}`]
+  if (code === 1009) details.push("message too big")
+  if (reason.length > 0) details.push(reason.toString())
+  return `${message} (${details.join(": ")})`
+}
+
+export * as OpenAIWebSocket from "./ws"

packages/opencode/src/provider/error.ts

@@ -3,6 +3,22 @@ import { STATUS_CODES } from "http"
 import { iife } from "@/util/iife"
 import type { ProviderID } from "./schema"
 
+export class HeaderTimeoutError extends Error {
+  public override readonly name = "ProviderHeaderTimeoutError"
+
+  constructor(public readonly ms: number) {
+    super(`Provider response headers timed out after ${ms}ms`)
+  }
+}
+
+export class ResponseStreamError extends Error {
+  public override readonly name = "ProviderResponseStreamError"
+
+  constructor(message: string, options?: ErrorOptions) {
+    super(message, options)
+  }
+}
+
 // Adapted from overflow detection patterns in:
 // https://github.com/badlogic/pi-mono/blob/main/packages/ai/src/utils/overflow.ts
 const OVERFLOW_PATTERNS = [

packages/opencode/src/provider/provider.ts

@@ -28,9 +28,10 @@ import * as ProviderTransform from "./transform"
 import { ModelID, ProviderID } from "./schema"
 import { ModelStatus } from "./model-status"
 import { RuntimeFlags } from "@/effect/runtime-flags"
+import { ProviderError } from "./error"
 
 const log = Log.create({ service: "provider" })
-
+const OPENAI_HEADER_TIMEOUT_DEFAULT = 10_000
 function shouldUseCopilotResponsesApi(modelID: string): boolean {
   const match = /^gpt-(\d+)/.exec(modelID)
   if (!match) return false
@@ -85,6 +86,15 @@ function wrapSSE(res: Response, ms: number, ctl: AbortController) {
   })
 }
 
+function timeoutController(ms: number) {
+  const ctl = new AbortController()
+  const id = setTimeout(() => ctl.abort(new ProviderError.HeaderTimeoutError(ms)), ms)
+  return {
+    signal: ctl.signal,
+    clear: () => clearTimeout(id),
+  }
+}
+
 function googleVertexAnthropicBaseURL(project: string | undefined, location: string | undefined) {
   if (!project) return
   if (location !== "eu" && location !== "us") return
@@ -194,7 +204,7 @@ function custom(dep: CustomDep): Record<string, CustomLoader> {
         async getModel(sdk: any, modelID: string, _options?: Record<string, any>) {
           return sdk.responses(modelID)
         },
-        options: {},
+        options: { headerTimeout: OPENAI_HEADER_TIMEOUT_DEFAULT },
       }),
     xai: () =>
       Effect.succeed({
@@ -1601,16 +1611,21 @@ export const layer = Layer.effect(
 
         const customFetch = options["fetch"]
         const chunkTimeout = options["chunkTimeout"]
+        const headerTimeout = options["headerTimeout"]
         delete options["chunkTimeout"]
+        delete options["headerTimeout"]
 
         options["fetch"] = async (input: any, init?: BunFetchRequestInit) => {
           const fetchFn = customFetch ?? fetch
           const opts = init ?? {}
           const chunkAbortCtl = typeof chunkTimeout === "number" && chunkTimeout > 0 ? new AbortController() : undefined
+          const headerTimeoutMs = headerTimeout === false ? undefined : headerTimeout
+          const headerTimeoutCtl = typeof headerTimeoutMs === "number" ? timeoutController(headerTimeoutMs) : undefined
           const signals: AbortSignal[] = []
 
           if (opts.signal) signals.push(opts.signal)
           if (chunkAbortCtl) signals.push(chunkAbortCtl.signal)
+          if (headerTimeoutCtl) signals.push(headerTimeoutCtl.signal)
           if (options["timeout"] !== undefined && options["timeout"] !== null && options["timeout"] !== false)
             signals.push(AbortSignal.timeout(options["timeout"]))
 
@@ -1639,7 +1654,7 @@ export const layer = Layer.effect(
             ...opts,
             // @ts-ignore see here: https://github.com/oven-sh/bun/issues/16682
             timeout: false,
-          })
+          }).finally(() => headerTimeoutCtl?.clear())
 
           if (!chunkAbortCtl) return res
           return wrapSSE(res, chunkTimeout, chunkAbortCtl)

packages/opencode/src/provider/transform.ts

@@ -596,8 +596,16 @@ function openaiCompatibleReasoningEfforts(id: string) {
   return gpt5CodexReasoningEfforts(apiId) ?? versionedGpt5ReasoningEfforts(apiId) ?? OPENAI_EFFORTS
 }
 
+function anthropicOpus47OrLater(apiId: string) {
+  const version = /opus-(\d+)[.-](\d+)(?:[.-]|$)/i.exec(apiId)
+  if (!version) return false
+  const major = Number(version[1])
+  const minor = Number(version[2])
+  return major > 4 || (major === 4 && minor >= 7)
+}
+
 function anthropicAdaptiveEfforts(apiId: string): string[] | null {
-  if (["opus-4-7", "opus-4.7"].some((v) => apiId.includes(v))) {
+  if (anthropicOpus47OrLater(apiId)) {
     return ["low", "medium", "high", "xhigh", "max"]
   }
   if (["opus-4-6", "opus-4.6", "sonnet-4-6", "sonnet-4.6"].some((v) => apiId.includes(v))) {
@@ -625,6 +633,7 @@ export function variants(model: Provider.Model): Record<string, Record<string, a
   if (!model.capabilities.reasoning) return {}
 
   const id = model.id.toLowerCase()
+  const adaptiveOpus = anthropicOpus47OrLater(model.api.id)
   const adaptiveEfforts = anthropicAdaptiveEfforts(model.api.id)
   if (
     id.includes("deepseek-chat") ||
@@ -833,9 +842,7 @@ export function variants(model: Provider.Model): Record<string, Record<string, a
             {
               thinking: {
                 type: "adaptive",
-                ...(model.api.id.includes("opus-4-7") || model.api.id.includes("opus-4.7")
-                  ? { display: "summarized" }
-                  : {}),
+                ...(adaptiveOpus ? { display: "summarized" } : {}),
               },
               effort,
             },
@@ -872,9 +879,7 @@ export function variants(model: Provider.Model): Record<string, Record<string, a
               reasoningConfig: {
                 type: "adaptive",
                 maxReasoningEffort: effort,
-                ...(model.api.id.includes("opus-4-7") || model.api.id.includes("opus-4.7")
-                  ? { display: "summarized" }
-                  : {}),
+                ...(adaptiveOpus ? { display: "summarized" } : {}),
               },
             },
           ]),

packages/opencode/src/server/routes/instance/httpapi/AGENTS.md

@@ -14,18 +14,20 @@ export const sessionHandlers = HttpApiBuilder.group(InstanceHttpApi, "session",
 
 For SSE endpoints, stay in `HttpApiBuilder.group(...)` and return `HttpServerResponse.stream(...)` from the handler. Annotate the endpoint success schema with `HttpApiSchema.asText({ contentType: "text/event-stream" })` so OpenAPI documents the stream content type.
 
-Use raw `HttpRouter.use(...)` only for routes that do not fit the request/response HttpApi model, such as WebSocket upgrade routes or catch-all fallback routes. Yield stable services at route-layer construction and close over them in `router.add(...)` callbacks.
+Use `HttpApiBuilder.group(...)` with `handleRaw(...)` for declared endpoints that need the raw request or response, including WebSocket upgrade routes. This keeps endpoint middleware, routing context, and OpenAPI metadata on one typed route tree.
 
 ```ts
-export const rawRoute = HttpRouter.use((router) =>
+export const ptyConnectHandlers = HttpApiBuilder.group(PtyConnectApi, "pty-connect", (handlers) =>
   Effect.gen(function* () {
     const pty = yield* Pty.Service
 
-    yield* router.add("GET", PtyPaths.connect, (request) => connectPty(request, pty))
+    return handlers.handleRaw("connect", (ctx) => connectPty(ctx.request, pty))
   }),
 )
 ```
 
+Use raw `HttpRouter.use(...)` only for routes outside the declared API surface, such as a catch-all UI fallback.
+
 Avoid `Effect.provide(SomeLayer)` inside request handlers or raw route callbacks. Stable layers should be provided once at the application/layer boundary, not rebuilt or scoped per request.
 
 Avoid `HttpRouter.provideRequest(...)` unless the dependency is intentionally request-level. Prefer `HttpRouter.use(...)` for stable app services.
@@ -34,4 +36,4 @@ Use `Effect.provideService(...)` in middleware only for request-derived context,
 
 Public JSON errors should be explicit `Schema.ErrorClass` contracts declared on each endpoint. Use built-in `HttpApiError.*` classes only when their empty/tagged body is the intended wire shape; for SDK-visible errors with messages, define an API error schema such as `ApiNotFoundError` and fail with that exact declared error. Keep domain and storage services free of HttpApi types, and translate expected domain errors at the handler boundary.
 
-When adding middleware, compose it at the layer boundary and keep the route tree explicit in `server.ts`. Shared router middleware such as auth, workspace routing, and instance context should stay visible where routes are assembled.
+When adding middleware, declare endpoint-contract middleware on the owning `HttpApiGroup` and provide its implementation layer at the assembly boundary in `server.ts`. Keep router middleware for truly raw fallback routes or global transport policy.

packages/opencode/src/server/routes/instance/httpapi/groups/event.ts

@@ -1,6 +1,8 @@
 import { Schema } from "effect"
 import { HttpApi, HttpApiEndpoint, HttpApiGroup, HttpApiSchema, OpenApi } from "effect/unstable/httpapi"
-import { WorkspaceRoutingQuery } from "../middleware/workspace-routing"
+import { Authorization } from "../middleware/authorization"
+import { InstanceContextMiddleware } from "../middleware/instance-context"
+import { WorkspaceRoutingMiddleware, WorkspaceRoutingQuery } from "../middleware/workspace-routing"
 
 export const EventPaths = {
   event: "/event",
@@ -20,5 +22,8 @@ export const EventApi = HttpApi.make("event").add(
         }),
       ),
     )
+    .middleware(InstanceContextMiddleware)
+    .middleware(WorkspaceRoutingMiddleware)
+    .middleware(Authorization)
     .annotateMerge(OpenApi.annotations({ title: "event", description: "Instance event stream route." })),
 )

packages/opencode/src/server/routes/instance/httpapi/groups/pty.ts

@@ -1,9 +1,10 @@
 import { Pty } from "@/pty"
 import { PtyTicket } from "@/pty/ticket"
 import { PtyID } from "@/pty/schema"
+import { PTY_CONNECT_TICKET_QUERY } from "@/server/shared/pty-ticket"
 import { Schema } from "effect"
 import { HttpApi, HttpApiEndpoint, HttpApiError, HttpApiGroup, OpenApi } from "effect/unstable/httpapi"
-import { Authorization } from "../middleware/authorization"
+import { Authorization, PtyConnectAuthorization } from "../middleware/authorization"
 import { InstanceContextMiddleware } from "../middleware/instance-context"
 import {
   WorkspaceRoutingMiddleware,
@@ -138,9 +139,10 @@ export const PtyApi = HttpApi.make("pty")
 export const PtyConnectApi = HttpApi.make("pty-connect").add(
   HttpApiGroup.make("pty-connect")
     .add(
+      // Decode PTY connection query fields in the raw handler after checking
+      // existence, preserving the established empty-404 response ordering.
       HttpApiEndpoint.get("connect", PtyPaths.connect, {
         params: Params,
-        query: WorkspaceRoutingQuery,
         success: described(Schema.Boolean, "Connected session"),
         error: [HttpApiError.Forbidden, HttpApiError.NotFound],
       }).annotateMerge(
@@ -149,8 +151,22 @@ export const PtyConnectApi = HttpApi.make("pty-connect").add(
           summary: "Connect to PTY session",
           description:
             "Establish a WebSocket connection to interact with a pseudo-terminal (PTY) session in real-time.",
+          transform: (operation) => ({
+            ...operation,
+            parameters: [
+              ...(operation.parameters ?? []),
+              ...["directory", "workspace", "cursor", PTY_CONNECT_TICKET_QUERY].map((name) => ({
+                in: "query",
+                name,
+                schema: { type: "string" },
+              })),
+            ],
+          }),
         }),
       ),
     )
-    .annotateMerge(OpenApi.annotations({ title: "pty", description: "PTY websocket route." })),
+    .annotateMerge(OpenApi.annotations({ title: "pty", description: "PTY websocket route." }))
+    .middleware(InstanceContextMiddleware)
+    .middleware(WorkspaceRoutingMiddleware)
+    .middleware(PtyConnectAuthorization),
 )

packages/opencode/src/server/routes/instance/httpapi/handlers/pty.ts

@@ -10,13 +10,13 @@ import {
   PTY_CONNECT_TOKEN_HEADER,
   PTY_CONNECT_TOKEN_HEADER_VALUE,
 } from "@/server/shared/pty-ticket"
-import { Effect } from "effect"
-import { HttpRouter, HttpServerRequest, HttpServerResponse } from "effect/unstable/http"
+import { Effect, Option, Schema } from "effect"
+import { HttpServerRequest, HttpServerResponse } from "effect/unstable/http"
 import { HttpApiBuilder } from "effect/unstable/httpapi"
 import * as Socket from "effect/unstable/socket/Socket"
 import { InstanceHttpApi } from "../api"
 import * as ApiError from "../errors"
-import { CursorQuery, Params, PtyPaths } from "../groups/pty"
+import { CursorQuery, PtyConnectApi } from "../groups/pty"
 import { WebSocketTracker } from "../websocket-tracker"
 
 function validOrigin(request: HttpServerRequest.HttpServerRequest, opts: CorsOptions | undefined) {
@@ -121,37 +121,39 @@ export const ptyHandlers = HttpApiBuilder.group(InstanceHttpApi, "pty", (handler
   }),
 )
 
-export const ptyConnectRoute = HttpRouter.use((router) =>
+export const ptyConnectHandlers = HttpApiBuilder.group(PtyConnectApi, "pty-connect", (handlers) =>
   Effect.gen(function* () {
     const pty = yield* Pty.Service
     const tickets = yield* PtyTicket.Service
     const cors = yield* CorsConfig
-    yield* router.add(
-      "GET",
-      PtyPaths.connect,
-      Effect.gen(function* () {
-        const params = yield* HttpRouter.schemaPathParams(Params)
-        const exists = yield* pty.get(params.ptyID).pipe(
+
+    return handlers.handleRaw(
+      "connect",
+      Effect.fn("PtyHttpApi.connect")(function* (ctx: {
+        params: { ptyID: PtyID }
+        request: HttpServerRequest.HttpServerRequest
+      }) {
+        const exists = yield* pty.get(ctx.params.ptyID).pipe(
           Effect.as(true),
           Effect.catchTag("Pty.NotFoundError", () => Effect.succeed(false)),
         )
         if (!exists) return HttpServerResponse.empty({ status: 404 })
 
-        const query = yield* HttpServerRequest.schemaSearchParams(CursorQuery)
-        const request = yield* HttpServerRequest.HttpServerRequest
-        const ticket = new URL(request.url, "http://localhost").searchParams.get(PTY_CONNECT_TICKET_QUERY)
+        const query = Schema.decodeUnknownOption(CursorQuery)(yield* HttpServerRequest.ParsedSearchParams)
+        if (Option.isNone(query)) return HttpServerResponse.empty({ status: 400 })
+        const ticket = new URL(ctx.request.url, "http://localhost").searchParams.get(PTY_CONNECT_TICKET_QUERY)
         if (ticket) {
-          const valid = validOrigin(request, cors)
-            ? yield* tickets.consume({ ticket, ptyID: params.ptyID, ...(yield* PtyTicket.scope) })
+          const valid = validOrigin(ctx.request, cors)
+            ? yield* tickets.consume({ ticket, ptyID: ctx.params.ptyID, ...(yield* PtyTicket.scope) })
             : false
           if (!valid) return HttpServerResponse.empty({ status: 403 })
         }
-        const parsedCursor = query.cursor === undefined ? undefined : Number(query.cursor)
+        const parsedCursor = query.value.cursor === undefined ? undefined : Number(query.value.cursor)
         const cursor =
           parsedCursor !== undefined && Number.isSafeInteger(parsedCursor) && parsedCursor >= -1
             ? parsedCursor
             : undefined
-        const socket = yield* Effect.orDie(request.upgrade)
+        const socket = yield* Effect.orDie(ctx.request.upgrade)
         const write = yield* socket.writer
         const closeAccepted = (event: Socket.CloseEvent) =>
           socket
@@ -186,7 +188,7 @@ export const ptyConnectRoute = HttpRouter.use((router) =>
           },
         }
         const handler = yield* pty
-          .connect(params.ptyID, adapter, cursor)
+          .connect(ctx.params.ptyID, adapter, cursor)
           .pipe(
             Effect.catchTag("Pty.NotFoundError", () =>
               closeAccepted(new Socket.CloseEvent(4404, "session not found")).pipe(Effect.as(undefined)),
@@ -194,12 +196,8 @@ export const ptyConnectRoute = HttpRouter.use((router) =>
           )
         if (!handler) return HttpServerResponse.empty()
 
