feat(httpapi): bridge tui routes (#24548)

6 files changed, 415 insertions, 20 deletions

diff --git a/packages/opencode/specs/effect/http-api.md b/packages/opencode/specs/effect/http-api.md
index bbfc7bade..791aa0e28 100644
--- a/packages/opencode/specs/effect/http-api.md
+++ b/packages/opencode/specs/effect/http-api.md
@@ -329,19 +329,19 @@ This checklist tracks bridge parity only. Checked routes are available through t
 
 ### TUI Routes
 
-- [ ] `POST /tui/append-prompt` - append prompt.
-- [ ] `POST /tui/open-help` - open help.
-- [ ] `POST /tui/open-sessions` - open sessions.
-- [ ] `POST /tui/open-themes` - open themes.
-- [ ] `POST /tui/open-models` - open models.
-- [ ] `POST /tui/submit-prompt` - submit prompt.
-- [ ] `POST /tui/clear-prompt` - clear prompt.
-- [ ] `POST /tui/execute-command` - execute command.
-- [ ] `POST /tui/show-toast` - show toast.
-- [ ] `POST /tui/publish` - publish TUI event.
-- [ ] `POST /tui/select-session` - select session.
-- [ ] `GET /tui/control/next` - get next TUI request.
-- [ ] `POST /tui/control/response` - submit TUI control response.
+- [x] `POST /tui/append-prompt` - append prompt.
+- [x] `POST /tui/open-help` - open help.
+- [x] `POST /tui/open-sessions` - open sessions.
+- [x] `POST /tui/open-themes` - open themes.
+- [x] `POST /tui/open-models` - open models.
+- [x] `POST /tui/submit-prompt` - submit prompt.
+- [x] `POST /tui/clear-prompt` - clear prompt.
+- [x] `POST /tui/execute-command` - execute command.
+- [x] `POST /tui/show-toast` - show toast.
+- [x] `POST /tui/publish` - publish TUI event.
+- [x] `POST /tui/select-session` - select session.
+- [x] `GET /tui/control/next` - get next TUI request.
+- [x] `POST /tui/control/response` - submit TUI control response.
 
 ## Remaining PR Plan
 
@@ -358,8 +358,8 @@ Prefer smaller PRs from here so route behavior and SDK/OpenAPI fallout stays rev
 9. [x] Bridge session lifecycle mutation routes: create, delete, update, fork, abort.
 10. [x] Bridge remaining session mutation and prompt routes.
 11. [ ] Replace event SSE with non-Hono Effect HTTP.
-12. [ ] Replace pty websocket/control routes with non-Hono Effect HTTP.
-13. [ ] Replace tui bridge routes or explicitly isolate them behind a non-Hono compatibility layer.
+12. [x] Replace pty websocket/control routes with non-Hono Effect HTTP.
+13. [x] Replace tui bridge routes or explicitly isolate them behind a non-Hono compatibility layer.
 14. [ ] Switch OpenAPI/SDK generation to Effect routes and compare SDK output.
 15. [ ] Flip ported JSON routes default-on, keep a short fallback, then delete replaced Hono route files.
 
