diff --git a/packages/core/src/session.ts b/packages/core/src/session.ts
index cdd4a4a7c..2b6225bcf 100644
--- a/packages/core/src/session.ts
+++ b/packages/core/src/session.ts
@@ -36,7 +36,7 @@ const ListInputBase = {
   workspaceID: WorkspaceV2.ID.pipe(Schema.optional),
   search: Schema.String.pipe(Schema.optional),
   limit: Schema.Int.pipe(Schema.optional),
-  order: Schema.Literal("asc").pipe(Schema.optional),
+  order: Schema.Literals(["asc", "desc"]).pipe(Schema.optional),
   cursor: ListCursor.pipe(Schema.optional),
 }
 
diff --git a/packages/opencode/src/server/routes/instance/httpapi/groups/v2/message.ts b/packages/opencode/src/server/routes/instance/httpapi/groups/v2/message.ts
index be2fdb5ba..a1244adda 100644
--- a/packages/opencode/src/server/routes/instance/httpapi/groups/v2/message.ts
+++ b/packages/opencode/src/server/routes/instance/httpapi/groups/v2/message.ts
@@ -2,7 +2,7 @@ import { SessionID } from "@/session/schema"
 import { SessionMessage } from "@opencode-ai/core/session/message"
 import { Schema } from "effect"
 import { HttpApiEndpoint, HttpApiGroup, OpenApi } from "effect/unstable/httpapi"
-import { InvalidCursorError, SessionNotFoundError, UnknownError } from "../../errors"
+import { InvalidCursorError, SessionNotFoundError } from "../../errors"
 import { V2Authorization } from "../../middleware/authorization"
 import { WorkspaceRoutingQueryFields } from "../../middleware/workspace-routing"
 
@@ -36,7 +36,7 @@ export const MessageGroup = HttpApiGroup.make("v2.message")
           next: Schema.String.pipe(Schema.optional),
         }),
       }).annotate({ identifier: "V2SessionMessagesResponse" }),
-      error: [InvalidCursorError, SessionNotFoundError, UnknownError],
+      error: [InvalidCursorError, SessionNotFoundError],
     }).annotateMerge(
       OpenApi.annotations({
         identifier: "v2.session.messages",
diff --git a/packages/opencode/src/server/routes/instance/httpapi/groups/v2/session.ts b/packages/opencode/src/server/routes/instance/httpapi/groups/v2/session.ts
index 058ff1a05..328603166 100644
--- a/packages/opencode/src/server/routes/instance/httpapi/groups/v2/session.ts
+++ b/packages/opencode/src/server/routes/instance/httpapi/groups/v2/session.ts
@@ -6,9 +6,7 @@ import { HttpApiEndpoint, HttpApiGroup, HttpApiSchema, OpenApi } from "effect/un
 import {
   InvalidCursorError,
   InvalidRequestError,
-  ServiceUnavailableError,
   SessionNotFoundError,
-  UnknownError,
 } from "../../errors"
 import { V2Authorization } from "../../middleware/authorization"
 import { WorkspaceRoutingQuery, WorkspaceRoutingQueryFields } from "../../middleware/workspace-routing"
@@ -62,7 +60,7 @@ export const SessionGroup = HttpApiGroup.make("v2.session")
       params: { sessionID: SessionID },
       query: WorkspaceRoutingQuery,
       success: HttpApiSchema.NoContent,
-      error: [SessionNotFoundError, ServiceUnavailableError],
+      error: [SessionNotFoundError],
     }).annotateMerge(
       OpenApi.annotations({
         identifier: "v2.session.compact",
@@ -76,7 +74,7 @@ export const SessionGroup = HttpApiGroup.make("v2.session")
       params: { sessionID: SessionID },
       query: WorkspaceRoutingQuery,
       success: HttpApiSchema.NoContent,
-      error: [SessionNotFoundError, ServiceUnavailableError],
+      error: [SessionNotFoundError],
     }).annotateMerge(
       OpenApi.annotations({
         identifier: "v2.session.wait",
@@ -90,7 +88,7 @@ export const SessionGroup = HttpApiGroup.make("v2.session")
       params: { sessionID: SessionID },
       query: WorkspaceRoutingQuery,
       success: Schema.Array(SessionMessage.Message),
-      error: [SessionNotFoundError, UnknownError],
+      error: [SessionNotFoundError],
     }).annotateMerge(
       OpenApi.annotations({
         identifier: "v2.session.context",
diff --git a/packages/opencode/src/server/routes/instance/httpapi/handlers/v2/message.ts b/packages/opencode/src/server/routes/instance/httpapi/handlers/v2/message.ts
index c9cfe33bc..d97a32e89 100644
--- a/packages/opencode/src/server/routes/instance/httpapi/handlers/v2/message.ts
+++ b/packages/opencode/src/server/routes/instance/httpapi/handlers/v2/message.ts
@@ -4,7 +4,7 @@ import { Effect, Schema } from "effect"
 import * as DateTime from "effect/DateTime"
 import { HttpApiBuilder } from "effect/unstable/httpapi"
 import { InstanceHttpApi } from "../../api"
-import { InvalidCursorError, SessionNotFoundError, UnknownError } from "../../errors"
+import { InvalidCursorError, SessionNotFoundError } from "../../errors"
 