-        // No `pending[]`-style early-frame buffer (the legacy handler had one).
-        // `request.upgrade` returns a Socket without running the WS handshake; the
-        // handshake fires inside `socket.runRaw` below, AFTER `pty.connect` resolves
-        // and the message callback is registered. The client therefore can't fire
-        // `open` and start sending until the listener is already wired. Don't move
-        // `runRaw` ahead of `pty.connect` without re-introducing a buffer.
+        // The handshake runs inside `socket.runRaw`, after the input callback is
+        // registered, so the client cannot send frames before PTY input is wired.
         yield* socket
           .runRaw((message) => handlePtyInput(handler, message))
           .pipe(

packages/opencode/src/server/routes/instance/httpapi/middleware/authorization.ts

@@ -27,6 +27,13 @@ export class V2Authorization extends HttpApiMiddleware.Service<V2Authorization>(
   },
 ) {}
 
+export class PtyConnectAuthorization extends HttpApiMiddleware.Service<PtyConnectAuthorization>()(
+  "@opencode/ExperimentalHttpApiPtyConnectAuthorization",
+  {
+    error: HttpApiError.UnauthorizedNoContent,
+  },
+) {}
+
 function emptyCredential() {
   return {
     username: "",
@@ -56,11 +63,11 @@ function decodeCredential(input: string) {
     Effect.match({
       onFailure: emptyCredential,
       onSuccess: (header) => {
-        const parts = header.split(":")
-        if (parts.length !== 2) return emptyCredential()
+        const separator = header.indexOf(":")
+        if (separator === -1) return emptyCredential()
         return {
-          username: parts[0],
-          password: Redacted.make(parts[1]),
+          username: header.slice(0, separator),
+          password: Redacted.make(header.slice(separator + 1)),
         }
       },
     }),
@@ -105,7 +112,6 @@ export const authorizationRouterMiddleware = HttpRouter.middleware()(
         const request = yield* HttpServerRequest.HttpServerRequest
         const url = new URL(request.url, "http://localhost")
         if (isPublicUIPath(request.method, url.pathname)) return yield* effect
-        if (hasPtyConnectTicketURL(url)) return yield* effect
         return yield* credentialFromURL(url, request).pipe(
           Effect.flatMap((credential) => validateRawCredential(effect, credential, config)),
         )
@@ -129,6 +135,24 @@ export const authorizationLayer = Layer.effect(
   }),
 )
 
+export const ptyConnectAuthorizationLayer = Layer.effect(
+  PtyConnectAuthorization,
+  Effect.gen(function* () {
+    const config = yield* ServerAuth.Config
+    if (!ServerAuth.required(config)) return PtyConnectAuthorization.of((effect) => effect)
+    return PtyConnectAuthorization.of((effect) =>
+      Effect.gen(function* () {
+        const request = yield* HttpServerRequest.HttpServerRequest
+        const url = new URL(request.url, "http://localhost")
+        if (hasPtyConnectTicketURL(url)) return yield* effect
+        return yield* credentialFromURL(url, request).pipe(
+          Effect.flatMap((credential) => validateCredential(effect, credential, config)),
+        )
+      }),
+    )
+  }),
+)
+
 export const v2AuthorizationLayer = Layer.effect(
   V2Authorization,
   Effect.gen(function* () {

packages/opencode/src/server/routes/instance/httpapi/middleware/instance-context.ts

@@ -1,7 +1,7 @@
 import { InstanceRef, WorkspaceRef } from "@/effect/instance-ref"
 import { InstanceStore } from "@/project/instance-store"
 import { Effect, Layer } from "effect"
-import { HttpRouter, HttpServerResponse } from "effect/unstable/http"
+import { HttpServerResponse } from "effect/unstable/http"
 import { HttpApiMiddleware } from "effect/unstable/httpapi"
 import { WorkspaceRouteContext } from "./workspace-routing"
 
@@ -41,10 +41,3 @@ export const instanceContextLayer = Layer.effect(
     return InstanceContextMiddleware.of((effect) => provideInstanceContext(effect, store))
   }),
 )
-
-export const instanceRouterMiddleware = HttpRouter.middleware()(
-  Effect.gen(function* () {
-    const store = yield* InstanceStore.Service
-    return (effect) => provideInstanceContext(effect, store)
-  }),
-)

packages/opencode/src/server/routes/instance/httpapi/middleware/proxy.ts

@@ -4,17 +4,11 @@ import { HttpBody, HttpClient, HttpClientRequest, HttpServerRequest, HttpServerR
 import * as Socket from "effect/unstable/socket/Socket"
 import { WebSocketTracker } from "../websocket-tracker"
 
-function webSource(request: HttpServerRequest.HttpServerRequest): Request | undefined {
-  return request.source instanceof Request ? request.source : undefined
-}
-
 function requestBody(request: HttpServerRequest.HttpServerRequest) {
   if (request.method === "GET" || request.method === "HEAD") return HttpBody.empty
+  if (request.source instanceof Request && request.source.body === null) return HttpBody.empty
   const len = request.headers["content-length"]
-  return HttpBody.raw(webSource(request)?.body ?? null, {
-    contentType: request.headers["content-type"],
-    contentLength: len ? Number(len) : undefined,
-  })
+  return HttpBody.stream(request.stream, request.headers["content-type"], len ? Number(len) : undefined)
 }
 
 export function websocket(

packages/opencode/src/server/routes/instance/httpapi/middleware/workspace-routing.ts

@@ -9,7 +9,7 @@ import { getWorkspaceRouteSessionID, isLocalWorkspaceRoute, workspaceProxyURL }
 import { NotFoundError } from "@/storage/storage"
 import { Flag } from "@opencode-ai/core/flag/flag"
 import { Context, Data, Effect, Layer, Option, Schema } from "effect"
-import { HttpClient, HttpRouter, HttpServerRequest, HttpServerResponse } from "effect/unstable/http"
+import { HttpClient, HttpServerRequest, HttpServerResponse } from "effect/unstable/http"
 import { HttpApiMiddleware } from "effect/unstable/httpapi"
 import * as Socket from "effect/unstable/socket/Socket"
 import { InvalidRequestError } from "../errors"
@@ -159,14 +159,14 @@ function planWorkspaceRequest(
 
 function planRequest(
   request: HttpServerRequest.HttpServerRequest,
-  sessionWorkspaceID?: WorkspaceID,
+  session?: Session.Info,
 ): Effect.Effect<RequestPlan, never, Workspace.Service> {
   return Effect.gen(function* () {
     const url = requestURL(request)
     const envWorkspaceID = configuredWorkspaceID()
     const workspaceID = url.pathname.startsWith("/api/")
-      ? selectedV2WorkspaceID(url, sessionWorkspaceID)
-      : selectedWorkspaceID(url, sessionWorkspaceID)
+      ? selectedV2WorkspaceID(url, session?.workspaceID)
+      : selectedWorkspaceID(url, session?.workspaceID)
     if (workspaceID === InvalidWorkspaceID) return RequestPlan.InvalidWorkspace()
     const workspace = yield* resolveWorkspace(workspaceID, envWorkspaceID)
 
@@ -178,7 +178,10 @@ function planRequest(
       return yield* planWorkspaceRequest(request, url, workspace)
     }
 
-    return RequestPlan.Local({ directory: defaultDirectory(request, url), workspaceID: envWorkspaceID ?? workspaceID })
+    return RequestPlan.Local({
+      directory: session?.directory || defaultDirectory(request, url),
+      workspaceID: envWorkspaceID ?? workspaceID,
+    })
   })
 }
 
@@ -219,11 +222,14 @@ function routeHttpApiWorkspace<E>(
     const sessionID = getWorkspaceRouteSessionID(requestURL(request))
     const session = sessionID
       ? yield* Session.Service.use((svc) => svc.get(sessionID)).pipe(
-          Effect.catchIf(NotFoundError.isInstance, () => Effect.succeed(undefined)),
+          Effect.catchIf(
+            (error): error is NotFoundError => NotFoundError.isInstance(error),
+            () => Effect.succeed(undefined),
+          ),
           Effect.catchDefect(() => Effect.succeed(undefined)),
         )
       : undefined
-    const plan = yield* planRequest(request, session?.workspaceID)
+    const plan = yield* planRequest(request, session)
     return yield* routeWorkspace(client, effect, plan)
   })
 }
@@ -242,20 +248,3 @@ export const workspaceRoutingLayer = Layer.effect(
     )
   }),
 )
-
-export const workspaceRouterMiddleware = HttpRouter.middleware<{ provides: WorkspaceRouteContext }>()(
-  Effect.gen(function* () {
-    const makeWebSocket = yield* Socket.WebSocketConstructor
-    const workspace = yield* Workspace.Service
-    const client = yield* HttpClient.HttpClient
-    return (effect) =>
-      Effect.gen(function* () {
-        const request = yield* HttpServerRequest.HttpServerRequest
-        const plan = yield* planRequest(request)
-        return yield* routeWorkspace(client, effect, plan)
-      }).pipe(
-        Effect.provideService(Socket.WebSocketConstructor, makeWebSocket),
-        Effect.provideService(Workspace.Service, workspace),
-      )
-  }),
-)

packages/opencode/src/server/routes/instance/httpapi/server.ts

@@ -59,8 +59,14 @@ import { serveUIEffect } from "@/server/shared/ui"
 import { ServerAuth } from "@/server/auth"
 import { InstanceHttpApi, RootHttpApi } from "./api"
 import { PublicApi } from "./public"
-import { authorizationLayer, authorizationRouterMiddleware, v2AuthorizationLayer } from "./middleware/authorization"
+import {
+  authorizationLayer,
+  authorizationRouterMiddleware,
+  ptyConnectAuthorizationLayer,
+  v2AuthorizationLayer,
+} from "./middleware/authorization"
 import { EventApi } from "./groups/event"
+import { PtyConnectApi } from "./groups/pty"
 import { eventHandlers } from "./handlers/event"
 import { configHandlers } from "./handlers/config"
 import { controlHandlers } from "./handlers/control"
@@ -72,15 +78,15 @@ import { mcpHandlers } from "./handlers/mcp"
 import { permissionHandlers } from "./handlers/permission"
 import { projectHandlers } from "./handlers/project"
 import { providerHandlers } from "./handlers/provider"
-import { ptyConnectRoute, ptyHandlers } from "./handlers/pty"
+import { ptyConnectHandlers, ptyHandlers } from "./handlers/pty"
 import { questionHandlers } from "./handlers/question"
 import { sessionHandlers } from "./handlers/session"
 import { syncHandlers } from "./handlers/sync"
 import { tuiHandlers } from "./handlers/tui"
 import { v2Handlers } from "./handlers/v2"
 import { workspaceHandlers } from "./handlers/workspace"
-import { instanceContextLayer, instanceRouterMiddleware } from "./middleware/instance-context"
-import { workspaceRouterMiddleware, workspaceRoutingLayer } from "./middleware/workspace-routing"
+import { instanceContextLayer } from "./middleware/instance-context"
+import { workspaceRoutingLayer } from "./middleware/workspace-routing"
 import { disposeMiddleware } from "./lifecycle"
 import { memoMap } from "@opencode-ai/core/effect/memo-map"
 import { compressionLayer } from "./middleware/compression"
@@ -102,24 +108,27 @@ const cors = (corsOptions?: CorsOptions) =>
 
 // Route tree:
 // - rootApiRoutes: typed /global/* and control routes; auth is declared by RootHttpApi.
-// - eventApiRoutes/rawInstanceRoutes: raw instance routes; auth and workspace routing happen as router middleware.
-// - instanceApiRoutes: schema routes; auth is declared on each group and workspace context is provided below.
+// - eventApiRoutes: typed SSE route with instance routing context and its existing API contract.
+// - ptyConnectApiRoutes: typed WebSocket upgrade route with ticket-aware auth.
+// - instanceApiRoutes: remaining typed instance routes.
 // - uiRoute: raw catch-all fallback; auth is router middleware so public static assets can bypass it.
 const authOnlyRouterLayer = authorizationRouterMiddleware.layer.pipe(Layer.provide(ServerAuth.Config.defaultLayer))
 const httpApiAuthLayer = authorizationLayer.pipe(Layer.provide(ServerAuth.Config.defaultLayer))
+const ptyConnectHttpApiAuthLayer = ptyConnectAuthorizationLayer.pipe(Layer.provide(ServerAuth.Config.defaultLayer))
 const v2HttpApiAuthLayer = v2AuthorizationLayer.pipe(Layer.provide(ServerAuth.Config.defaultLayer))
+const workspaceRoutingLive = workspaceRoutingLayer.pipe(Layer.provide(Socket.layerWebSocketConstructorGlobal))
 const rootApiRoutes = HttpApiBuilder.layer(RootHttpApi).pipe(
   Layer.provide([controlHandlers, globalHandlers]),
   Layer.provide(schemaErrorLayer),
   Layer.provide(httpApiAuthLayer),
 )
-const instanceRouterLayer = authorizationRouterMiddleware
-  .combine(instanceRouterMiddleware)
-  .combine(workspaceRouterMiddleware)
-  .layer.pipe(Layer.provide(Socket.layerWebSocketConstructorGlobal), Layer.provide(ServerAuth.Config.defaultLayer))
 const eventApiRoutes = HttpApiBuilder.layer(EventApi).pipe(
   Layer.provide(eventHandlers),
-  Layer.provide(instanceRouterLayer),
+  Layer.provide([httpApiAuthLayer, workspaceRoutingLive, instanceContextLayer]),
+)
+const ptyConnectApiRoutes = HttpApiBuilder.layer(PtyConnectApi).pipe(
+  Layer.provide(ptyConnectHandlers),
+  Layer.provide([ptyConnectHttpApiAuthLayer, workspaceRoutingLive, instanceContextLayer]),
 )
 const instanceApiRoutes = HttpApiBuilder.layer(InstanceHttpApi).pipe(
   Layer.provide([
@@ -141,15 +150,8 @@ const instanceApiRoutes = HttpApiBuilder.layer(InstanceHttpApi).pipe(
   ]),
 )
 
-const rawInstanceRoutes = Layer.mergeAll(ptyConnectRoute).pipe(Layer.provide(instanceRouterLayer))
-const instanceRoutes = Layer.mergeAll(rawInstanceRoutes, instanceApiRoutes).pipe(
-  Layer.provide([
-    httpApiAuthLayer,
-    v2HttpApiAuthLayer,
-    workspaceRoutingLayer.pipe(Layer.provide(Socket.layerWebSocketConstructorGlobal)),
-    instanceContextLayer,
-    schemaErrorLayer,
-  ]),
+const instanceRoutes = instanceApiRoutes.pipe(
+  Layer.provide([httpApiAuthLayer, v2HttpApiAuthLayer, workspaceRoutingLive, instanceContextLayer, schemaErrorLayer]),
 )
 
 // `OpenApi.fromApi` is non-trivial; defer until /doc is actually hit so
@@ -184,7 +186,7 @@ type RouteRequirements =
 export function createRoutes(
   corsOptions?: CorsOptions,
 ): Layer.Layer<never, EffectConfig.ConfigError, RouteRequirements> {
-  return Layer.mergeAll(rootApiRoutes, eventApiRoutes, instanceRoutes, docRoute, uiRoute).pipe(
+  return Layer.mergeAll(rootApiRoutes, eventApiRoutes, ptyConnectApiRoutes, instanceRoutes, docRoute, uiRoute).pipe(
     Layer.provide([
       errorLayer,
       compressionLayer,

packages/opencode/src/session/message-v2.ts

@@ -1143,6 +1143,29 @@ export function fromError(
         },
         { cause: e },
       ).toObject()
+    case e instanceof ProviderError.HeaderTimeoutError:
+      return new APIError(
+        {
+          message: e.message,
+          isRetryable: true,
+          metadata: {
+            code: e.name,
+            timeoutMs: String(e.ms),
+          },
+        },
+        { cause: e },
+      ).toObject()
+    case e instanceof ProviderError.ResponseStreamError:
+      return new APIError(
+        {
+          message: e.message,
+          isRetryable: true,
+          metadata: {
+            code: e.name,
+          },
+        },
+        { cause: e },
+      ).toObject()
     case APICallError.isInstance(e):
       const parsed = ProviderError.parseAPICallError({
         providerID: ctx.providerID,

packages/opencode/src/worktree/index.ts

@@ -351,7 +351,7 @@ export const layer: Layer.Layer<
         return yield* new ListFailedError({ message: result.stderr || result.text || "Failed to read git worktrees" })
       }
 