diff --git a/packages/opencode/src/server/routes/instance/httpapi/server.ts b/packages/opencode/src/server/routes/instance/httpapi/server.ts
index 719f5801b..0501ce5af 100644
--- a/packages/opencode/src/server/routes/instance/httpapi/server.ts
+++ b/packages/opencode/src/server/routes/instance/httpapi/server.ts
@@ -1,12 +1,14 @@
 import { Effect, Layer, Schema } from "effect"
 import { HttpApiBuilder } from "effect/unstable/httpapi"
 import { HttpRouter, HttpServer, HttpServerRequest } from "effect/unstable/http"
+import { Bus } from "@/bus"
 import { AppRuntime } from "@/effect/app-runtime"
 import { InstanceRef, WorkspaceRef } from "@/effect/instance-ref"
 import { Observability } from "@/effect"
 import { InstanceBootstrap } from "@/project/bootstrap"
 import { Instance } from "@/project/instance"
 import { Pty } from "@/pty"
+import { Session } from "@/session"
 import { lazy } from "@/util/lazy"
 import { Filesystem } from "@/util"
 import { authorizationLayer } from "./auth"
@@ -23,6 +25,7 @@ import { ProviderApi, providerHandlers } from "./provider"
 import { QuestionApi, questionHandlers } from "./question"
 import { SessionApi, sessionHandlers } from "./session"
 import { SyncApi, syncHandlers } from "./sync"
+import { TuiApi, tuiHandlers } from "./tui"
 import { WorkspaceApi, workspaceHandlers } from "./workspace"
 import { disposeMiddleware } from "./lifecycle"
 import { memoMap } from "@opencode-ai/core/effect/memo-map"
@@ -83,6 +86,11 @@ export const routes = Layer.mergeAll(
   HttpApiBuilder.layer(ProviderApi).pipe(Layer.provide(providerHandlers)),
   HttpApiBuilder.layer(SessionApi).pipe(Layer.provide(sessionHandlers)),
   HttpApiBuilder.layer(SyncApi).pipe(Layer.provide(syncHandlers)),
+  HttpApiBuilder.layer(TuiApi).pipe(
+    Layer.provide(tuiHandlers),
+    Layer.provide(Session.defaultLayer),
+    Layer.provide(Bus.layer),
+  ),
   HttpApiBuilder.layer(WorkspaceApi).pipe(Layer.provide(workspaceHandlers)),
 ).pipe(
   Layer.provide(authorizationLayer),
diff --git a/packages/opencode/src/server/routes/instance/httpapi/tui.ts b/packages/opencode/src/server/routes/instance/httpapi/tui.ts
new file mode 100644
index 000000000..55f53df98
--- /dev/null
+++ b/packages/opencode/src/server/routes/instance/httpapi/tui.ts
@@ -0,0 +1,286 @@
+import { Bus } from "@/bus"
+import { TuiEvent } from "@/cli/cmd/tui/event"
+import { Session } from "@/session"
+import { SessionID } from "@/session/schema"
+import { Effect, Layer, Schema } from "effect"
+import { HttpApi, HttpApiBuilder, HttpApiEndpoint, HttpApiError, HttpApiGroup, OpenApi } from "effect/unstable/httpapi"
+import { nextTuiRequest, submitTuiResponse } from "../tui"
+import { Authorization } from "./auth"
+
+const root = "/tui"
+const CommandPayload = Schema.Struct({ command: Schema.String }).annotate({ identifier: "TuiCommandInput" })
+const TuiRequestPayload = Schema.Struct({
+  path: Schema.String,
+  body: Schema.Unknown,
+}).annotate({ identifier: "TuiRequest" })
+const TuiPublishPayload = Schema.Union([
+  Schema.Struct({ type: Schema.Literal(TuiEvent.PromptAppend.type), properties: TuiEvent.PromptAppend.properties }),
+  Schema.Struct({ type: Schema.Literal(TuiEvent.CommandExecute.type), properties: TuiEvent.CommandExecute.properties }),
+  Schema.Struct({ type: Schema.Literal(TuiEvent.ToastShow.type), properties: TuiEvent.ToastShow.properties }),
+  Schema.Struct({ type: Schema.Literal(TuiEvent.SessionSelect.type), properties: TuiEvent.SessionSelect.properties }),
+]).annotate({ identifier: "TuiEventInput" })
+
+const commandAliases = {
+  session_new: "session.new",
+  session_share: "session.share",
+  session_interrupt: "session.interrupt",
+  session_compact: "session.compact",
+  messages_page_up: "session.page.up",
+  messages_page_down: "session.page.down",
+  messages_line_up: "session.line.up",
+  messages_line_down: "session.line.down",
+  messages_half_page_up: "session.half.page.up",
+  messages_half_page_down: "session.half.page.down",
+  messages_first: "session.first",
+  messages_last: "session.last",
+  agent_cycle: "agent.cycle",
+} as const
+
+export const TuiPaths = {
+  appendPrompt: `${root}/append-prompt`,
+  openHelp: `${root}/open-help`,
+  openSessions: `${root}/open-sessions`,
+  openThemes: `${root}/open-themes`,
+  openModels: `${root}/open-models`,
+  submitPrompt: `${root}/submit-prompt`,
+  clearPrompt: `${root}/clear-prompt`,
+  executeCommand: `${root}/execute-command`,
+  showToast: `${root}/show-toast`,
+  publish: `${root}/publish`,
+  selectSession: `${root}/select-session`,
+  controlNext: `${root}/control/next`,
+  controlResponse: `${root}/control/response`,
+} as const
+
+export const TuiApi = HttpApi.make("tui")
+  .add(
+    HttpApiGroup.make("tui")
+      .add(
+        HttpApiEndpoint.post("appendPrompt", TuiPaths.appendPrompt, {
+          payload: TuiEvent.PromptAppend.properties,
+          success: Schema.Boolean,
+        }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.appendPrompt",
+            summary: "Append TUI prompt",
+            description: "Append prompt to the TUI.",
+          }),