 const DefaultMessagesLimit = 50
 
@@ -58,20 +58,6 @@ export const messageHandlers = HttpApiBuilder.group(InstanceHttpApi, "v2.message
                 }),
               ),
             ),
-            Effect.catchTag("Session.MessageDecodeError", (error) => {
-              const ref = `err_${crypto.randomUUID().slice(0, 8)}`
-              return Effect.logError("failed to decode v2 session message").pipe(
-                Effect.annotateLogs({ ref, sessionID: error.sessionID, messageID: error.messageID }),
-                Effect.andThen(
-                  Effect.fail(
-                    new UnknownError({
-                      message: "Unexpected server error. Check server logs for details.",
-                      ref,
-                    }),
-                  ),
-                ),
-              )
-            }),
           )
         const first = messages[0]
         const last = messages.at(-1)
diff --git a/packages/opencode/src/server/routes/instance/httpapi/handlers/v2/session.ts b/packages/opencode/src/server/routes/instance/httpapi/handlers/v2/session.ts
index 0de8a1224..c472eabda 100644
--- a/packages/opencode/src/server/routes/instance/httpapi/handlers/v2/session.ts
+++ b/packages/opencode/src/server/routes/instance/httpapi/handlers/v2/session.ts
@@ -1,15 +1,10 @@
 import { WorkspaceV2 } from "@opencode-ai/core/workspace"
 import { SessionV2 } from "@opencode-ai/core/session"
+import { AbsolutePath } from "@opencode-ai/core/schema"
 import { DateTime, Effect, Option, Schema } from "effect"
 import { HttpApiBuilder, HttpApiSchema } from "effect/unstable/httpapi"
 import { InstanceHttpApi } from "../../api"
-import {
-  InvalidCursorError,
-  InvalidRequestError,
-  ServiceUnavailableError,
-  SessionNotFoundError,
-  UnknownError,
-} from "../../errors"
+import { InvalidCursorError, InvalidRequestError, SessionNotFoundError } from "../../errors"
 
 const DefaultSessionsLimit = 50
 
@@ -114,17 +109,21 @@ export const sessionHandlers = HttpApiBuilder.group(InstanceHttpApi, "v2.session
             start: ctx.query.start,
             search: ctx.query.search,
           }
-          const sessions = yield* session.list({
+          const input = {
             limit: ctx.query.limit ?? DefaultSessionsLimit,
             order,
-            directory: filters.directory,
-            path: filters.path,
             workspaceID: filters.workspaceID,
-            roots: filters.roots,
-            start: filters.start,
             search: filters.search,
             cursor: decoded ? { id: decoded.id, time: decoded.time, direction: decoded.direction } : undefined,
-          })
+          }
+          const sessions = yield* session.list(
+            filters.directory
+              ? {
+                  ...input,
+                  directory: AbsolutePath.make(filters.directory),
+                }
+              : input,
+          )
           const first = sessions[0]
           const last = sessions.at(-1)
           return {
@@ -139,7 +138,7 @@ export const sessionHandlers = HttpApiBuilder.group(InstanceHttpApi, "v2.session
       .handle(
         "compact",
         Effect.fn(function* (ctx) {
-          yield* session.compact(ctx.params.sessionID).pipe(
+          yield* session.compact({ sessionID: ctx.params.sessionID }).pipe(
             Effect.catchTag("Session.NotFoundError", (error) =>
               Effect.fail(
                 new SessionNotFoundError({
@@ -148,14 +147,6 @@ export const sessionHandlers = HttpApiBuilder.group(InstanceHttpApi, "v2.session
                 }),
               ),
             ),
-            Effect.catchTag("Session.OperationUnavailableError", (error) =>
-              Effect.fail(
-                new ServiceUnavailableError({
-                  message: `V2 session ${error.operation} is not available yet`,
-                  service: `v2.session.${error.operation}`,
-                }),
-              ),
-            ),
           )
           return HttpApiSchema.NoContent.make()
         }),
@@ -172,14 +163,6 @@ export const sessionHandlers = HttpApiBuilder.group(InstanceHttpApi, "v2.session
                 }),
               ),
             ),
-            Effect.catchTag("Session.OperationUnavailableError", (error) =>
-              Effect.fail(
-                new ServiceUnavailableError({
-                  message: `V2 session ${error.operation} is not available yet`,
-                  service: `v2.session.${error.operation}`,
-                }),
-              ),
-            ),
           )
           return HttpApiSchema.NoContent.make()
         }),
@@ -196,20 +179,6 @@ export const sessionHandlers = HttpApiBuilder.group(InstanceHttpApi, "v2.session
                 }),
               ),
             ),
-            Effect.catchTag("Session.MessageDecodeError", (error) => {
-              const ref = `err_${crypto.randomUUID().slice(0, 8)}`
-              return Effect.logError("failed to decode v2 session message").pipe(
-                Effect.annotateLogs({ ref, sessionID: error.sessionID, messageID: error.messageID }),
-                Effect.andThen(
-                  Effect.fail(
-                    new UnknownError({
-                      message: "Unexpected server error. Check server logs for details.",
-                      ref,
-                    }),
-                  ),
-                ),
-              )
-            }),
           )
         }),
       )