-      const primary = yield* canonical(ctx.worktree)
+      const primary = yield* canonical(ctx.project.worktree)
       const primaryName = pathSvc.basename(primary).toLowerCase()
       return yield* Effect.forEach(parseWorktreeList(result.text), (entry) =>
         Effect.gen(function* () {

packages/opencode/test/acp-next/permission.test.ts

@@ -0,0 +1,237 @@
+import { describe, expect, it } from "bun:test"
+import type {
+  AgentSideConnection,
+  RequestPermissionRequest,
+  RequestPermissionResponse,
+  SessionUpdate,
+} from "@agentclientprotocol/sdk"
+import type { Event, OpencodeClient } from "@opencode-ai/sdk/v2"
+import { Effect, ManagedRuntime } from "effect"
+import { ACPNextEvent } from "@/acp-next/event"
+import { ACPNextSession } from "@/acp-next/session"
+
+type PermissionEvent = Extract<Event, { type: "permission.asked" }>
+type PermissionReplyParams = Parameters<OpencodeClient["permission"]["reply"]>[0]
+type SessionUpdateParams = Parameters<AgentSideConnection["sessionUpdate"]>[0]
+
+const pollUntil = async (
+  check: () => boolean | Promise<boolean>,
+  message: string,
+  opts?: { timeoutMs?: number; intervalMs?: number },
+) => {
+  const started = Date.now()
+  while (true) {
+    if (await check()) return
+    if (Date.now() - started > (opts?.timeoutMs ?? 2000)) throw new Error(message)
+    await new Promise((resolve) => setTimeout(resolve, opts?.intervalMs ?? 5))
+  }
+}
+
+function makeSessionService() {
+  return ManagedRuntime.make(ACPNextSession.defaultLayer).runSync(
+    ACPNextSession.Service.use((service) => Effect.succeed(service)),
+  )
+}
+
+function createHarness(
+  requestPermission: (params: RequestPermissionRequest) => Promise<RequestPermissionResponse> = () =>
+    Promise.resolve({ outcome: { outcome: "selected", optionId: "once" } }),
+) {
+  const replies: PermissionReplyParams[] = []
+  const requests: RequestPermissionRequest[] = []
+  const updates: SessionUpdateParams[] = []
+  const session = makeSessionService()
+  const sdk = {
+    permission: {
+      reply: (params: PermissionReplyParams) => {
+        replies.push(params)
+        return Promise.resolve({ data: true })
+      },
+    },
+    session: {
+      message: () => Promise.resolve({ data: undefined }),
+    },
+  } as unknown as OpencodeClient
+  const connection = {
+    requestPermission: (params: RequestPermissionRequest) => {
+      requests.push(params)
+      return requestPermission(params)
+    },
+    sessionUpdate: (params: SessionUpdateParams) => {
+      updates.push(params)
+      return Promise.resolve()
+    },
+  } satisfies Pick<AgentSideConnection, "requestPermission" | "sessionUpdate">
+  const subscription = new ACPNextEvent.Subscription({ sdk, connection, session })
+
+  return { connection, replies, requests, sdk, session, subscription, updates }
+}
+
+async function createSession(session: ACPNextSession.Interface, sessionId: string, cwd = "/workspace") {
+  await Effect.runPromise(session.create({ id: sessionId, cwd }))
+}
+
+async function createKnownTextPart(
+  session: ACPNextSession.Interface,
+  sessionId: string,
+  messageId: string,
+  partId: string,
+) {
+  await Effect.runPromise(
+    session.recordPartMetadata({
+      sessionId,
+      messageId,
+      partId,
+      partType: "text",
+      role: "assistant",
+    }),
+  )
+}
+
+function permissionAsked(
+  sessionID: string,
+  id: string,
+  input: {
+    permission?: string
+    metadata?: Record<string, unknown>
+    tool?: { messageID: string; callID: string }
+  } = {},
+) {
+  return {
+    id: `evt_${id}`,
+    type: "permission.asked",
+    properties: {
+      id,
+      sessionID,
+      permission: input.permission ?? "bash",
+      patterns: ["*"],
+      metadata: input.metadata ?? { command: "printf hello" },
+      always: [],
+      ...(input.tool ? { tool: input.tool } : {}),
+    },
+  } as PermissionEvent
+}
+
+function textDelta(sessionID: string, messageID: string, partID: string, delta: string) {
+  return {
+    id: `evt_${sessionID}_${messageID}_${partID}`,
+    type: "message.part.delta",
+    properties: {
+      sessionID,
+      messageID,
+      partID,
+      field: "text",
+      delta,
+    },
+  } as Event
+}
+
+function textFromUpdates(updates: SessionUpdateParams[], sessionId: string) {
+  return updates
+    .filter((item) => item.sessionId === sessionId)
+    .map((item) => item.update)
+    .filter((update): update is Extract<SessionUpdate, { sessionUpdate: "agent_message_chunk" }> => {
+      return update.sessionUpdate === "agent_message_chunk"
+    })
+    .map((update) => (update.content.type === "text" ? update.content.text : ""))
+    .join("")
+}
+
+describe("acp-next permissions", () => {
+  it("sends requestPermission and replies with the selected outcome", async () => {
+    const harness = createHarness()
+    await createSession(harness.session, "ses_a")
+
+    harness.subscription.handle(permissionAsked("ses_a", "perm_1", { tool: { messageID: "msg_1", callID: "call_1" } }))
+
+    await pollUntil(() => harness.replies.length === 1, "permission was never replied")
+
+    expect(harness.requests[0]).toMatchObject({
+      sessionId: "ses_a",
+      toolCall: {
+        toolCallId: "call_1",
+        status: "pending",
+        title: "bash",
+        rawInput: { command: "printf hello" },
+        kind: "execute",
+        locations: [],
+      },
+      options: [
+        { optionId: "once", kind: "allow_once", name: "Allow once" },
+        { optionId: "always", kind: "allow_always", name: "Always allow" },
+        { optionId: "reject", kind: "reject_once", name: "Reject" },
+      ],
+    })
+    expect(harness.replies).toEqual([{ requestID: "perm_1", reply: "once", directory: "/workspace" }])
+  })
+
+  it("rejects non-selected outcomes", async () => {
+    const harness = createHarness(() => Promise.resolve({ outcome: { outcome: "cancelled" } }))
+    await createSession(harness.session, "ses_a")
+
+    harness.subscription.handle(permissionAsked("ses_a", "perm_cancelled"))
+
+    await pollUntil(() => harness.replies.length === 1, "cancelled permission was never replied")
+
+    expect(harness.replies[0]).toMatchObject({ requestID: "perm_cancelled", reply: "reject" })
+  })
+
+  it("rejects when requestPermission fails", async () => {
+    const harness = createHarness(() => Promise.reject(new Error("client permission UI failed")))
+    await createSession(harness.session, "ses_a")
+
+    harness.subscription.handle(permissionAsked("ses_a", "perm_failed"))
+
+    await pollUntil(() => harness.replies.length === 1, "failed permission was never rejected")
+
+    expect(harness.replies[0]).toMatchObject({ requestID: "perm_failed", reply: "reject" })
+  })
+
+  it("does not let a blocked session A permission block session B message updates", async () => {
+    let releasePermission: (() => void) | undefined
+    const blocked = new Promise<RequestPermissionResponse>((resolve) => {
+      releasePermission = () => resolve({ outcome: { outcome: "selected", optionId: "once" } })
+    })
+    const harness = createHarness(() => blocked)
+    await createSession(harness.session, "ses_a")
+    await createSession(harness.session, "ses_b")
+    await createKnownTextPart(harness.session, "ses_b", "msg_b", "part_b")
+
+    harness.subscription.handle(permissionAsked("ses_a", "perm_blocked"))
+    await pollUntil(() => harness.requests.length === 1, "blocked permission was never requested")
+
+    await harness.subscription.handle(textDelta("ses_b", "msg_b", "part_b", "session_b_message"))
+
+    expect(textFromUpdates(harness.updates, "ses_b")).toBe("session_b_message")
+    expect(harness.replies).toHaveLength(0)
+
+    releasePermission?.()
+    await pollUntil(() => harness.replies.length === 1, "blocked permission was never replied after release")
+  })
+
+  it("serializes permission requests per session", async () => {
+    let releaseFirst: (() => void) | undefined
+    const first = new Promise<RequestPermissionResponse>((resolve) => {
+      releaseFirst = () => resolve({ outcome: { outcome: "selected", optionId: "once" } })
+    })
+    const harness = createHarness(() =>
+      harness.requests.length === 1 ? first : Promise.resolve({ outcome: { outcome: "selected", optionId: "always" } }),
+    )
+    await createSession(harness.session, "ses_a")
+
+    harness.subscription.handle(permissionAsked("ses_a", "perm_1"))
+    harness.subscription.handle(permissionAsked("ses_a", "perm_2"))
+
+    await pollUntil(() => harness.requests.length === 1, "first permission was never requested")
+    expect(harness.requests.map((request) => request.toolCall.toolCallId)).toEqual(["perm_1"])
+
+    releaseFirst?.()
+    await pollUntil(() => harness.requests.length === 2, "second permission was not requested after first resolved")
+    await pollUntil(() => harness.replies.length === 2, "serialized permissions were not both replied")
+
+    expect(harness.replies.map((reply) => [reply.requestID, reply.reply])).toEqual([
+      ["perm_1", "once"],
+      ["perm_2", "always"],
+    ])
+  })
+})

packages/opencode/test/acp-next/service-session.test.ts

@@ -4,6 +4,7 @@ import type {
   ForkSessionResponse,
   LoadSessionResponse,
   NewSessionResponse,
+  SessionNotification,
   ResumeSessionResponse,
   SessionConfigOption,
   SessionConfigSelectOption,
@@ -14,6 +15,7 @@ import { Effect, ManagedRuntime } from "effect"
 import * as ACPNextService from "@/acp-next/service"
 import * as ACPNextError from "@/acp-next/error"
 import { ACPNextSession } from "@/acp-next/session"
+import { UsageService } from "@/acp-next/usage"
 import { ModelID, ProviderID } from "@/provider/schema"
 import type { Provider } from "@/provider/provider"
 
@@ -141,10 +143,14 @@ const provider: Provider.Info = {
 
 describe("ACP next service sessions", () => {
   const makeService = (messages: readonly { info: unknown; parts: readonly unknown[] }[] = []) => {
-    const updates: unknown[] = []
+    const updates: SessionNotification[] = []
     const mcpAdds: string[] = []
     const aborts: string[] = []
     const forks: string[] = []
+    const prompts: unknown[] = []
+    const commands: unknown[] = []
+    const summarizes: unknown[] = []
+    const usageUpdates: string[] = []
     const sessions = Array.from({ length: 102 }, (_, index) => ({
       id: `ses_${index + 1}`,
       directory: index % 2 === 0 ? "/workspace" : "/other",
@@ -184,6 +190,36 @@ describe("ACP next service sessions", () => {
             data: input.directory ? sessions.filter((session) => session.directory === input.directory) : sessions,
           }),
         messages: () => Promise.resolve({ data: messages }),
+        prompt: (input: unknown) => {
+          prompts.push(input)
+          return Promise.resolve({
+            data: {
+              info: assistantInfo({
+                input: 100,
+                output: 40,
+                reasoning: 7,
+                cache: { read: 11, write: 13 },
+              }),
+            },
+          })
+        },
+        command: (input: unknown) => {
+          commands.push(input)
+          return Promise.resolve({
+            data: {
+              info: assistantInfo({
+                input: 3,
+                output: 4,
+                reasoning: 0,
+                cache: { read: 0, write: 0 },
+              }),
+            },
+          })
+        },
+        summarize: (input: unknown) => {
+          summarizes.push(input)
+          return Promise.resolve({ data: true })
+        },
         abort: (input: { sessionID: string }) => {
           aborts.push(input.sessionID)
           return Promise.resolve({ data: true })
@@ -201,13 +237,33 @@ describe("ACP next service sessions", () => {
       },
     } as unknown as OpencodeClient
     const connection = {
-      sessionUpdate: (update: unknown) => {
+      sessionUpdate: (update: SessionNotification) => {
         updates.push(update)
         return Promise.resolve()
       },
     } as Pick<AgentSideConnection, "sessionUpdate">
+    const usage = UsageService.Service.of({
+      buildUsage: UsageService.buildUsage,
+      latestAssistantMessage: UsageService.latestAssistantMessage,
+      totalSessionCost: UsageService.totalSessionCost,
+      contextLimit: () => Effect.succeed(128000),
+      sendUpdate: (input) =>
+        Effect.sync(() => {
+          usageUpdates.push(input.sessionID)
+        }),
+    })
 
-    return { service: ACPNextService.make({ sdk, connection }), updates, mcpAdds, aborts, forks }
+    return {
+      service: ACPNextService.make({ sdk, connection, usage }),
+      updates,
+      mcpAdds,
+      aborts,
+      forks,
+      prompts,
+      commands,
+      summarizes,
+      usageUpdates,
+    }
   }
 
   it("creates a backed session with config options and command update", async () => {
@@ -267,6 +323,15 @@ describe("ACP next service sessions", () => {
     expect(second.sessions).toEqual(first.sessions)
   })
 
+  it("includes live ACP sessions before they appear in server-backed session list", async () => {
+    const { service } = makeService()
+    const created = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
+    const listed = await Effect.runPromise(service.listSessions({ cwd: "/workspace" }))
+
+    expect(listed.sessions[0]?.sessionId).toBe(created.sessionId)
+    expect(listed.sessions[0]?.cwd).toBe("/workspace")
+  })
+
   it("lists all sessions with next cursor when the first page is full", async () => {
     const { service } = makeService()
     const first = await Effect.runPromise(service.listSessions({}))
@@ -546,6 +611,46 @@ describe("ACP next service sessions", () => {
     expect(result.configOptions?.find((option) => option.id === "model")?.currentValue).toBe("test/configured-model")
   })
 
+  it("does not scan last-used sessions when resolving the new session default", async () => {
+    const historyCalls: string[] = []
+    const sdk = {
+      config: {
+        providers: () => Promise.resolve({ data: { providers: [provider], default: { test: modelID } } }),
+        get: () => Promise.resolve({ data: {} }),
+      },
+      app: {
+        agents: () => Promise.resolve({ data: [{ name: "build", mode: "primary", permission: [], options: {} }] }),
+        skills: () => Promise.resolve({ data: [] }),
+      },
+      command: {
+        list: () => Promise.resolve({ data: [] }),
+      },
+      session: {
+        create: (input: { model?: { id?: string } }) => Promise.resolve({ data: { id: input.model?.id } }),
+        list: () => {
+          historyCalls.push("list")
+          return Promise.resolve({ data: [{ id: "ses_recent" }] })
+        },
+        messages: () => {
+          historyCalls.push("messages")
+          return Promise.resolve({
+            data: [{ info: { role: "user", model: { providerID: "test", modelID: "second-model" } } }],
+          })
+        },
+      },
+      mcp: {
+        add: () => Promise.resolve({ data: {} }),
+      },
+    } as unknown as OpencodeClient
+    const service = ACPNextService.make({ sdk })
+
+    const result = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
+
+    expect(result.sessionId).toBe("test-model")
+    expect(result.configOptions?.find((option) => option.id === "model")?.currentValue).toBe("test/test-model")
+    expect(historyCalls).toEqual([])
+  })
+
   it("switches model and returns updated model and effort options", async () => {
     const { service } = makeService()
     const session = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
@@ -611,24 +716,35 @@ describe("ACP next service sessions", () => {
     expect(results.map((error) => error.code)).toEqual([-32602, -32602, -32602, -32602])
   })
 
-  it("does not reload providers or commands when switching effort from a warm snapshot", async () => {
-    let providersCalls = 0
-    let commandCalls = 0
+  it("does not refetch providers modes or commands when switching effort from session snapshot", async () => {
+    const calls = {
+      providers: 0,
+      agents: 0,
+      commands: 0,
+      skills: 0,
+      mcpAdds: 0,
+    }
     const sdk = {
       config: {
         providers: () => {
-          providersCalls++
+          calls.providers++
           return Promise.resolve({ data: { providers: [provider], default: { test: modelID } } })
         },
         get: () => Promise.resolve({ data: {} }),
       },
       app: {
-        agents: () => Promise.resolve({ data: [{ name: "build", mode: "primary", permission: [], options: {} }] }),
-        skills: () => Promise.resolve({ data: [] }),
+        agents: () => {
+          calls.agents++
+          return Promise.resolve({ data: [{ name: "build", mode: "primary", permission: [], options: {} }] })
+        },
+        skills: () => {
+          calls.skills++
+          return Promise.resolve({ data: [] })
+        },
       },
       command: {
         list: () => {
-          commandCalls++
+          calls.commands++
           return Promise.resolve({ data: [] })
         },
       },
@@ -637,14 +753,16 @@ describe("ACP next service sessions", () => {
         list: () => Promise.resolve({ data: [] }),
       },
       mcp: {
-        add: () => Promise.resolve({ data: {} }),
+        add: () => {
+          calls.mcpAdds++
+          return Promise.resolve({ data: {} })
+        },
       },
     } as unknown as OpencodeClient
     const service = ACPNextService.make({ sdk })
     const session = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
 
-    expect(providersCalls).toBe(1)
-    expect(commandCalls).toBe(1)
+    expect(calls).toEqual({ providers: 1, agents: 1, commands: 1, skills: 1, mcpAdds: 0 })
 
     await Effect.runPromise(
       service.setSessionConfigOption({
@@ -654,11 +772,350 @@ describe("ACP next service sessions", () => {
       }),
     )
 