+        ),
+        HttpApiEndpoint.post("openHelp", TuiPaths.openHelp, { success: Schema.Boolean }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.openHelp",
+            summary: "Open help dialog",
+            description: "Open the help dialog in the TUI to display user assistance information.",
+          }),
+        ),
+        HttpApiEndpoint.post("openSessions", TuiPaths.openSessions, { success: Schema.Boolean }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.openSessions",
+            summary: "Open sessions dialog",
+            description: "Open the session dialog.",
+          }),
+        ),
+        HttpApiEndpoint.post("openThemes", TuiPaths.openThemes, { success: Schema.Boolean }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.openThemes",
+            summary: "Open themes dialog",
+            description: "Open the theme dialog.",
+          }),
+        ),
+        HttpApiEndpoint.post("openModels", TuiPaths.openModels, { success: Schema.Boolean }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.openModels",
+            summary: "Open models dialog",
+            description: "Open the model dialog.",
+          }),
+        ),
+        HttpApiEndpoint.post("submitPrompt", TuiPaths.submitPrompt, { success: Schema.Boolean }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.submitPrompt",
+            summary: "Submit TUI prompt",
+            description: "Submit the prompt.",
+          }),
+        ),
+        HttpApiEndpoint.post("clearPrompt", TuiPaths.clearPrompt, { success: Schema.Boolean }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.clearPrompt",
+            summary: "Clear TUI prompt",
+            description: "Clear the prompt.",
+          }),
+        ),
+        HttpApiEndpoint.post("executeCommand", TuiPaths.executeCommand, {
+          payload: CommandPayload,
+          success: Schema.Boolean,
+        }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.executeCommand",
+            summary: "Execute TUI command",
+            description: "Execute a TUI command.",
+          }),
+        ),
+        HttpApiEndpoint.post("showToast", TuiPaths.showToast, {
+          payload: TuiEvent.ToastShow.properties,
+          success: Schema.Boolean,
+        }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.showToast",
+            summary: "Show TUI toast",
+            description: "Show a toast notification in the TUI.",
+          }),
+        ),
+        HttpApiEndpoint.post("publish", TuiPaths.publish, {
+          payload: TuiPublishPayload,
+          success: Schema.Boolean,
+        }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.publish",
+            summary: "Publish TUI event",
+            description: "Publish a TUI event.",
+          }),
+        ),
+        HttpApiEndpoint.post("selectSession", TuiPaths.selectSession, {
+          payload: TuiEvent.SessionSelect.properties,
+          success: Schema.Boolean,
+          error: HttpApiError.NotFound,
+        }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.selectSession",
+            summary: "Select session",
+            description: "Navigate the TUI to display the specified session.",
+          }),
+        ),
+        HttpApiEndpoint.get("controlNext", TuiPaths.controlNext, { success: TuiRequestPayload }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.control.next",
+            summary: "Get next TUI request",
+            description: "Retrieve the next TUI request from the queue for processing.",
+          }),
+        ),
+        HttpApiEndpoint.post("controlResponse", TuiPaths.controlResponse, {
+          payload: Schema.Unknown,
+          success: Schema.Boolean,
+        }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "tui.control.response",
+            summary: "Submit TUI response",
+            description: "Submit a response to the TUI request queue to complete a pending request.",
+          }),
+        ),
+      )
+      .annotateMerge(OpenApi.annotations({ title: "tui", description: "Experimental HttpApi TUI routes." }))
+      .middleware(Authorization),
+  )
+  .annotateMerge(
+    OpenApi.annotations({
+      title: "opencode experimental HttpApi",
+      version: "0.0.1",
+      description: "Experimental HttpApi surface for selected instance routes.",
+    }),
+  )
+
+export const tuiHandlers = Layer.unwrap(
+  Effect.gen(function* () {
+    const bus = yield* Bus.Service
+    const session = yield* Session.Service
+    const publishCommand = (command: typeof TuiEvent.CommandExecute.properties.Type.command) =>
+      bus.publish(TuiEvent.CommandExecute, { command })
+
+    const appendPrompt = Effect.fn("TuiHttpApi.appendPrompt")(function* (ctx: {
+      payload: typeof TuiEvent.PromptAppend.properties.Type
+    }) {
+      yield* bus.publish(TuiEvent.PromptAppend, ctx.payload)
+      return true
+    })
+
+    const openHelp = Effect.fn("TuiHttpApi.openHelp")(function* () {
+      yield* publishCommand("help.show")
+      return true
+    })
+
+    const openSessions = Effect.fn("TuiHttpApi.openSessions")(function* () {
