feat(tui): wire up undo/redo and revert for V2 sessions (#34263)

packages/protocol/src/errors.ts

@@ -25,6 +25,15 @@ export class ConflictError extends Schema.TaggedErrorClass<ConflictError>()(
   { httpApiStatus: 409 },
 ) {}
 
+export class SessionBusyError extends Schema.TaggedErrorClass<SessionBusyError>()(
+  "SessionBusyError",
+  {
+    sessionID: Schema.String,
+    message: Schema.String,
+  },
+  { httpApiStatus: 409 },
+) {}
+
 export class ServiceUnavailableError extends Schema.TaggedErrorClass<ServiceUnavailableError>()(
   "ServiceUnavailableError",
   {

packages/protocol/src/groups/session.ts

@@ -13,6 +13,7 @@ import {
   InvalidRequestError,
   MessageNotFoundError,
   ServiceUnavailableError,
+  SessionBusyError,
   SessionNotFoundError,
   UnknownError,
 } from "../errors"
@@ -187,6 +188,22 @@ export const makeSessionGroup = <I extends HttpApiMiddleware.AnyId, S>(sessionLo
           }),
         ),
     )
+    .add(
+      HttpApiEndpoint.post("session.rename", "/api/session/:sessionID/rename", {
+        params: { sessionID: Session.ID },
+        payload: Schema.Struct({ title: Schema.String }),
+        success: HttpApiSchema.NoContent,
+        error: SessionNotFoundError,
+      })
+        .middleware(sessionLocationMiddleware)
+        .annotateMerge(
+          OpenApi.annotations({
+            identifier: "v2.session.rename",
+            summary: "Rename session",
+            description: "Update the session title.",
+          }),
+        ),
+    )
     .add(
       HttpApiEndpoint.post("session.prompt", "/api/session/:sessionID/prompt", {
         params: { sessionID: Session.ID },
@@ -243,7 +260,7 @@ export const makeSessionGroup = <I extends HttpApiMiddleware.AnyId, S>(sessionLo
         params: { sessionID: Session.ID },
         payload: Schema.Struct({ messageID: SessionMessage.ID, files: Schema.Boolean.pipe(Schema.optional) }),
         success: Schema.Struct({ data: Revert.State }),
-        error: [MessageNotFoundError, SessionNotFoundError, UnknownError],
+        error: [MessageNotFoundError, SessionNotFoundError, SessionBusyError, UnknownError],
       })
         .middleware(sessionLocationMiddleware)
         .annotateMerge(
@@ -258,7 +275,7 @@ export const makeSessionGroup = <I extends HttpApiMiddleware.AnyId, S>(sessionLo
       HttpApiEndpoint.post("session.revert.clear", "/api/session/:sessionID/revert/clear", {
         params: { sessionID: Session.ID },
         success: HttpApiSchema.NoContent,
-        error: [SessionNotFoundError, UnknownError],
+        error: [SessionNotFoundError, SessionBusyError, UnknownError],
       })
         .middleware(sessionLocationMiddleware)
         .annotateMerge(OpenApi.annotations({ identifier: "v2.session.revert.clear", summary: "Clear staged revert" })),
@@ -267,7 +284,7 @@ export const makeSessionGroup = <I extends HttpApiMiddleware.AnyId, S>(sessionLo
       HttpApiEndpoint.post("session.revert.commit", "/api/session/:sessionID/revert/commit", {
         params: { sessionID: Session.ID },
         success: HttpApiSchema.NoContent,
-        error: SessionNotFoundError,
+        error: [SessionNotFoundError, SessionBusyError],
       })
         .middleware(sessionLocationMiddleware)
         .annotateMerge(