-    expect(providersCalls).toBe(1)
-    expect(commandCalls).toBe(1)
+    expect(calls).toEqual({ providers: 1, agents: 1, commands: 1, skills: 1, mcpAdds: 0 })
+  })
+
+  it("switches model against the warm provider snapshot without refetching", async () => {
+    const calls = {
+      providers: 0,
+      agents: 0,
+      commands: 0,
+      skills: 0,
+    }
+    const sdk = {
+      config: {
+        providers: () => {
+          calls.providers++
+          return Promise.resolve({ data: { providers: [provider], default: { test: modelID } } })
+        },
+        get: () => Promise.resolve({ data: {} }),
+      },
+      app: {
+        agents: () => {
+          calls.agents++
+          return Promise.resolve({ data: [{ name: "build", mode: "primary", permission: [], options: {} }] })
+        },
+        skills: () => {
+          calls.skills++
+          return Promise.resolve({ data: [] })
+        },
+      },
+      command: {
+        list: () => {
+          calls.commands++
+          return Promise.resolve({ data: [] })
+        },
+      },
+      session: {
+        create: () => Promise.resolve({ data: { id: "ses_model_fast" } }),
+        list: () => Promise.resolve({ data: [] }),
+      },
+      mcp: {
+        add: () => Promise.resolve({ data: {} }),
+      },
+    } as unknown as OpencodeClient
+    const service = ACPNextService.make({ sdk })
+    const session = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
+    const updated = await Effect.runPromise(
+      service.setSessionConfigOption({
+        sessionId: session.sessionId,
+        configId: "model",
+        value: "test/second-model",
+      }),
+    )
+
+    expect(select(updated, "model")?.currentValue).toBe("test/second-model")
+    expect(calls).toEqual({ providers: 1, agents: 1, commands: 1, skills: 1 })
+  })
+
+  it("reuses the warm directory snapshot for a second new session in the same cwd", async () => {
+    const calls = {
+      providers: 0,
+      config: 0,
+      agents: 0,
+      commands: 0,
+      skills: 0,
+      sessionList: 0,
+      messages: 0,
+      creates: 0,
+    }
+    const sdk = {
+      config: {
+        providers: () => {
+          calls.providers++
+          return Promise.resolve({ data: { providers: [provider], default: { test: modelID } } })
+        },
+        get: () => {
+          calls.config++
+          return Promise.resolve({ data: {} })
+        },
+      },
+      app: {
+        agents: () => {
+          calls.agents++
+          return Promise.resolve({ data: [{ name: "build", mode: "primary", permission: [], options: {} }] })
+        },
+        skills: () => {
+          calls.skills++
+          return Promise.resolve({ data: [] })
+        },
+      },
+      command: {
+        list: () => {
+          calls.commands++
+          return Promise.resolve({ data: [] })
+        },
+      },
+      session: {
+        create: () => {
+          calls.creates++
+          return Promise.resolve({ data: { id: `ses_warm_${calls.creates}` } })
+        },
+        list: () => {
+          calls.sessionList++
+          return Promise.resolve({ data: [] })
+        },
+        messages: () => {
+          calls.messages++
+          return Promise.resolve({ data: [] })
+        },
+      },
+      mcp: {
+        add: () => Promise.resolve({ data: {} }),
+      },
+    } as unknown as OpencodeClient
+    const service = ACPNextService.make({ sdk })
+
+    const first = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
+    const second = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
+
+    expect(first.sessionId).toBe("ses_warm_1")
+    expect(second.sessionId).toBe("ses_warm_2")
+    expect(calls).toEqual({
+      providers: 1,
+      config: 1,
+      agents: 1,
+      commands: 1,
+      skills: 1,
+      sessionList: 0,
+      messages: 0,
+      creates: 2,
+    })
+  })
+
+  it("normal text prompt sends model variant mode and converted parts", async () => {
+    const { service, prompts, usageUpdates } = makeService()
+    const session = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
+    await Effect.runPromise(
+      service.setSessionConfigOption({
+        sessionId: session.sessionId,
+        configId: "effort",
+        value: "high",
+      }),
+    )
+    await Effect.runPromise(
+      service.setSessionConfigOption({
+        sessionId: session.sessionId,
+        configId: "mode",
+        value: "plan",
+      }),
+    )
+
+    const result = await Effect.runPromise(
+      service.prompt({
+        sessionId: session.sessionId,
+        messageId: "00000000-0000-4000-8000-000000000001",
+        prompt: [{ type: "text", text: "hello" }],
+      }),
+    )
+
+    expect(prompts).toEqual([
+      {
+        sessionID: session.sessionId,
+        model: { providerID, modelID },
+        variant: "high",
+        parts: [{ type: "text", text: "hello" }],
+        agent: "plan",
+        directory: "/workspace",
+      },
+    ])
+    expect(result).toEqual({
+      stopReason: "end_turn",
+      usage: {
+        inputTokens: 100,
+        outputTokens: 40,
+        thoughtTokens: 7,
+        cachedReadTokens: 11,
+        cachedWriteTokens: 13,
+        totalTokens: 171,
+      },
+      userMessageId: "00000000-0000-4000-8000-000000000001",
+      _meta: {},
+    })
+    expect(usageUpdates).toEqual([session.sessionId])
+  })
+
+  it("prompt maps assistant and user audience annotations", async () => {
+    const { service, prompts } = makeService()
+    const session = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
+
+    await Effect.runPromise(
+      service.prompt({
+        sessionId: session.sessionId,
+        prompt: [
+          { type: "text", text: "assistant context", annotations: { audience: ["assistant"] } },
+          { type: "text", text: "user context", annotations: { audience: ["user"] } },
+        ],
+      }),
+    )
+
+    expect(prompts).toContainEqual({
+      sessionID: session.sessionId,
+      model: { providerID, modelID },
+      variant: "default",
+      parts: [
+        { type: "text", text: "assistant context", synthetic: true },
+        { type: "text", text: "user context", ignored: true },
+      ],
+      agent: "build",
+      directory: "/workspace",
+    })
+  })
+
+  it("prompt sends image and resource parts", async () => {
+    const { service, prompts } = makeService()
+    const session = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
+
+    await Effect.runPromise(
+      service.prompt({
+        sessionId: session.sessionId,
+        prompt: [
+          { type: "image", data: "AAAA", mimeType: "image/png", uri: "file:///tmp/screenshot.png" },
+          {
+            type: "resource",
+            resource: {
+              uri: "file:///tmp/report.pdf",
+              mimeType: "application/pdf",
+              blob: "JVBERg==",
+            },
+          },
+        ],
+      }),
+    )
+
+    expect((prompts[0] as { parts?: unknown }).parts).toEqual([
+      {
+        type: "file",
+        url: "data:image/png;base64,AAAA",
+        filename: "screenshot.png",
+        mime: "image/png",
+      },
+      {
+        type: "file",
+        url: "data:application/pdf;base64,JVBERg==",
+        filename: "report.pdf",
+        mime: "application/pdf",
+      },
+    ])
+  })
+
+  it("slash command prompt calls session command", async () => {
+    const { service, prompts, commands } = makeService()
+    const session = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
+
+    const result = await Effect.runPromise(
+      service.prompt({ sessionId: session.sessionId, prompt: [{ type: "text", text: "/init now" }] }),
+    )
+
+    expect(prompts).toEqual([])
+    expect(commands).toEqual([
+      {
+        sessionID: session.sessionId,
+        command: "init",
+        arguments: "now",
+        model: "test/test-model",
+        variant: "default",
+        agent: "build",
+        directory: "/workspace",
+      },
+    ])
+    expect(result.usage).toEqual({ inputTokens: 3, outputTokens: 4, totalTokens: 7 })
+  })
+
+  it("compact slash command calls summarize path", async () => {
+    const { service, prompts, commands, summarizes } = makeService()
+    const session = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
+
+    await Effect.runPromise(
+      service.prompt({ sessionId: session.sessionId, prompt: [{ type: "text", text: "/compact" }] }),
+    )
+
+    expect(prompts).toEqual([])
+    expect(commands).toEqual([])
+    expect(summarizes).toEqual([
+      {
+        sessionID: session.sessionId,
+        directory: "/workspace",
+        providerID,
+        modelID,
+      },
+    ])
+  })
+
+  it("maps prompt auth failures to auth-required request errors", async () => {
+    const { service } = makeService()
+    const session = await Effect.runPromise(service.newSession({ cwd: "/workspace", mcpServers: [] }))
+    const failing = ACPNextService.make({
+      sdk: {
+        config: {
+          providers: () => Promise.resolve({ data: { providers: [provider], default: { test: modelID } } }),
+          get: () => Promise.resolve({ data: {} }),
+        },
+        app: {
+          agents: () => Promise.resolve({ data: [{ name: "build", mode: "primary", permission: [], options: {} }] }),
+          skills: () => Promise.resolve({ data: [] }),
+        },
+        command: {
+          list: () => Promise.resolve({ data: [] }),
+        },
+        session: {
+          create: () => Promise.resolve({ data: { id: session.sessionId } }),
+          list: () => Promise.resolve({ data: [] }),
+          prompt: () => Promise.reject({ name: "ProviderAuthError", data: { providerID: "test" } }),
+        },
+        mcp: {
+          add: () => Promise.resolve({ data: {} }),
+        },
+      } as unknown as OpencodeClient,
+      usage: UsageService.Service.of({
+        buildUsage: UsageService.buildUsage,
+        latestAssistantMessage: UsageService.latestAssistantMessage,
+        totalSessionCost: UsageService.totalSessionCost,
+        contextLimit: () => Effect.succeed(128000),
+        sendUpdate: () => Effect.void,
+      }),
+    })
+    await Effect.runPromise(failing.newSession({ cwd: "/workspace", mcpServers: [] }))
+    const error = await Effect.runPromise(
+      failing
+        .prompt({ sessionId: session.sessionId, prompt: [{ type: "text", text: "hello" }] })
+        .pipe(Effect.mapError(ACPNextError.toRequestError), Effect.flip),
+    )
+
+    expect(error.code).toBe(-32000)
   })
 })
 
+function assistantInfo(tokens: UsageService.AssistantTokenCost["tokens"]): UsageService.AssistantMessage {
+  return {
+    role: "assistant",
+    providerID: "test",
+    modelID: "test-model",
+    cost: 0,
+    tokens,
+  }
+}
+
 function categories(result: NewSessionResponse | LoadSessionResponse) {
   return result.configOptions?.map((option) => option.category) ?? []
 }

packages/opencode/test/cli/acp-next/acp-next-process.test.ts

@@ -1,282 +0,0 @@
-import { describe, expect } from "bun:test"
-import type {
-  AuthenticateResponse,
-  CloseSessionResponse,
-  InitializeResponse,
-  LoadSessionResponse,
-  NewSessionResponse,
-  ResumeSessionResponse,
-  SessionNotification,
-  SetSessionConfigOptionResponse,
-} from "@agentclientprotocol/sdk"
-import { Effect } from "effect"
-import { cliIt } from "../../lib/cli-process"
-import { testProviderConfig } from "../../lib/test-provider"
-import { createAcpClient, expectOk, firstAlternateValue, selectConfigOption } from "../acp/acp-test-client"
-
-describe("opencode acp-next (subprocess)", () => {
-  cliIt.live(
-    "responds to initialize behind OPENCODE_ACP_NEXT",
-    ({ opencode }) =>
-      Effect.gen(function* () {
-        const acp = createAcpClient(yield* opencode.acp({ env: { OPENCODE_ACP_NEXT: "1" } }))
-        const initialized = expectOk(
-          yield* acp.request<InitializeResponse>("initialize", {
-            protocolVersion: 1,
-            clientCapabilities: { _meta: { "terminal-auth": true } },
-          }),
-        )
-
-        expect(initialized.protocolVersion).toBe(1)
-        expect(initialized.agentCapabilities?.promptCapabilities?.embeddedContext).toBe(true)
-        expect(initialized.agentCapabilities?.promptCapabilities?.image).toBe(true)
-        expect(initialized.agentCapabilities?.mcpCapabilities?.http).toBe(true)
-        expect(initialized.agentCapabilities?.mcpCapabilities?.sse).toBe(true)
-        expect(initialized.agentCapabilities?.loadSession).toBe(true)
-        expect(initialized.agentCapabilities?.sessionCapabilities?.close).toEqual({})
-        expect(initialized.agentCapabilities?.sessionCapabilities?.fork).toEqual({})
-        expect(initialized.agentCapabilities?.sessionCapabilities?.list).toEqual({})
-        expect(initialized.agentCapabilities?.sessionCapabilities?.resume).toEqual({})
-        expect(initialized.agentInfo?.name).toBe("OpenCode")
-        expect(initialized.authMethods?.[0]?.id).toBe("opencode-login")
-        expect(initialized.authMethods?.[0]?._meta?.["terminal-auth"]).toBeDefined()
-      }),
-    60_000,
-  )
-
-  cliIt.live(
-    "authenticate succeeds for the advertised auth method and rejects unknown methods safely",
-    ({ opencode }) =>
-      Effect.gen(function* () {
-        const acp = createAcpClient(yield* opencode.acp({ env: { OPENCODE_ACP_NEXT: "1" } }))
-        const initialized = expectOk(yield* acp.request<InitializeResponse>("initialize", { protocolVersion: 1 }))
-        const methodId = initialized.authMethods?.[0]?.id
-        expect(methodId).toBe("opencode-login")
-
-        expectOk(yield* acp.request<AuthenticateResponse>("authenticate", { methodId }))
-
-        const rejected = yield* acp.request<AuthenticateResponse>("authenticate", { methodId: "missing-auth-method" })
-        expect(errorCode(rejected.error)).toBe(-32602)
-      }),
-    60_000,
-  )
-
-  cliIt.live(
-    "creates and loads sessions behind OPENCODE_ACP_NEXT",
-    ({ home, llm, opencode }) =>
-      Effect.gen(function* () {
-        const acp = createAcpClient(
-          yield* opencode.acp({
-            env: {
-              OPENCODE_ACP_NEXT: "1",
-              OPENCODE_CONFIG_CONTENT: JSON.stringify(testProviderConfig(llm.url)),
-            },
-          }),
-        )
-        yield* acp.request<InitializeResponse>("initialize", { protocolVersion: 1 })
-
-        const session = expectOk(yield* acp.request<NewSessionResponse>("session/new", { cwd: home, mcpServers: [] }))
-        expect(typeof session.sessionId).toBe("string")
-        expect(selectConfigOption(session.configOptions, "model")?.category).toBe("model")
-
-        const update = yield* acp.waitForNotification<SessionNotification>(
-          "session/update",
-          (params) =>
-            params.sessionId === session.sessionId && params.update.sessionUpdate === "available_commands_update",
-        )
-        expect(update.params?.sessionId).toBe(session.sessionId)
-
-        const loaded = expectOk(
-          yield* acp.request<LoadSessionResponse>("session/load", {
-            cwd: home,
-            sessionId: session.sessionId,
-            mcpServers: [],
-          }),
-        )
-        expect(selectConfigOption(loaded.configOptions, "model")?.category).toBe("model")
-
-        const prompt = yield* acp.request("session/prompt", {
-          sessionId: "ses_missing",
-          prompt: [{ type: "text", text: "hello" }],
-        })
-        expect(errorCode(prompt.error)).toBe(-32601)
-      }),
-    60_000,
-  )
-
-  cliIt.live(
-    "switches model through config options behind OPENCODE_ACP_NEXT",
-    ({ home, llm, opencode }) =>
-      Effect.gen(function* () {
-        const acp = createAcpClient(
-          yield* opencode.acp({
-            env: {
-              OPENCODE_ACP_NEXT: "1",
-              OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)),
-            },
-          }),
-        )
-        yield* acp.request<InitializeResponse>("initialize", { protocolVersion: 1 })
-        const session = expectOk(yield* acp.request<NewSessionResponse>("session/new", { cwd: home, mcpServers: [] }))
-
-        const updated = expectOk(
-          yield* acp.request<SetSessionConfigOptionResponse>("session/set_config_option", {
-            sessionId: session.sessionId,
-            configId: "model",
-            value: "test/second-model",
-          }),
-        )
-
-        expect(selectConfigOption(updated.configOptions, "model")?.currentValue).toBe("test/second-model")
-      }),
-    60_000,
-  )
-
-  cliIt.live(
-    "switches effort through config options behind OPENCODE_ACP_NEXT",
-    ({ home, llm, opencode }) =>
-      Effect.gen(function* () {
-        const acp = createAcpClient(
-          yield* opencode.acp({
-            env: {
-              OPENCODE_ACP_NEXT: "1",
-              OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)),
-            },
-          }),
-        )
-        yield* acp.request<InitializeResponse>("initialize", { protocolVersion: 1 })
-        const session = expectOk(yield* acp.request<NewSessionResponse>("session/new", { cwd: home, mcpServers: [] }))
-        const effort = selectConfigOption(session.configOptions, "effort")
-        expect(effort?.category).toBe("thought_level")
-        const nextEffort = effort ? firstAlternateValue(effort) : undefined
-        expect(nextEffort).toBe("high")
-
-        const updated = expectOk(
-          yield* acp.request<SetSessionConfigOptionResponse>("session/set_config_option", {
-            sessionId: session.sessionId,
-            configId: "effort",
-            value: nextEffort,
-          }),
-        )
-
-        expect(selectConfigOption(updated.configOptions, "effort")?.currentValue).toBe(nextEffort)
-      }),
-    60_000,
-  )
-
-  cliIt.live(
-    "advertises and supports close behind OPENCODE_ACP_NEXT",
-    ({ home, llm, opencode }) =>
-      Effect.gen(function* () {
-        const acp = createAcpClient(
-          yield* opencode.acp({
-            env: {
-              OPENCODE_ACP_NEXT: "1",
-              OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)),
-            },
-          }),
-        )
-        const initialized = expectOk(yield* acp.request<InitializeResponse>("initialize", { protocolVersion: 1 }))
-        expect(initialized.agentCapabilities?.sessionCapabilities?.close).toEqual({})
-        const session = expectOk(yield* acp.request<NewSessionResponse>("session/new", { cwd: home, mcpServers: [] }))
-
-        expectOk(yield* acp.request<CloseSessionResponse>("session/close", { sessionId: session.sessionId }))
-      }),
-    60_000,
-  )
-
-  cliIt.live(
-    "advertises and supports resume behind OPENCODE_ACP_NEXT",
-    ({ home, llm, opencode }) =>
-      Effect.gen(function* () {
-        const acp = createAcpClient(
-          yield* opencode.acp({
-            env: {
-              OPENCODE_ACP_NEXT: "1",
-              OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)),
-            },
-          }),
-        )
-        const initialized = expectOk(yield* acp.request<InitializeResponse>("initialize", { protocolVersion: 1 }))
-        expect(initialized.agentCapabilities?.sessionCapabilities?.resume).toEqual({})
-        const session = expectOk(yield* acp.request<NewSessionResponse>("session/new", { cwd: home, mcpServers: [] }))
-        const resumed = expectOk(
-          yield* acp.request<ResumeSessionResponse>("session/resume", {
-            cwd: home,
-            sessionId: session.sessionId,
-            mcpServers: [],
-          }),
-        )
-
-        expect(selectConfigOption(resumed.configOptions, "model")?.category).toBe("model")
-      }),
-    60_000,
-  )
-
-  cliIt.live(
-    "exits cleanly when flagged stdin is closed",
-    ({ opencode }) =>
-      Effect.gen(function* () {
-        const exitedPromise = yield* Effect.scoped(
-          Effect.gen(function* () {
-            const acp = yield* opencode.acp({ env: { OPENCODE_ACP_NEXT: "1" } })
-            return acp.exited
-          }),
-        )
-
-        const code = yield* Effect.promise(() => exitedPromise)
-        expect(typeof code === "number" || code === null).toBe(true)
-      }),
-    60_000,
-  )
-
-  cliIt.live(
-    "default unflagged path still uses production ACP",
-    ({ opencode }) =>
-      Effect.gen(function* () {
-        const acp = createAcpClient(yield* opencode.acp())
-        const initialized = expectOk(yield* acp.request<InitializeResponse>("initialize", { protocolVersion: 1 }))
-
-        expect(initialized.agentCapabilities?.sessionCapabilities?.close).toEqual({})
-        expect(initialized.agentCapabilities?.sessionCapabilities?.resume).toEqual({})
-      }),
-    60_000,
-  )
-})
-
-function errorCode(error: unknown) {
-  if (!error || typeof error !== "object") return undefined
-  if (!("code" in error)) return undefined
-  return typeof error.code === "number" ? error.code : undefined
-}
-
-function verifierConfig(llmUrl: string) {
-  const config = testProviderConfig(llmUrl)
-  return {
-    ...config,
-    model: "test/test-model",
-    provider: {
-      test: {
-        ...config.provider.test,
-        models: {
-          "test-model": {
-            ...config.provider.test.models["test-model"],
-            variants: {
-              low: {},
-              high: {},
-            },
-          },
-          "second-model": {
-            ...config.provider.test.models["test-model"],
-            id: "second-model",
-            name: "Second Test Model",
-            variants: {
-              medium: {},
-              max: {},
-            },
-          },
-        },
-      },
-    },
-  }
-}