+      yield* publishCommand("session.list")
+      return true
+    })
+
+    const openThemes = Effect.fn("TuiHttpApi.openThemes")(function* () {
+      yield* publishCommand("session.list")
+      return true
+    })
+
+    const openModels = Effect.fn("TuiHttpApi.openModels")(function* () {
+      yield* publishCommand("model.list")
+      return true
+    })
+
+    const submitPrompt = Effect.fn("TuiHttpApi.submitPrompt")(function* () {
+      yield* publishCommand("prompt.submit")
+      return true
+    })
+
+    const clearPrompt = Effect.fn("TuiHttpApi.clearPrompt")(function* () {
+      yield* publishCommand("prompt.clear")
+      return true
+    })
+
+    const executeCommand = Effect.fn("TuiHttpApi.executeCommand")(function* (ctx: {
+      payload: typeof CommandPayload.Type
+    }) {
+      yield* publishCommand(commandAliases[ctx.payload.command as keyof typeof commandAliases] ?? ctx.payload.command)
+      return true
+    })
+
+    const showToast = Effect.fn("TuiHttpApi.showToast")(function* (ctx: {
+      payload: typeof TuiEvent.ToastShow.properties.Type
+    }) {
+      yield* bus.publish(TuiEvent.ToastShow, ctx.payload)
+      return true
+    })
+
+    const publish = Effect.fn("TuiHttpApi.publish")(function* (ctx: { payload: typeof TuiPublishPayload.Type }) {
+      if (ctx.payload.type === TuiEvent.PromptAppend.type)
+        yield* bus.publish(TuiEvent.PromptAppend, ctx.payload.properties)
+      if (ctx.payload.type === TuiEvent.CommandExecute.type)
+        yield* bus.publish(TuiEvent.CommandExecute, ctx.payload.properties)
+      if (ctx.payload.type === TuiEvent.ToastShow.type) yield* bus.publish(TuiEvent.ToastShow, ctx.payload.properties)
+      if (ctx.payload.type === TuiEvent.SessionSelect.type)
+        yield* bus.publish(TuiEvent.SessionSelect, ctx.payload.properties)
+      return true
+    })
+
+    const selectSession = Effect.fn("TuiHttpApi.selectSession")(function* (ctx: {
+      payload: typeof TuiEvent.SessionSelect.properties.Type
+    }) {
+      yield* session
+        .get(ctx.payload.sessionID)
+        .pipe(Effect.catchCause(() => Effect.fail(new HttpApiError.NotFound({}))))
+      yield* bus.publish(TuiEvent.SessionSelect, ctx.payload)
+      return true
+    })
+
+    const controlNext = Effect.fn("TuiHttpApi.controlNext")(function* () {
+      return yield* Effect.promise(() => nextTuiRequest())
+    })
+
+    const controlResponse = Effect.fn("TuiHttpApi.controlResponse")(function* (ctx: { payload: unknown }) {
+      submitTuiResponse(ctx.payload)
+      return true
+    })
+
+    return HttpApiBuilder.group(TuiApi, "tui", (handlers) =>
+      handlers
+        .handle("appendPrompt", appendPrompt)
+        .handle("openHelp", openHelp)
+        .handle("openSessions", openSessions)
+        .handle("openThemes", openThemes)
+        .handle("openModels", openModels)
+        .handle("submitPrompt", submitPrompt)
+        .handle("clearPrompt", clearPrompt)
+        .handle("executeCommand", executeCommand)
+        .handle("showToast", showToast)
+        .handle("publish", publish)
+        .handle("selectSession", selectSession)
+        .handle("controlNext", controlNext)
+        .handle("controlResponse", controlResponse),
+    )
+  }),
+)
diff --git a/packages/opencode/src/server/routes/instance/index.ts b/packages/opencode/src/server/routes/instance/index.ts
index f0bd3f842..90151c9a8 100644
--- a/packages/opencode/src/server/routes/instance/index.ts
+++ b/packages/opencode/src/server/routes/instance/index.ts
@@ -24,6 +24,7 @@ import { InstancePaths } from "./httpapi/instance"
 import { McpPaths } from "./httpapi/mcp"
 import { SessionPaths } from "./httpapi/session"
 import { SyncPaths } from "./httpapi/sync"
+import { TuiPaths } from "./httpapi/tui"
 import { ProjectRoutes } from "./project"
 import { SessionRoutes } from "./session"
 import { PtyRoutes } from "./pty"
@@ -130,6 +131,19 @@ export const InstanceRoutes = (upgrade: UpgradeWebSocket): Hono => {
     app.delete(SessionPaths.deleteMessage, (c) => handler(c.req.raw, context))
     app.delete(SessionPaths.deletePart, (c) => handler(c.req.raw, context))
     app.patch(SessionPaths.updatePart, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.appendPrompt, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.openHelp, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.openSessions, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.openThemes, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.openModels, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.submitPrompt, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.clearPrompt, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.executeCommand, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.showToast, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.publish, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.selectSession, (c) => handler(c.req.raw, context))
+    app.get(TuiPaths.controlNext, (c) => handler(c.req.raw, context))
+    app.post(TuiPaths.controlResponse, (c) => handler(c.req.raw, context))
   }
 
