refactor(flags): route event system through runtime flags (#27323)

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

@@ -33,6 +33,7 @@ describe("RuntimeFlags", () => {
       expect(flags.experimentalScout).toBe(true)
       expect(flags.experimentalLspTool).toBe(true)
       expect(flags.experimentalPlanMode).toBe(true)
+      expect(flags.experimentalEventSystem).toBe(true)
       expect(flags.client).toBe("desktop")
     }),
   )

packages/opencode/test/session/compaction.test.ts

@@ -28,6 +28,7 @@ import { testEffect } from "../lib/effect"
 import { CrossSpawnSpawner } from "@opencode-ai/core/cross-spawn-spawner"
 import { TestConfig } from "../fixture/config"
 import { SyncEvent } from "@/sync"
+import { RuntimeFlags } from "@/effect/runtime-flags"
 
 void Log.init({ print: false })
 
@@ -225,6 +226,7 @@ const deps = Layer.mergeAll(
   Bus.layer,
   Config.defaultLayer,
   SyncEvent.defaultLayer,
+  RuntimeFlags.layer({ experimentalEventSystem: true }),
 )
 
 const env = Layer.mergeAll(
@@ -257,6 +259,7 @@ function compactionProcessLayer(options?: CompactionProcessOptions) {
     ? SessionProcessorModule.SessionProcessor.layer.pipe(
         Layer.provide(summary),
         Layer.provide(Image.defaultLayer),
+        Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
         Layer.provide(status),
       )
     : layer(options?.result ?? "continue")
@@ -272,6 +275,7 @@ function compactionProcessLayer(options?: CompactionProcessOptions) {
     Layer.provide(bus),
     Layer.provide(options?.config ?? Config.defaultLayer),
     Layer.provide(SyncEvent.defaultLayer),
+    Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
   )
 }
 

packages/opencode/test/session/processor-effect.test.ts

@@ -25,6 +25,7 @@ import { provideTmpdirServer } from "../fixture/fixture"
 import { testEffect } from "../lib/effect"
 import { raw, reply, TestLLMServer } from "../lib/llm-server"
 import { SyncEvent } from "@/sync"
+import { RuntimeFlags } from "@/effect/runtime-flags"
 
 void Log.init({ print: false })
 
@@ -171,7 +172,12 @@ const deps = Layer.mergeAll(
 ).pipe(Layer.provideMerge(infra))
 const env = Layer.mergeAll(
   TestLLMServer.layer,
-  SessionProcessor.layer.pipe(Layer.provide(summary), Layer.provide(Image.defaultLayer), Layer.provideMerge(deps)),
+  SessionProcessor.layer.pipe(
+    Layer.provide(summary),
+    Layer.provide(Image.defaultLayer),
+    Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
+    Layer.provideMerge(deps),
+  ),
 )
 
 const it = testEffect(env)

packages/opencode/test/session/prompt.test.ts

@@ -180,7 +180,7 @@ function makeHttp() {
     Layer.provide(Reference.defaultLayer),
     Layer.provide(Ripgrep.defaultLayer),
     Layer.provide(Format.defaultLayer),
-    Layer.provide(RuntimeFlags.layer()),
+    Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
     Layer.provideMerge(todo),
     Layer.provideMerge(question),
     Layer.provideMerge(deps),
@@ -189,9 +189,14 @@ function makeHttp() {
   const proc = SessionProcessor.layer.pipe(
     Layer.provide(summary),
     Layer.provide(Image.defaultLayer),
+    Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
+    Layer.provideMerge(deps),
+  )
+  const compact = SessionCompaction.layer.pipe(
+    Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
+    Layer.provideMerge(proc),
     Layer.provideMerge(deps),
   )
-  const compact = SessionCompaction.layer.pipe(Layer.provideMerge(proc), Layer.provideMerge(deps))
   return Layer.mergeAll(
     TestLLMServer.layer,
     SessionPrompt.layer.pipe(
@@ -206,7 +211,7 @@ function makeHttp() {
       Layer.provideMerge(trunc),
       Layer.provide(Instruction.defaultLayer),
       Layer.provide(SystemPrompt.defaultLayer),
-      Layer.provide(RuntimeFlags.layer()),
+      Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
       Layer.provideMerge(deps),
     ),
   ).pipe(Layer.provide(summary))

packages/opencode/test/session/snapshot-tool-race.test.ts

@@ -138,7 +138,7 @@ function makeHttp() {
     Layer.provide(Reference.defaultLayer),
     Layer.provide(Ripgrep.defaultLayer),
     Layer.provide(Format.defaultLayer),
-    Layer.provide(RuntimeFlags.layer()),
+    Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
     Layer.provideMerge(todo),
     Layer.provideMerge(question),
     Layer.provideMerge(deps),
@@ -147,9 +147,14 @@ function makeHttp() {
   const proc = SessionProcessor.layer.pipe(
     Layer.provide(SessionSummary.defaultLayer),
     Layer.provide(Image.defaultLayer),
+    Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
+    Layer.provideMerge(deps),
+  )
+  const compact = SessionCompaction.layer.pipe(
+    Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
+    Layer.provideMerge(proc),
     Layer.provideMerge(deps),
   )
-  const compact = SessionCompaction.layer.pipe(Layer.provideMerge(proc), Layer.provideMerge(deps))
   return Layer.mergeAll(
     TestLLMServer.layer,
     SessionSummary.defaultLayer,
@@ -165,7 +170,7 @@ function makeHttp() {
       Layer.provideMerge(trunc),
       Layer.provide(Instruction.defaultLayer),
       Layer.provide(SystemPrompt.defaultLayer),
-      Layer.provide(RuntimeFlags.layer()),
+      Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
       Layer.provideMerge(deps),
     ),
   )