packages/opencode/test/cli/acp-next/config-options.test.ts

@@ -0,0 +1,103 @@
+import { describe, expect } from "bun:test"
+import type { SetSessionConfigOptionResponse } from "@agentclientprotocol/sdk"
+import { Effect } from "effect"
+import { cliIt } from "../../lib/cli-process"
+import { expectOk, flattenSelectOptions, selectConfigOption } from "../acp/acp-test-client"
+import {
+  createAcpNextClient,
+  expectAlternateValue,
+  expectSelectOption,
+  initialize,
+  newSession,
+  verifierConfig,
+} from "./helpers"
+
+describe("opencode acp-next config option subprocess", () => {
+  cliIt.live(
+    'model option is listed with category "model"',
+    ({ home, llm, opencode }) =>
+      Effect.gen(function* () {
+        const acp = yield* createAcpNextClient(
+          { opencode },
+          { OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)) },
+        )
+        yield* initialize(acp)
+        const model = expectSelectOption((yield* newSession(acp, home)).configOptions, "model")
+
+        expect(model.category).toBe("model")
+        expect(model.currentValue).toBe("test/test-model")
+        expect(flattenSelectOptions(model).length).toBeGreaterThanOrEqual(2)
+      }),
+    60_000,
+  )
+
+  cliIt.live(
+    "model switch updates currentValue",
+    ({ home, llm, opencode }) =>
+      Effect.gen(function* () {
+        const acp = yield* createAcpNextClient(
+          { opencode },
+          { OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)) },
+        )
+        yield* initialize(acp)
+        const session = yield* newSession(acp, home)
+        const model = expectSelectOption(session.configOptions, "model")
+        const nextModel = flattenSelectOptions(model).find((option) => option.value === "test/second-model")?.value
+        expect(nextModel).toBe("test/second-model")
+
+        const updated = expectOk(
+          yield* acp.request<SetSessionConfigOptionResponse>("session/set_config_option", {
+            sessionId: session.sessionId,
+            configId: "model",
+            value: nextModel,
+          }),
+        )
+
+        expect(selectConfigOption(updated.configOptions, "model")?.currentValue).toBe(nextModel)
+      }),
+    60_000,
+  )
+
+  cliIt.live(
+    'effort option is listed with category "thought_level" when selected model supports variants',
+    ({ home, llm, opencode }) =>
+      Effect.gen(function* () {
+        const acp = yield* createAcpNextClient(
+          { opencode },
+          { OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)) },
+        )
+        yield* initialize(acp)
+        const effort = expectSelectOption((yield* newSession(acp, home)).configOptions, "effort")
+
+        expect(effort.category).toBe("thought_level")
+        expect(effort.currentValue).toBe("low")
+        expect(flattenSelectOptions(effort).map((option) => option.value)).toEqual(["low", "high"])
+      }),
+    60_000,
+  )
+
+  cliIt.live(
+    "effort switch updates currentValue",
+    ({ home, llm, opencode }) =>
+      Effect.gen(function* () {
+        const acp = yield* createAcpNextClient(
+          { opencode },
+          { OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)) },
+        )
+        yield* initialize(acp)
+        const session = yield* newSession(acp, home)
+        const nextEffort = expectAlternateValue(expectSelectOption(session.configOptions, "effort"))
+
+        const updated = expectOk(
+          yield* acp.request<SetSessionConfigOptionResponse>("session/set_config_option", {
+            sessionId: session.sessionId,
+            configId: "effort",
+            value: nextEffort,
+          }),
+        )
+
+        expect(selectConfigOption(updated.configOptions, "effort")?.currentValue).toBe(nextEffort)
+      }),
+    60_000,
+  )
+})

packages/opencode/test/cli/acp-next/helpers.ts

@@ -0,0 +1,103 @@
+import { expect } from "bun:test"
+import type { InitializeResponse, NewSessionResponse, SessionConfigOption } from "@agentclientprotocol/sdk"
+import { Effect } from "effect"
+import type { CliFixture } from "../../lib/cli-process"
+import { testProviderConfig } from "../../lib/test-provider"
+import {
+  createAcpClient,
+  expectOk,
+  flattenSelectOptions,
+  selectConfigOption,
+  type AcpClient,
+} from "../acp/acp-test-client"
+
+export function createAcpNextClient(input: Pick<CliFixture, "opencode">, env?: Record<string, string>) {
+  return Effect.gen(function* () {
+    return createAcpClient(
+      yield* input.opencode.acp({
+        env: {
+          OPENCODE_ACP_NEXT: "1",
+          ...env,
+        },
+      }),
+    )
+  })
+}
+
+export function initialize(acp: AcpClient) {
+  return Effect.gen(function* () {
+    return expectOk(
+      yield* acp.request<InitializeResponse>("initialize", {
+        protocolVersion: 1,
+        clientCapabilities: { _meta: { "terminal-auth": true } },
+        clientInfo: { name: "opencode-local-acp-next", version: "0.1.0" },
+      }),
+    )
+  })
+}
+
+export function newSession(acp: AcpClient, cwd: string) {
+  return Effect.gen(function* () {
+    return expectOk(yield* acp.request<NewSessionResponse>("session/new", { cwd, mcpServers: [] }))
+  })
+}
+
+export function verifierConfig(llmUrl: string, skills?: string) {
+  const config = testProviderConfig(llmUrl)
+  return {
+    ...config,
+    model: "test/test-model",
+    ...(skills ? { skills: { paths: [skills] } } : {}),
+    provider: {
+      test: {
+        ...config.provider.test,
+        models: {
+          "test-model": {
+            ...config.provider.test.models["test-model"],
+            variants: {
+              low: {},
+              high: {},
+            },
+          },
+          "second-model": {
+            ...config.provider.test.models["test-model"],
+            id: "second-model",
+            name: "Second Test Model",
+            variants: {
+              medium: {},
+              max: {},
+            },
+          },
+        },
+      },
+    },
+  }
+}
+
+export function expectErrorCode(error: unknown, code: number) {
+  if (!error || typeof error !== "object" || !("code" in error)) {
+    expect(error).toEqual({ code })
+    return
+  }
+  expect(error.code).toBe(code)
+}
+
+export function expectSelectOption(options: SessionConfigOption[] | null | undefined, id: string) {
+  const option = selectConfigOption(options, id)
+  expect(option).toBeDefined()
+  return option!
+}
+
+export function expectAlternateValue(option: ReturnType<typeof expectSelectOption>) {
+  const value = flattenSelectOptions(option).find((item) => item.value !== option.currentValue)?.value
+  expect(value).toBeDefined()
+  return value!
+}
+
+export const verifierSkill = `---
+name: verifier-skill
+description: Verifier compatibility skill.
+---
+
+# Verifier Skill
+`

packages/opencode/test/cli/acp-next/initialize-auth.test.ts

@@ -0,0 +1,61 @@
+import { describe, expect } from "bun:test"
+import type { AuthenticateResponse, InitializeResponse } from "@agentclientprotocol/sdk"
+import { Effect } from "effect"
+import { cliIt } from "../../lib/cli-process"
+import { createAcpNextClient, expectErrorCode, initialize } from "./helpers"
+
+describe("opencode acp-next initialize/auth subprocess", () => {
+  cliIt.live(
+    "initialize responds with capabilities",
+    ({ opencode }) =>
+      Effect.gen(function* () {
+        const initialized = yield* initialize(yield* createAcpNextClient({ opencode }))
+
+        expect(initialized.protocolVersion).toBe(1)
+        expect(initialized.agentCapabilities?.promptCapabilities?.embeddedContext).toBe(true)
+        expect(initialized.agentCapabilities?.promptCapabilities?.image).toBe(true)
+        expect(initialized.agentCapabilities?.mcpCapabilities?.http).toBe(true)
+        expect(initialized.agentCapabilities?.mcpCapabilities?.sse).toBe(true)
+        expect(initialized.agentCapabilities?.loadSession).toBe(true)
+        expect(initialized.agentCapabilities?.sessionCapabilities?.close).toEqual({})
+        expect(initialized.agentCapabilities?.sessionCapabilities?.fork).toEqual({})
+        expect(initialized.agentCapabilities?.sessionCapabilities?.list).toEqual({})
+        expect(initialized.agentCapabilities?.sessionCapabilities?.resume).toEqual({})
+        expect(initialized.agentInfo?.name).toBe("OpenCode")
+      }),
+    60_000,
+  )
+
+  cliIt.live(
+    "auth negotiation is explicit and safe",
+    ({ opencode }) =>
+      Effect.gen(function* () {
+        const acp = yield* createAcpNextClient({ opencode })
+        const initialized = yield* initialize(acp)
+
+        expect(initialized.authMethods?.[0]?.id).toBe("opencode-login")
+        expect(initialized.authMethods?.[0]?._meta?.["terminal-auth"]).toBeDefined()
+        expect(yield* acp.request<AuthenticateResponse>("authenticate", { methodId: "opencode-login" })).toMatchObject({
+          result: {},
+        })
+
+        const rejected = yield* acp.request<AuthenticateResponse>("authenticate", { methodId: "missing-auth-method" })
+        expectErrorCode(rejected.error, -32602)
+        expect(JSON.stringify(rejected.error)).not.toContain(process.env.OPENCODE_AUTH_CONTENT ?? "not-present")
+      }),
+    60_000,
+  )
+
+  cliIt.live(
+    "initialize without terminal-auth metadata keeps auth command implicit",
+    ({ opencode }) =>
+      Effect.gen(function* () {
+        const acp = yield* createAcpNextClient({ opencode })
+        const initialized = yield* acp.request<InitializeResponse>("initialize", { protocolVersion: 1 })
+
+        expect(initialized.result?.authMethods?.[0]?.id).toBe("opencode-login")
+        expect(initialized.result?.authMethods?.[0]?._meta?.["terminal-auth"]).toBeUndefined()
+      }),
+    60_000,
+  )
+})

packages/opencode/test/cli/acp-next/lifecycle.test.ts

@@ -0,0 +1,118 @@
+import { describe, expect } from "bun:test"
+import type {
+  CloseSessionResponse,
+  ListSessionsResponse,
+  LoadSessionResponse,
+  ResumeSessionResponse,
+} from "@agentclientprotocol/sdk"
+import { Duration, Effect } from "effect"
+import { cliIt } from "../../lib/cli-process"
+import { expectOk, selectConfigOption } from "../acp/acp-test-client"
+import { createAcpNextClient, initialize, newSession, verifierConfig } from "./helpers"
+
+describe("opencode acp-next lifecycle subprocess", () => {
+  cliIt.live(
+    "stdin EOF exits cleanly",
+    ({ opencode }) =>
+      Effect.gen(function* () {
+        const acp = yield* opencode.acp({ env: { OPENCODE_ACP_NEXT: "1" } })
+        acp.close()
+
+        const code = yield* Effect.promise(() => acp.exited).pipe(Effect.timeout(Duration.seconds(5)))
+        expect(code).toBe(0)
+      }),
+    60_000,
+  )
+
+  cliIt.live(
+    "close capability and close request",
+    ({ home, llm, opencode }) =>
+      Effect.gen(function* () {
+        const acp = yield* createAcpNextClient(
+          { opencode },
+          { OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)) },
+        )
+        const initialized = yield* initialize(acp)
+        expect(initialized.agentCapabilities?.sessionCapabilities?.close).toEqual({})
+
+        const session = yield* newSession(acp, home)
+        expectOk(yield* acp.request<CloseSessionResponse>("session/close", { sessionId: session.sessionId }))
+      }),
+    60_000,
+  )
+
+  cliIt.live(
+    "loadSession capability and load request return session config options",
+    ({ home, llm, opencode }) =>
+      Effect.gen(function* () {
+        const acp = yield* createAcpNextClient(
+          { opencode },
+          { OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)) },
+        )
+        const initialized = yield* initialize(acp)
+        expect(initialized.agentCapabilities?.loadSession).toBe(true)
+        const session = yield* newSession(acp, home)
+        const loaded = expectOk(
+          yield* acp.request<LoadSessionResponse>("session/load", {
+            cwd: home,
+            sessionId: session.sessionId,
+            mcpServers: [],
+          }),
+        )
+
+        expect(selectConfigOption(loaded.configOptions, "model")?.category).toBe("model")
+      }),
+    60_000,
+  )
+
+  cliIt.live(
+    "list request includes a live ACP-created session",
+    ({ home, llm, opencode }) =>
+      Effect.gen(function* () {
+        const acp = yield* createAcpNextClient(
+          { opencode },
+          { OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)) },
+        )
+        yield* initialize(acp)
+        const session = yield* newSession(acp, home)
+        const listed = expectOk(yield* acp.request<ListSessionsResponse>("session/list", { cwd: home }))
+
+        expect(listed.sessions.some((item) => item.sessionId === session.sessionId)).toBe(true)
+      }),
+    60_000,
+  )
+
+  cliIt.live(
+    "resume capability advertisement",
+    ({ opencode }) =>
+      Effect.gen(function* () {
+        const initialized = yield* initialize(yield* createAcpNextClient({ opencode }))
+
+        expect(initialized.agentCapabilities?.sessionCapabilities?.resume).toEqual({})
+      }),
+    60_000,
+  )
+
+  cliIt.live(
+    "resume request returns session config options",
+    ({ home, llm, opencode }) =>
+      Effect.gen(function* () {
+        const acp = yield* createAcpNextClient(
+          { opencode },
+          { OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url)) },
+        )
+        yield* initialize(acp)
+        const session = yield* newSession(acp, home)
+        const resumed = expectOk(
+          yield* acp.request<ResumeSessionResponse>("session/resume", {
+            cwd: home,
+            sessionId: session.sessionId,
+            mcpServers: [],
+          }),
+        )
+
+        expect(selectConfigOption(resumed.configOptions, "model")?.category).toBe("model")
+      }),
+    60_000,
+  )
+})

packages/opencode/test/cli/acp-next/prompt-content.test.ts

@@ -0,0 +1,97 @@
+import { describe, expect } from "bun:test"
+import type { PromptResponse } from "@agentclientprotocol/sdk"
+import { Effect } from "effect"
+import { writeFile } from "node:fs/promises"
+import path from "node:path"
+import { pathToFileURL } from "node:url"
+import { cliIt } from "../../lib/cli-process"
+import { expectOk } from "../acp/acp-test-client"
+import { createAcpNextClient, initialize, newSession, verifierConfig } from "./helpers"
+
+const tinyPng = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+ip1sAAAAASUVORK5CYII="
+
+describe("opencode acp-next prompt content subprocess", () => {
+  cliIt.live(
+    "accepts embedded text resource image and file resource link prompt content",
+    ({ home, llm, opencode }) =>
+      Effect.gen(function* () {
+        yield* Effect.promise(() => writeFile(path.join(home, "README.md"), "# ACP content smoke\n"))
+        const acp = yield* createAcpNextClient(
+          { opencode },
+          { OPENCODE_CONFIG_CONTENT: JSON.stringify(promptContentConfig(llm.url)) },
+        )
+        yield* initialize(acp)
+        const session = yield* newSession(acp, home)
+
+        yield* llm.text("embedded resource accepted")
+        expectOk(
+          yield* acp.request<PromptResponse>("session/prompt", {
+            sessionId: session.sessionId,
+            prompt: [
+              { type: "text", text: "Use this embedded resource." },
+              {
+                type: "resource",
+                resource: { uri: "file:///context.txt", mimeType: "text/plain", text: "embedded context" },
+              },
+            ],
+          }),
+        )
+
+        yield* llm.text("image accepted")
+        expectOk(
+          yield* acp.request<PromptResponse>("session/prompt", {
+            sessionId: session.sessionId,
+            prompt: [
+              { type: "text", text: "Use this image." },
+              {
+                type: "image",
+                mimeType: "image/png",
+                data: tinyPng,
+              },
+            ],
+          }),
+        )
+
+        yield* llm.text("file link accepted")
+        const linked = expectOk(
+          yield* acp.request<PromptResponse>("session/prompt", {
+            sessionId: session.sessionId,
+            prompt: [
+              { type: "text", text: "Use this linked file." },
+              {
+                type: "resource_link",
+                uri: pathToFileURL(path.join(home, "README.md")).href,
+                name: "README.md",
+                mimeType: "text/markdown",
+              },
+            ],
+          }),
+        )
+
+        expect(linked.stopReason).toBe("end_turn")
+      }),
+    60_000,
+  )
+})
+
+function promptContentConfig(llmUrl: string) {
+  const config = verifierConfig(llmUrl)
+  return {
+    ...config,
+    provider: {
+      test: {
+        ...config.provider.test,
+        models: Object.fromEntries(
+          Object.entries(config.provider.test.models).map(([id, model]) => [
+            id,
+            {
+              ...model,
+              attachment: true,
+              reasoning: true,
+            },
+          ]),
+        ),
+      },
+    },
+  }
+}

packages/opencode/test/cli/acp-next/skills.test.ts

@@ -0,0 +1,38 @@
+import { describe, expect } from "bun:test"
+import type { SessionNotification } from "@agentclientprotocol/sdk"
+import { Effect } from "effect"
+import { mkdir } from "node:fs/promises"
+import path from "node:path"
+import { cliIt } from "../../lib/cli-process"
+import { createAcpNextClient, initialize, newSession, verifierConfig, verifierSkill } from "./helpers"
+
+describe("opencode acp-next skills subprocess", () => {
+  cliIt.live(
+    "skill slash command appears through available_commands_update",
+    ({ home, llm, opencode }) =>
+      Effect.gen(function* () {
+        const skills = path.join(home, "skills")
+        yield* Effect.promise(() => mkdir(path.join(skills, "verifier-skill"), { recursive: true }))
+        yield* Effect.promise(() => Bun.write(path.join(skills, "verifier-skill", "SKILL.md"), verifierSkill))
+        const acp = yield* createAcpNextClient(
+          { opencode },
+          { OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url, skills)) },
+        )
+        yield* initialize(acp)
+        const session = yield* newSession(acp, home)
+
+        const update = yield* acp.waitForNotification<SessionNotification>(
+          "session/update",
+          (params) =>
+            params.sessionId === session.sessionId &&
+            params.update.sessionUpdate === "available_commands_update" &&
+            params.update.availableCommands.some(
+              (command) => command.name === "verifier-skill" && command.description.length > 0,
+            ),
+        )
+
+        expect(update.params?.sessionId).toBe(session.sessionId)
+      }),
+    60_000,
+  )
+})

packages/opencode/test/cli/acp/acp-compatibility-baseline.test.ts

@@ -40,7 +40,7 @@ describe("opencode acp verifier compatibility baseline", () => {
   )
 
   cliIt.live(
-    "first session timing diagnostic stays bounded and returns model options",
+    "first session returns model options",
     ({ home, llm, opencode }) =>
       Effect.gen(function* () {
         const acp = createAcpClient(
@@ -50,7 +50,6 @@ describe("opencode acp verifier compatibility baseline", () => {
             },
           }),
         )
-        const started = Date.now()
         yield* acp.request<InitializeResponse>("initialize", {
           protocolVersion: 1,
           clientCapabilities: {},
@@ -62,9 +61,6 @@ describe("opencode acp verifier compatibility baseline", () => {
             mcpServers: [],
           }),
         )
-        const durationMs = Date.now() - started
-        expect(durationMs).toBeLessThan(15_000)
-
         const model = selectConfigOption(session.configOptions, "model")
         expect(model?.category).toBe("model")
         expect(model?.currentValue).toBe("test/test-model")
@@ -74,7 +70,7 @@ describe("opencode acp verifier compatibility baseline", () => {
   )
 
   cliIt.live(
-    "warm newSession timing diagnostic stays bounded",
+    "newSession can be called repeatedly",
     ({ home, llm, opencode }) =>
       Effect.gen(function* () {
         const acp = createAcpClient(
@@ -87,22 +83,19 @@ describe("opencode acp verifier compatibility baseline", () => {
         yield* acp.request<InitializeResponse>("initialize", { protocolVersion: 1 })
         yield* acp.request<NewSessionResponse>("session/new", { cwd: home, mcpServers: [] })
 
-        const started = Date.now()
         const session = expectOk(
           yield* acp.request<NewSessionResponse>("session/new", {
             cwd: home,
             mcpServers: [],
           }),
         )
-        const durationMs = Date.now() - started
-        expect(durationMs).toBeLessThan(15_000)
         expect(session.sessionId).toBeTruthy()
       }),
     60_000,
   )
 
   cliIt.live(
-    "model switch timing diagnostic updates currentValue",
+    "model switch updates currentValue",
     ({ home, llm, opencode }) =>
       Effect.gen(function* () {
         const acp = createAcpClient(
@@ -121,7 +114,6 @@ describe("opencode acp verifier compatibility baseline", () => {
           : undefined
         expect(nextModel).toBe("test/second-model")
 
-        const started = Date.now()
         const updated = expectOk(
           yield* acp.request<SetSessionConfigOptionResponse>("session/set_config_option", {
             sessionId: session.sessionId,
@@ -129,9 +121,7 @@ describe("opencode acp verifier compatibility baseline", () => {
             value: nextModel,
           }),
         )
-        const durationMs = Date.now() - started
 
-        expect(durationMs).toBeLessThan(15_000)
         expect(selectConfigOption(updated.configOptions, "model")?.currentValue).toBe(nextModel)
       }),
     60_000,
@@ -189,7 +179,7 @@ describe("opencode acp verifier compatibility baseline", () => {
   )
 
   cliIt.live(
-    "skill slash command timing diagnostic appears through available_commands_update",
+    "skill slash command appears through available_commands_update",
     ({ home, llm, opencode }) =>
       Effect.gen(function* () {
         const skills = path.join(home, "skills")
@@ -214,20 +204,6 @@ describe("opencode acp verifier compatibility baseline", () => {
         )
 
         expect(update.params?.sessionId).toBe(session.sessionId)
-
-        const secondSession = expectOk(
-          yield* acp.request<NewSessionResponse>("session/new", { cwd: home, mcpServers: [] }),
-        )
-        const started = Date.now()
-        yield* acp.waitForNotification<SessionNotification>(
-          "session/update",
-          (params) =>
-            params.sessionId === secondSession.sessionId &&
-            params.update.sessionUpdate === "available_commands_update" &&
-            params.update.availableCommands.some((command) => command.name === "verifier-skill"),
-        )
-        const durationMs = Date.now() - started
-        expect(durationMs).toBeLessThan(15_000)
       }),
     60_000,
   )

packages/opencode/test/cli/tui/keymap.test.tsx

@@ -4,7 +4,12 @@ import { testRender, useRenderer } from "@opentui/solid"
 import { expect, test } from "bun:test"
 import { onCleanup } from "solid-js"
 import { createTuiResolvedConfig } from "../../fixture/tui-runtime"
-import { OpencodeKeymapProvider, registerOpencodeKeymap } from "@/cli/cmd/tui/keymap"
+import {
+  getOpencodeModeStack,
+  OPENCODE_BASE_MODE,
+  OpencodeKeymapProvider,
+  registerOpencodeKeymap,
+} from "@/cli/cmd/tui/keymap"
 
 test("legacy page key aliases compile as page keys", async () => {
   const sequences: Record<string, string[][]> = {}
@@ -52,3 +57,80 @@ test("legacy page key aliases compile as page keys", async () => {
     app.renderer.destroy()
   }
 })
+
+test("mode-less bindings stay active when opencode mode changes", async () => {
+  const counts: Record<string, Record<string, number>> = {}
+
+  function Harness() {
+    const renderer = useRenderer()
+    const keymap = createDefaultOpenTuiKeymap(renderer)
+    const config = createTuiResolvedConfig()
+    const offKeymap = registerOpencodeKeymap(keymap, renderer, config)
+    const offGlobal = keymap.registerLayer({
+      commands: [
+        { name: "session.list", run() {} },
+        { name: "session.new", run() {} },
+        { name: "session.page.up", run() {} },
+        { name: "session.first", run() {} },
+      ],
+      bindings: config.keybinds.gather("test.global", [
+        "session.list",
+        "session.new",
+        "session.page.up",
+        "session.first",
+      ]),
+    })
+    const offBase = keymap.registerLayer({
+      mode: OPENCODE_BASE_MODE,
+      commands: [{ name: "model.list", run() {} }],
+      bindings: config.keybinds.gather("test.base", ["model.list"]),
+    })
+    const activeCounts = () =>
+      Object.fromEntries(
+        Array.from(
+          keymap.getCommandBindings({
+            visibility: "active",
+            commands: ["session.list", "session.new", "session.page.up", "session.first", "model.list"],
+          }),
+          ([command, bindings]) => [command, bindings.length],
+        ),
+      )
+
+    counts.base = activeCounts()
+    const popQuestion = getOpencodeModeStack(keymap).push("question")
+    counts.question = activeCounts()
+    popQuestion()
+    const popAutocomplete = getOpencodeModeStack(keymap).push("autocomplete")
+    counts.autocomplete = activeCounts()
+    popAutocomplete()
+
+    onCleanup(() => {
+      offBase()
+      offGlobal()
+      offKeymap()
+    })
+
+    return (
+      <OpencodeKeymapProvider keymap={keymap}>
+        <box />
+      </OpencodeKeymapProvider>
+    )
+  }
+
+  const app = await testRender(() => <Harness />)
+  try {
+    expect(counts).toEqual({
+      base: { "session.list": 1, "session.new": 1, "session.page.up": 2, "session.first": 2, "model.list": 1 },
+      question: { "session.list": 1, "session.new": 1, "session.page.up": 2, "session.first": 2, "model.list": 0 },
+      autocomplete: {
+        "session.list": 1,
+        "session.new": 1,
+        "session.page.up": 2,
+        "session.first": 2,
+        "model.list": 0,
+      },
+    })
+  } finally {
+    app.renderer.destroy()
+  }
+})

packages/opencode/test/effect/runtime-flags.test.ts

@@ -63,6 +63,7 @@ describe("RuntimeFlags", () => {
       expect(flags.experimentalWorkspaces).toBe(true)
       expect(flags.experimentalIconDiscovery).toBe(true)
       expect(flags.experimentalNativeLlm).toBe(false)
+      expect(flags.experimentalWebSockets).toBe(false)
       expect(flags.client).toBe("desktop")
     }),
   )
@@ -91,6 +92,16 @@ describe("RuntimeFlags", () => {
     }),
   )
 
+  it.effect("enables WebSockets via dedicated flag only", () =>
+    Effect.gen(function* () {
+      const explicit = yield* readFlags.pipe(Effect.provide(fromConfig({ OPENCODE_EXPERIMENTAL_WEBSOCKETS: "true" })))
+      const umbrella = yield* readFlags.pipe(Effect.provide(fromConfig({ OPENCODE_EXPERIMENTAL: "true" })))
+
+      expect(explicit.experimentalWebSockets).toBe(true)
+      expect(umbrella.experimentalWebSockets).toBe(false)
+    }),
+  )
+
   it.effect("layer accepts partial test overrides and fills defaults from Config definitions", () =>
     Effect.gen(function* () {
       const flags = yield* readFlags.pipe(

packages/opencode/test/plugin/codex.test.ts

@@ -5,7 +5,7 @@ import {
   extractAccountIdFromClaims,
   extractAccountId,
   type IdTokenClaims,
-} from "../../src/plugin/codex"
+} from "../../src/plugin/openai/codex"
 
 function createTestJwt(payload: object): string {
   const header = Buffer.from(JSON.stringify({ alg: "none" })).toString("base64url")
@@ -122,6 +122,24 @@ describe("plugin.codex", () => {
     })
   })
 
+  test("installs websocket transport only when experimental websockets are enabled", async () => {
+    const disabled = await CodexAuthPlugin({} as never)
+    const enabled = await CodexAuthPlugin({} as never, { experimentalWebSockets: true })
+
+    const disabledOptions = await disabled.auth!.loader!(
+      async () => ({ type: "api", key: "sk-test" }) as never,
+      {} as never,
+    )
+    const enabledOptions = await enabled.auth!.loader!(
+      async () => ({ type: "api", key: "sk-test" }) as never,
+      {} as never,
+    )
+
+    expect(disabledOptions.fetch).toBeUndefined()
+    expect(enabledOptions.fetch).toBeFunction()
+    await enabled.dispose?.()
+  })
+
   test("deduplicates concurrent Codex token refreshes", async () => {
     let auth = {
       type: "oauth" as const,

packages/opencode/test/plugin/openai-rollout.test.ts

@@ -0,0 +1,17 @@
+import { describe, expect, test } from "bun:test"
+import { experimentalWebSocketsEnabled } from "../../src/plugin"
+
+describe("plugin.openai.websocket rollout", () => {
+  test("enables websockets by default only on pre-release channels", () => {
+    expect(experimentalWebSocketsEnabled({ enabled: false, channel: "local" })).toBe(true)
+    expect(experimentalWebSocketsEnabled({ enabled: false, channel: "dev" })).toBe(true)
+    expect(experimentalWebSocketsEnabled({ enabled: false, channel: "beta" })).toBe(true)
+    expect(experimentalWebSocketsEnabled({ enabled: false, channel: "latest" })).toBe(false)
+    expect(experimentalWebSocketsEnabled({ enabled: false, channel: "prod" })).toBe(false)
+  })
+
+  test("allows releases to opt in through the experimental flag", () => {
+    expect(experimentalWebSocketsEnabled({ enabled: true, channel: "latest" })).toBe(true)
+    expect(experimentalWebSocketsEnabled({ enabled: true, channel: "prod" })).toBe(true)
+  })
+})

packages/opencode/test/plugin/openai-ws.test.ts

@@ -0,0 +1,700 @@
+import { describe, expect, test } from "bun:test"
+import { EventEmitter } from "node:events"
+import { createServer, type IncomingMessage, type Server as HttpServer } from "node:http"
+import net, { type AddressInfo, type Socket } from "node:net"
+import WebSocket, { WebSocketServer } from "ws"
+import { ProviderError } from "../../src/provider/error"
+import { OpenAIWebSocket } from "../../src/plugin/openai/ws"
+import { OpenAIWebSocketPool, TITLE_HEADER } from "../../src/plugin/openai/ws-pool"
+
+describe("plugin.openai.ws", () => {
+  test("derives websocket URLs and sends auth plus protocol headers", async () => {
+    let headers: IncomingMessage["headers"] | undefined
+    await using server = await createWebSocketServer((_socket, request) => {
+      headers = request.headers
+    })
+
+    const socket = await OpenAIWebSocket.connectResponsesWebSocket({
+      url: server.wsUrl,
+      headers: { authorization: "Bearer test", "content-length": "123" },
+    })
+
+    expect(OpenAIWebSocket.toWebSocketUrl("http://example.com/v1/responses")).toBe("ws://example.com/v1/responses")
+    expect(OpenAIWebSocket.toWebSocketUrl("https://example.com/v1/responses")).toBe("wss://example.com/v1/responses")
+    expect(headers?.authorization).toBe("Bearer test")
+    expect(headers?.["openai-beta"]).toBe(OpenAIWebSocket.PROTOCOL_HEADER)
+    expect(headers?.["content-length"]).toBeUndefined()
+    socket.terminate()
+  })
+
+  test("enforces websocket connect timeout", async () => {
+    await using server = await createHangingTcpServer()
+
+    await expect(
+      OpenAIWebSocket.connectResponsesWebSocket({
+        url: server.wsUrl,
+        headers: {},
+        timeout: 20,
+      }),
+    ).rejects.toThrow("WebSocket connect timed out")
+  })
+
+  test("enforces websocket send idle timeout", async () => {
+    const socket = new (class extends EventEmitter {
+      send(_data: string, _callback: (error?: Error) => void) {}
+    })() as unknown as WebSocket
+    const invalid: string[] = []
+    const response = OpenAIWebSocket.streamResponsesWebSocket({
+      socket,
+      body: { stream: true, input: "hi" },
+      idleTimeout: 20,
+      onConnectionInvalid: (error) => invalid.push(error.message),
+    })
+
+    expect((await readTextError(response.text())).message).toContain("idle timeout sending websocket request")
+    expect(invalid).toEqual(["idle timeout sending websocket request"])
+  })
+
+  test("streams websocket events as SSE and handles response.done", async () => {
+    let requestBody: unknown
+    await using server = await createWebSocketServer((socket) => {
+      socket.once("message", (data) => {
+        requestBody = JSON.parse(data.toString())
+        socket.send(JSON.stringify({ type: "response.output_text.delta", delta: "hello" }))
+        socket.send(JSON.stringify({ type: "response.done", response: { id: "resp_123" } }))
+        socket.close(1000, "done")
+      })
+    })
+
+    const socket = await OpenAIWebSocket.connectResponsesWebSocket({
+      url: server.wsUrl,
+      headers: { authorization: "Bearer test", "content-length": "123" },
+    })
+    const completed: Record<string, unknown>[] = []
+    const response = OpenAIWebSocket.streamResponsesWebSocket({
+      socket,
+      body: { stream: true, background: true, input: "hi" },
+      onComplete: (event) => completed.push(event),
+    })
+
+    expect(await response.text()).toBe(
+      'data: {"type":"response.output_text.delta","delta":"hello"}\n\ndata: {"type":"response.done","response":{"id":"resp_123"}}\n\ndata: [DONE]\n\n',
+    )
+    expect(requestBody).toEqual({ type: "response.create", input: "hi" })
+    expect(completed).toHaveLength(1)
+    expect(completed[0]?.type).toBe("response.done")
+  })
+
+  test("errors the SSE stream when the server closes before a terminal event", async () => {
+    const invalid: Error[] = []
+    await using server = await createWebSocketServer((socket) => {
+      socket.once("message", () => {
+        socket.close(1009, "payload too large")
+      })
+    })
+
+    const socket = await OpenAIWebSocket.connectResponsesWebSocket({ url: server.wsUrl, headers: {} })
+    const response = OpenAIWebSocket.streamResponsesWebSocket({
+      socket,
+      body: { stream: true, input: "hi" },
+      onConnectionInvalid: (error) => invalid.push(error),
+    })
+
+    expect((await readTextError(response.text())).message).toContain(
+      "WebSocket closed before response.completed (code 1009: message too big: payload too large)",
+    )
+    expect(invalid[0]).toBeInstanceOf(ProviderError.ResponseStreamError)
+    expect(invalid.map((error) => error.message)).toEqual([
+      "WebSocket closed before response.completed (code 1009: message too big: payload too large)",
+    ])
+  })
+
+  test("rejects unexpected binary websocket frames", async () => {
+    const invalid: string[] = []
+    await using server = await createWebSocketServer((socket) => {
+      socket.once("message", () => {
+        socket.send(Buffer.from("not json text"))
+      })
+    })
+
+    const socket = await OpenAIWebSocket.connectResponsesWebSocket({ url: server.wsUrl, headers: {} })
+    const response = OpenAIWebSocket.streamResponsesWebSocket({
+      socket,
+      body: { stream: true, input: "hi" },
+      onConnectionInvalid: (error) => invalid.push(error.message),
+    })
+
+    expect((await readTextError(response.text())).message).toContain("Unexpected binary WebSocket frame")
+    expect(invalid).toEqual(["Unexpected binary WebSocket frame"])
+  })
+})
+
+describe("plugin.openai.ws-pool", () => {
+  test("reuses one healthy websocket for sequential requests", async () => {
+    let connections = 0
+    let messages = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.on("message", () => {
+        messages += 1
+        socket.send(JSON.stringify({ type: "response.completed", response: { id: `resp_${messages}` } }))
+      })
+    })
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    expect(await first.text()).toContain("data: [DONE]")
+
+    const second = await fetch(server.url, streamRequest())
+    expect(await second.text()).toContain("data: [DONE]")
+    expect(connections).toBe(1)
+    expect(messages).toBe(2)
+    fetch.close()
+  })
+
+  test("rotates a socket that exceeds max connection age", async () => {
+    let connections = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.on("message", () => {
+        socket.send(JSON.stringify({ type: "response.completed", response: { id: `resp_${connections}` } }))
+      })
+    })
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+      maxConnectionAge: 0,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    expect(await first.text()).toContain("data: [DONE]")
+
+    const second = await fetch(server.url, streamRequest())
+    expect(await second.text()).toContain("data: [DONE]")
+    expect(connections).toBe(2)
+    fetch.close()
+  })
+
+  test("falls back to HTTP after websocket setup retries are exhausted", async () => {
+    const attempts: string[] = []
+    await using server = await createRejectingWebSocketServer(() => attempts.push("websocket"))
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+      connectTimeout: 100,
+      streamRetries: 1,
+    })
+
+    const first = await fetch(server.url, streamRequest({ [TITLE_HEADER]: "false" }))
+    expect(await readTextError(first.text())).toBeInstanceOf(ProviderError.ResponseStreamError)
+    const second = await fetch(server.url, streamRequest({ [TITLE_HEADER]: "false" }))
+    const third = await fetch(server.url, streamRequest({ [TITLE_HEADER]: "false" }))
+
+    expect(await second.text()).toBe("http")
+    expect(await third.text()).toBe("http")
+    expect(attempts).toEqual(["websocket", "websocket"])
+    expect(server.httpRequests).toHaveLength(2)
+    expect(server.httpRequests[0]?.headers[TITLE_HEADER]).toBeUndefined()
+    expect(server.httpRequests[1]?.headers[TITLE_HEADER]).toBeUndefined()
+    fetch.close()
+  })
+
+  test("prunes HTTP fallback after its idle timeout", async () => {
+    let websocketAttempts = 0
+    await using server = await createRejectingWebSocketServer(() => websocketAttempts++)
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+      connectTimeout: 100,
+      idleTimeout: 20,
+      streamRetries: 0,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    expect(await first.text()).toBe("http")
+    await new Promise((resolve) => setTimeout(resolve, 50))
+    const second = await fetch(server.url, streamRequest())
+
+    expect(await second.text()).toBe("http")
+    expect(websocketAttempts).toBe(2)
+    expect(server.httpRequests).toHaveLength(2)
+    fetch.close()
+  })
+
+  test("invalidates but does not reuse a socket after terminal failure frames", async () => {
+    let connections = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.once("message", () => {
+        socket.send(JSON.stringify({ type: connections === 1 ? "response.failed" : "response.completed" }))
+      })
+    })
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    expect(await first.text()).toContain('data: {"type":"response.failed"}')
+
+    const second = await fetch(server.url, streamRequest())
+    expect(await second.text()).toContain('data: {"type":"response.completed"}')
+    expect(connections).toBe(2)
+    expect(server.httpRequests).toHaveLength(0)
+    fetch.close()
+  })
+
+  test("retries websocket connection limit errors on the next stream attempt", async () => {
+    let connections = 0
+    let messages = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.once("message", () => {
+        messages += 1
+        if (connections === 1) {
+          socket.send(
+            JSON.stringify({
+              type: "error",
+              status: 400,
+              error: {
+                type: "invalid_request_error",
+                code: "websocket_connection_limit_reached",
+                message: "Responses websocket connection limit reached",
+              },
+            }),
+          )
+          return
+        }
+        socket.send(JSON.stringify({ type: "response.completed", response: { id: "resp_retry" } }))
+      })
+    })
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    expect((await readTextError(first.text())).message).toContain("Responses websocket connection limit reached")
+    const second = await fetch(server.url, streamRequest())
+    const text = await second.text()
+
+    expect(text).not.toContain("websocket_connection_limit_reached")
+    expect(text).toContain('data: {"type":"response.completed","response":{"id":"resp_retry"}}')
+    expect(text).toContain("data: [DONE]")
+    expect(connections).toBe(2)
+    expect(messages).toBe(2)
+    expect(server.httpRequests).toHaveLength(0)
+    fetch.close()
+  })
+
+  test("falls back to HTTP after websocket connection limit retries are exhausted", async () => {
+    let connections = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.once("message", () => {
+        socket.send(
+          JSON.stringify({
+            type: "error",
+            status: 400,
+            error: {
+              type: "invalid_request_error",
+              code: "websocket_connection_limit_reached",
+              message: "Responses websocket connection limit reached",
+            },
+          }),
+        )
+      })
+    })
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+      streamRetries: 2,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    expect((await readTextError(first.text())).message).toContain("Responses websocket connection limit reached")
+    const second = await fetch(server.url, streamRequest())
+    expect((await readTextError(second.text())).message).toContain("Responses websocket connection limit reached")
+    const third = await fetch(server.url, streamRequest())
+    const fourth = await fetch(server.url, streamRequest())
+
+    expect(await third.text()).toBe("http")
+    expect(await fourth.text()).toBe("http")
+    expect(connections).toBe(3)
+    expect(server.httpRequests).toHaveLength(2)
+    fetch.close()
+  })
+
+  test("shares the websocket retry budget across stream and connection limit failures", async () => {
+    let connections = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.once("message", () => {
+        if (connections === 1) {
+          socket.send(JSON.stringify({ type: "response.output_text.delta", delta: "started" }))
+          socket.terminate()
+          return
+        }
+        socket.send(
+          JSON.stringify({
+            type: "error",
+            error: {
+              code: "websocket_connection_limit_reached",
+              message: "Responses websocket connection limit reached",
+            },
+          }),
+        )
+      })
+    })
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+      streamRetries: 1,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    expect((await readTextError(first.text())).message).toContain("WebSocket closed before response.completed")
+    const second = await fetch(server.url, streamRequest())
+
+    expect(await second.text()).toBe("http")
+    expect(connections).toBe(2)
+    expect(server.httpRequests).toHaveLength(1)
+    fetch.close()
+  })
+
+  test("retries websocket idle failures before first event then falls back to HTTP", async () => {
+    let connections = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.once("message", () => {})
+    })
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+      idleTimeout: 20,
+      streamRetries: 1,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    expect((await readTextError(first.text())).message).toContain("idle timeout waiting for websocket")
+    const second = await fetch(server.url, streamRequest())
+    const third = await fetch(server.url, streamRequest())
+
+    expect(await second.text()).toBe("http")
+    expect(await third.text()).toBe("http")
+    expect(connections).toBe(2)
+    expect(server.httpRequests).toHaveLength(2)
+    fetch.close()
+  })
+
+  test("retries failed websocket streams before using HTTP fallback", async () => {
+    await using server = await createWebSocketServer((socket) => {
+      socket.once("message", () => {
+        socket.send(JSON.stringify({ type: "response.output_text.delta", delta: "started" }))
+      })
+    })
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+      idleTimeout: 20,
+      streamRetries: 1,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    expect((await readTextError(first.text())).message).toContain("idle timeout waiting for websocket")
+    const second = await fetch(server.url, streamRequest())
+    expect((await readTextError(second.text())).message).toContain("idle timeout waiting for websocket")
+    const third = await fetch(server.url, streamRequest())
+
+    expect(await third.text()).toBe("http")
+    expect(server.httpRequests).toHaveLength(1)
+    fetch.close()
+  })
+
+  test("resets websocket stream failures after a completed response", async () => {
+    let connections = 0
+    let requests = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.on("message", () => {
+        requests += 1
+        if (requests === 1 || requests === 3) {
+          socket.send(JSON.stringify({ type: "response.output_text.delta", delta: "started" }))
+          socket.terminate()
+          return
+        }
+        socket.send(JSON.stringify({ type: "response.completed", response: { id: `resp_${requests}` } }))
+      })
+    })
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+      streamRetries: 1,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    expect((await readTextError(first.text())).message).toContain("WebSocket closed before response.completed")
+    const second = await fetch(server.url, streamRequest())
+    expect(await second.text()).toContain("data: [DONE]")
+    const third = await fetch(server.url, streamRequest())
+    expect((await readTextError(third.text())).message).toContain("WebSocket closed before response.completed")
+    const fourth = await fetch(server.url, streamRequest())
+
+    expect(await fourth.text()).toContain("data: [DONE]")
+    expect(connections).toBe(3)
+    expect(requests).toBe(4)
+    expect(server.httpRequests).toHaveLength(0)
+    fetch.close()
+  })
+
+  test("falls back to HTTP for missing session and title requests", async () => {
+    await using server = await createWebSocketServer(() => {})
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch()
+
+    const missingSession = await fetch(server.url, {
+      method: "POST",
+      headers: { [TITLE_HEADER]: "false" },
+      body: JSON.stringify({ stream: true }),
+    })
+    const title = await fetch(server.url, streamRequest({ [TITLE_HEADER]: "true" }))
+
+    expect(await missingSession.text()).toBe("http")
+    expect(await title.text()).toBe("http")
+    expect(server.httpRequests).toHaveLength(2)
+    expect(server.httpRequests[0]?.headers[TITLE_HEADER]).toBeUndefined()
+    expect(server.httpRequests[1]?.headers[TITLE_HEADER]).toBeUndefined()
+    fetch.close()
+  })
+
+  test("falls back to HTTP while a websocket lane is busy", async () => {
+    let connections = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.once("message", () => {
+        socket.send(JSON.stringify({ type: "response.output_text.delta", delta: "started" }))
+      })
+    })
+    const abort = new AbortController()
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+    })
+
+    const first = await fetch(server.url, streamRequest({}, abort.signal))
+    const firstText = first.text()
+    await waitFor(() => connections === 1, "websocket did not connect")
+    const second = await fetch(server.url, streamRequest())
+
+    expect(await second.text()).toBe("http")
+    expect(server.httpRequests).toHaveLength(1)
+    expect(connections).toBe(1)
+    abort.abort(new Error("stop"))
+    expect((await readTextError(firstText)).message).toContain("stop")
+    fetch.close()
+  })
+
+  test("reserves a websocket lane while its socket is connecting", async () => {
+    await using server = await createHangingTcpServer()
+    await using fallback = await createHttpServer()
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+      connectTimeout: 20,
+      streamRetries: 0,
+    })
+
+    const first = fetch(fallback.url, streamRequest())
+    await waitFor(() => server.connections() === 1, "first websocket did not begin connecting")
+    const second = fetch(fallback.url, streamRequest())
+
+    expect(await (await second).text()).toBe("http")
+    expect(await (await first).text()).toBe("http")
+    expect(server.connections()).toBe(1)
+    expect(fallback.httpRequests).toHaveLength(2)
+    fetch.close()
+  })
+
+  test("retries unexpected closes before first event then falls back to HTTP", async () => {
+    let connections = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.once("message", () => {
+        socket.close(1001, "server shutdown")
+      })
+    })
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+      streamRetries: 1,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    expect((await readTextError(first.text())).message).toContain("WebSocket closed before response.completed")
+    const second = await fetch(server.url, streamRequest())
+    const third = await fetch(server.url, streamRequest())
+
+    expect(await second.text()).toBe("http")
+    expect(await third.text()).toBe("http")
+    expect(connections).toBe(2)
+    expect(server.httpRequests).toHaveLength(2)
+    fetch.close()
+  })
+
+  test("does not keep HTTP fallback active after aborting a websocket response", async () => {
+    let connections = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.once("message", () => {
+        if (connections === 1) {
+          socket.send(JSON.stringify({ type: "response.output_text.delta", delta: "started" }))
+          return
+        }
+        socket.send(JSON.stringify({ type: "response.completed", response: { id: "resp_456" } }))
+      })
+    })
+    const abort = new AbortController()
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+    })
+
+    const first = await fetch(server.url, streamRequest({}, abort.signal))
+    const firstText = first.text()
+    await waitFor(() => connections === 1, "first websocket did not connect")
+    abort.abort(new Error("stop"))
+    expect((await readTextError(firstText)).message).toContain("stop")
+
+    const second = await fetch(server.url, streamRequest())
+
+    expect(await second.text()).toContain("data: [DONE]")
+    expect(connections).toBe(2)
+    expect(server.httpRequests).toHaveLength(0)
+    fetch.close()
+  })
+
+  test("releases the websocket lane when the response body is cancelled", async () => {
+    let connections = 0
+    await using server = await createWebSocketServer((socket) => {
+      connections += 1
+      socket.once("message", () => {
+        if (connections === 1) {
+          socket.send(JSON.stringify({ type: "response.output_text.delta", delta: "started" }))
+          return
+        }
+        socket.send(JSON.stringify({ type: "response.completed", response: { id: "resp_after_cancel" } }))
+      })
+    })
+    const fetch = OpenAIWebSocketPool.createWebSocketFetch({
+      url: server.url,
+    })
+
+    const first = await fetch(server.url, streamRequest())
+    await waitFor(() => connections === 1, "first websocket did not connect")
+    await first.body!.cancel("stop")
+
+    const second = await fetch(server.url, streamRequest())
+
+    expect(await second.text()).toContain("data: [DONE]")
+    expect(connections).toBe(2)
+    expect(server.httpRequests).toHaveLength(0)
+    fetch.close()
+  })
+})
+
+function streamRequest(headers?: Record<string, string>, signal?: AbortSignal): RequestInit {
+  return {
+    method: "POST",
+    headers: {
+      "session-id": "session-1",
+      authorization: "Bearer test",
+      ...headers,
+    },
+    body: JSON.stringify({ stream: true, input: "hi" }),
+    signal,
+  }
+}
+
+async function readTextError(promise: Promise<string>) {
+  // Bun 1.3.14 hangs on expect(response.text()).rejects for streams errored from ws callbacks.
+  return promise.then(
+    () => {
+      throw new Error("Expected response text to reject")
+    },
+    (error) => {
+      expect(error).toBeInstanceOf(Error)
+      return error as Error
+    },
+  )
+}
+
+async function createWebSocketServer(onConnection: (socket: WebSocket, request: IncomingMessage) => void) {
+  const http = await createHttpServer()
+  const server = new WebSocketServer({ server: http.server })
+  server.on("connection", onConnection)
+  return websocketServerHandle(server, http)
+}
+
+async function createHangingTcpServer() {
+  const sockets = new Set<Socket>()
+  let connections = 0
+  const server = net.createServer((socket) => {
+    connections += 1
+    sockets.add(socket)
+    socket.on("close", () => sockets.delete(socket))
+  })
+  await new Promise<void>((resolve) => server.listen(0, "127.0.0.1", resolve))
+  const address = server.address() as AddressInfo
+  return {
+    url: `http://127.0.0.1:${address.port}/v1/responses`,
+    wsUrl: `ws://127.0.0.1:${address.port}/v1/responses`,
+    connections: () => connections,
+    async [Symbol.asyncDispose]() {
+      for (const socket of sockets) socket.destroy()
+      server.close()
+    },
+  }
+}
+
+async function createRejectingWebSocketServer(onAttempt: () => void) {
+  const http = await createHttpServer()
+  const server = new WebSocketServer({
+    server: http.server,
+    verifyClient(_info, callback) {
+      onAttempt()
+      callback(false, 401, "denied")
+    },
+  })
+  return websocketServerHandle(server, http)
+}
+
+async function createHttpServer() {
+  const httpRequests: IncomingMessage[] = []
+  const server = createServer((request, response) => {
+    httpRequests.push(request)
+    response.writeHead(200, { "content-type": "text/plain" })
+    response.end("http")
+  })
+  await new Promise<void>((resolve) => server.listen(0, "127.0.0.1", resolve))
+  const address = server.address() as AddressInfo
+  return {
+    server,
+    httpRequests,
+    url: `http://127.0.0.1:${address.port}/v1/responses`,
+    async [Symbol.asyncDispose]() {
+      await closeHttpServer(server)
+    },
+  }
+}
+
+function websocketServerHandle(server: WebSocketServer, http: Awaited<ReturnType<typeof createHttpServer>>) {
+  return {
+    url: http.url,
+    wsUrl: http.url.replace(/^http/, "ws"),
+    httpRequests: http.httpRequests,
+    async [Symbol.asyncDispose]() {
+      for (const socket of server.clients) socket.terminate()
+      server.close()
+      http.server.close()
+    },
+  }
+}
+
+function closeHttpServer(server: HttpServer) {
+  return new Promise<void>((resolve, reject) => server.close((error) => (error ? reject(error) : resolve())))
+}
+
+async function waitFor(predicate: () => boolean, message: string) {
+  const started = Date.now()
+  while (!predicate()) {
+    if (Date.now() - started > 1_000) throw new Error(message)
+    await new Promise((resolve) => setTimeout(resolve, 1))
+  }
+}

packages/opencode/test/project/project.test.ts

@@ -7,6 +7,15 @@ import path from "path"
 import { tmpdirScoped } from "../fixture/fixture"
 import { GlobalBus } from "../../src/bus/global"
 import { ProjectID } from "../../src/project/schema"
+import { Database } from "@/storage/db"
+import { ProjectTable } from "@/project/project.sql"
+import { SessionTable } from "@/session/session.sql"
+import { PermissionTable } from "@/session/session.sql"
+import { WorkspaceTable } from "@/control-plane/workspace.sql"
+import { eq } from "drizzle-orm"
+import { Hash } from "@opencode-ai/core/util/hash"
+import { SessionID } from "@/session/schema"
+import { WorkspaceID } from "@/control-plane/schema"
 import { Cause, Effect, Exit, Layer, Stream } from "effect"
 import { ChildProcess, ChildProcessSpawner } from "effect/unstable/process"
 import { NodePath } from "@effect/platform-node"
@@ -31,6 +40,10 @@ function run<A, E>(fn: (svc: Project.Interface) => Effect.Effect<A, E>) {
   })
 }
 
+function remoteProjectID(remote: string) {
+  return ProjectID.make(Hash.fast(`git-remote:${remote}`))
+}
+
 /**
  * Creates a mock ChildProcessSpawner layer that intercepts git subcommands
  * matching `failArg` and returns exit code 128, while delegating everything
@@ -154,28 +167,91 @@ describe("Project.fromDirectory", () => {
     }),
   )
 
-  it.live("keeps root commit identity when origin exists", () =>
+  it.live("prefers normalized origin remote over root commit", () =>
     Effect.gen(function* () {
       const tmp = yield* tmpdirScoped({ git: true })
       yield* Effect.promise(() => $`git remote add origin git@github.com:Test-Org/Test-Repo.git`.cwd(tmp).quiet())
 
       const { project } = yield* run((svc) => svc.fromDirectory(tmp))
-      const root = (yield* Effect.promise(() => $`git rev-list --max-parents=0 HEAD`.cwd(tmp).text())).trim()
 
-      expect(project.id).toBe(ProjectID.make(root))
+      expect(project.id).toBe(remoteProjectID("github.com/Test-Org/Test-Repo"))
     }),
   )
 
-  it.live("keeps cached project identity when origin becomes available", () =>
+  it.live("normalizes equivalent origin URL forms to the same project ID", () =>
+    Effect.gen(function* () {
+      const ssh = yield* tmpdirScoped({ git: true })
+      const https = yield* tmpdirScoped({ git: true })
+      yield* Effect.promise(() => $`git remote add origin git@github.com:owner/repo.git`.cwd(ssh).quiet())
+      yield* Effect.promise(() => $`git remote add origin https://github.com/owner/repo.git`.cwd(https).quiet())
+
+      const { project: a } = yield* run((svc) => svc.fromDirectory(ssh))
+      const { project: b } = yield* run((svc) => svc.fromDirectory(https))
+
+      expect(a.id).toBe(remoteProjectID("github.com/owner/repo"))
+      expect(b.id).toBe(a.id)
+    }),
+  )
+
+  it.live("migrates cached root project data when origin becomes available", () =>
     Effect.gen(function* () {
       const tmp = yield* tmpdirScoped({ git: true })
       const projects = yield* Project.Service
       const { project: rootProject } = yield* projects.fromDirectory(tmp)
+      const remoteID = remoteProjectID("github.com/acme/app")
+      const sessionID = crypto.randomUUID() as SessionID
+      const workspaceID = WorkspaceID.ascending()
+
+      yield* Effect.sync(() => {
+        Database.use((db) => {
+          db.insert(SessionTable)
+            .values({
+              id: sessionID,
+              project_id: rootProject.id,
+              slug: sessionID,
+              directory: tmp,
+              title: "test",
+              version: "0.0.0-test",
+              time_created: Date.now(),
+              time_updated: Date.now(),
+            })
+            .run()
+          db.insert(PermissionTable)
+            .values({
+              project_id: rootProject.id,
+              data: [{ permission: "edit", pattern: "*", action: "allow" }],
+              time_created: Date.now(),
+              time_updated: Date.now(),
+            })
+            .run()
+          db.insert(WorkspaceTable)
+            .values({
+              id: workspaceID,
+              type: "local",
+              name: "test",
+              project_id: rootProject.id,
+            })
+            .run()
+        })
+      })
       yield* Effect.promise(() => $`git remote add origin git@github.com:acme/app.git`.cwd(tmp).quiet())
 
       const { project } = yield* projects.fromDirectory(tmp)
 
-      expect(project.id).toBe(rootProject.id)
+      expect(project.id).toBe(remoteID)
+      expect(
+        Database.use((db) => db.select().from(ProjectTable).where(eq(ProjectTable.id, rootProject.id)).get()),
+      ).toBeUndefined()
+      expect(
+        Database.use((db) => db.select().from(SessionTable).where(eq(SessionTable.id, sessionID)).get())?.project_id,
+      ).toBe(remoteID)
+      expect(
+        Database.use((db) => db.select().from(PermissionTable).where(eq(PermissionTable.project_id, remoteID)).get()),
+      ).toBeDefined()
+      expect(
+        Database.use((db) => db.select().from(WorkspaceTable).where(eq(WorkspaceTable.id, workspaceID)).get())
+          ?.project_id,
+      ).toBe(remoteID)
     }),
   )
 })

packages/opencode/test/project/worktree.test.ts

@@ -214,6 +214,22 @@ describe("Worktree", () => {
       { git: true },
     )
 
+    it.instance(
+      "lists the active linked worktree but not the project checkout",
+      () =>
+        withCreatedWorktree(undefined, ({ info }) =>
+          Effect.gen(function* () {
+            const test = yield* TestInstance
+            const svc = yield* Worktree.Service
+            const list = yield* svc.list().pipe(provideInstance(info.directory))
+
+            expect(list.map((item) => item.name)).toContain(info.name)
+            expect(list.map((item) => item.name)).not.toContain(path.basename(test.directory).toLowerCase())
+          }),
+        ),
+      { git: true },
+    )
+
     it.instance(
       "create with custom name",
       () =>

packages/opencode/test/provider/header-timeout.test.ts

@@ -0,0 +1,198 @@
+import { afterEach, expect } from "bun:test"
+import { createServer, type Server } from "node:http"
+import { streamText } from "ai"
+import { Effect, Layer } from "effect"
+import { CrossSpawnSpawner } from "@opencode-ai/core/cross-spawn-spawner"
+import { disposeAllInstances, provideTmpdirInstance, provideTmpdirServer } from "../fixture/fixture"
+import { testEffect } from "../lib/effect"
+import { reply, TestLLMServer } from "../lib/llm-server"
+import { testProviderConfig } from "../lib/test-provider"
+import { Env } from "@/env"
+import { Plugin } from "@/plugin"
+import { Provider } from "@/provider/provider"
+import { ModelID, ProviderID } from "@/provider/schema"
+
+afterEach(async () => {
+  await disposeAllInstances()
+})
+
+const it = testEffect(
+  Layer.mergeAll(
+    Provider.defaultLayer,
+    Env.defaultLayer,
+    Plugin.defaultLayer,
+    TestLLMServer.layer,
+    CrossSpawnSpawner.defaultLayer,
+  ),
+)
+
+it.live("headerTimeout does not abort delayed SSE body after headers arrive", () =>
+  provideTmpdirServer(
+    ({ llm }) =>
+      Effect.gen(function* () {
+        yield* llm.push(reply().wait(Bun.sleep(250)).text("late").stop())
+
+        const provider = yield* Provider.Service
+        const model = yield* provider.getModel(ProviderID.make("test"), ModelID.make("test-model"))
+        const result = streamText({
+          model: yield* provider.getLanguage(model),
+          messages: [{ role: "user", content: "hello" }],
+        })
+
+        expect(yield* Effect.promise(() => result.text)).toBe("late")
+      }),
+    {
+      config: (url) => {
+        const config = testProviderConfig(url)
+        return {
+          ...config,
+          provider: {
+            test: {
+              ...config.provider.test,
+              options: { ...config.provider.test.options, headerTimeout: 50 },
+            },
+          },
+        }
+      },
+    },
+  ),
+)
+
+it.live("headerTimeout aborts when response headers do not arrive", () =>
+  Effect.gen(function* () {
+    const server = yield* Effect.acquireRelease(
+      Effect.promise(() => delayedHeaderServer(250)),
+      (server) => Effect.sync(() => server.server.close()),
+    )
+
+    yield* provideTmpdirInstance(
+      () =>
+        Effect.gen(function* () {
+          const provider = yield* Provider.Service
+          const model = yield* provider.getModel(ProviderID.make("test"), ModelID.make("test-model"))
+          const result = streamText({
+            model: yield* provider.getLanguage(model),
+            onError() {},
+            messages: [{ role: "user", content: "hello" }],
+          })
+
+          const errors = yield* Effect.promise(async () => {
+            const errors: string[] = []
+            for await (const part of result.fullStream) {
+              if (part.type === "error") errors.push(String(part.error))
+            }
+            return errors
+          })
+          expect(errors.join("\n")).toContain("response headers timed out")
+        }),
+      { config: providerConfig(server.url, { headerTimeout: 50 }) },
+    )
+  }),
+)
+
+it.live("headerTimeout is opt-in for non-OpenAI providers", () =>
+  Effect.gen(function* () {
+    const server = yield* Effect.acquireRelease(
+      Effect.promise(() => delayedHeaderServer(100)),
+      (server) => Effect.sync(() => server.server.close()),
+    )
+
+    yield* provideTmpdirInstance(
+      () =>
+        Effect.gen(function* () {
+          const provider = yield* Provider.Service
+          const model = yield* provider.getModel(ProviderID.make("test"), ModelID.make("test-model"))
+          const result = streamText({
+            model: yield* provider.getLanguage(model),
+            messages: [{ role: "user", content: "hello" }],
+          })
+
+          expect(yield* Effect.promise(() => result.text)).toBe("ok")
+        }),
+      { config: providerConfig(server.url) },
+    )
+  }),
+)
+
+it.live("OpenAI Codex headerTimeout default can be disabled by config", () =>
+  Effect.gen(function* () {
+    yield* withAuthContent(
+      Effect.gen(function* () {
+        yield* provideTmpdirInstance(
+          () =>
+            Effect.gen(function* () {
+              const provider = yield* Provider.Service
+              const openai = yield* provider.getProvider(ProviderID.openai)
+              expect(openai.options.headerTimeout).toBe(false)
+            }),
+          { config: { provider: { openai: { options: { headerTimeout: false } } } } },
+        )
+      }),
+    )
+  }),
+)
+
+it.live("OpenAI API auth gets default headerTimeout", () =>
+  Effect.gen(function* () {
+    yield* withAuthContent(
+      Effect.gen(function* () {
+        yield* provideTmpdirInstance(() =>
+          Effect.gen(function* () {
+            const provider = yield* Provider.Service
+            const openai = yield* provider.getProvider(ProviderID.openai)
+            expect(openai.options.headerTimeout).toBe(10_000)
+          }),
+        )
+      }),
+      { openai: { type: "api", key: "sk-test" } },
+    )
+  }),
+)
+
+function providerConfig(url: string, options: Record<string, unknown> = {}) {
+  const config = testProviderConfig(url)
+  return {
+    ...config,
+    provider: {
+      test: {
+        ...config.provider.test,
+        options: { ...config.provider.test.options, ...options },
+      },
+    },
+  }
+}
+
+async function delayedHeaderServer(delay: number): Promise<{ server: Server; url: string }> {
+  const server = createServer((_, res) => {
+    setTimeout(() => {
+      res.writeHead(200, { "content-type": "text/event-stream" })
+      res.end('data: {"choices":[{"delta":{"content":"ok"}}]}\n\ndata: [DONE]\n\n')
+    }, delay)
+  })
+  await new Promise<void>((resolve) => server.listen(0, "127.0.0.1", resolve))
+  const address = server.address()
+  if (!address || typeof address === "string") throw new Error("server did not bind to a TCP port")
+  return { server, url: `http://127.0.0.1:${address.port}` }
+}
+
+function withAuthContent<A, E, R>(self: Effect.Effect<A, E, R>, value: Record<string, unknown> = defaultAuthContent()) {
+  return Effect.acquireUseRelease(
+    Effect.sync(() => {
+      const previous = process.env.OPENCODE_AUTH_CONTENT
+      process.env.OPENCODE_AUTH_CONTENT = JSON.stringify(value)
+      return previous
+    }),
+    () => self,
+    (previous) =>
+      Effect.sync(() => {
+        if (previous === undefined) delete process.env.OPENCODE_AUTH_CONTENT
+        else process.env.OPENCODE_AUTH_CONTENT = previous
+      }),
+  )
+}
+
+function defaultAuthContent() {
+  return {
+    openai: { type: "oauth", refresh: "refresh", access: "access", expires: Date.now() + 60_000 },
+  }
+}