   return app
diff --git a/packages/opencode/src/server/routes/instance/tui.ts b/packages/opencode/src/server/routes/instance/tui.ts
index 932cf509e..2fd931112 100644
--- a/packages/opencode/src/server/routes/instance/tui.ts
+++ b/packages/opencode/src/server/routes/instance/tui.ts
@@ -12,15 +12,23 @@ import { errors } from "../../error"
 import { lazy } from "@/util/lazy"
 import { runRequest } from "./trace"
 
-const TuiRequest = z.object({
+export const TuiRequest = z.object({
   path: z.string(),
   body: z.any(),
 })
 
-type TuiRequest = z.infer<typeof TuiRequest>
+export type TuiRequest = z.infer<typeof TuiRequest>
 
 const request = new AsyncQueue<TuiRequest>()
-const response = new AsyncQueue<any>()
+const response = new AsyncQueue<unknown>()
+
+export function nextTuiRequest() {
+  return request.next()
+}
+
+export function submitTuiResponse(body: unknown) {
+  response.push(body)
+}
 
 export async function callTui(ctx: Context) {
   const body = await ctx.req.json()
@@ -50,7 +58,7 @@ const TuiControlRoutes = new Hono()
       },
     }),
     async (c) => {
-      const req = await request.next()
+      const req = await nextTuiRequest()
       return c.json(req)
     },
   )
@@ -74,7 +82,7 @@ const TuiControlRoutes = new Hono()
     validator("json", z.any()),
     async (c) => {
       const body = c.req.valid("json")
-      response.push(body)
+      submitTuiResponse(body)
       return c.json(true)
     },
   )
diff --git a/packages/opencode/test/server/httpapi-tui.test.ts b/packages/opencode/test/server/httpapi-tui.test.ts
new file mode 100644
index 000000000..f5dac5ab4
--- /dev/null
+++ b/packages/opencode/test/server/httpapi-tui.test.ts
@@ -0,0 +1,79 @@
+import { afterEach, describe, expect, test } from "bun:test"
+import type { Context } from "hono"
+import type { UpgradeWebSocket } from "hono/ws"
+import { Flag } from "@opencode-ai/core/flag/flag"
+import { SessionID } from "../../src/session/schema"
+import { Instance } from "../../src/project/instance"
+import { InstanceRoutes } from "../../src/server/routes/instance"
+import { TuiPaths } from "../../src/server/routes/instance/httpapi/tui"
+import { callTui } from "../../src/server/routes/instance/tui"
+import { Log } from "../../src/util"
+import { resetDatabase } from "../fixture/db"
+import { tmpdir } from "../fixture/fixture"
+
+void Log.init({ print: false })
+
+const original = Flag.OPENCODE_EXPERIMENTAL_HTTPAPI
+const websocket = (() => () => new Response(null, { status: 501 })) as unknown as UpgradeWebSocket
+
+function app() {
+  Flag.OPENCODE_EXPERIMENTAL_HTTPAPI = true
+  return InstanceRoutes(websocket)
+}
+
+async function expectTrue(path: string, headers: Record<string, string>, body?: unknown) {
+  const response = await app().request(path, {
+    method: "POST",
+    headers: { ...headers, "content-type": "application/json" },
+    body: JSON.stringify(body ?? {}),
+  })
+  expect(response.status).toBe(200)
+  expect(await response.json()).toBe(true)
+}
+
+afterEach(async () => {
+  Flag.OPENCODE_EXPERIMENTAL_HTTPAPI = original
+  await Instance.disposeAll()
+  await resetDatabase()
+})
+
+describe("tui HttpApi bridge", () => {
+  test("serves TUI command and event routes through experimental Effect routes", async () => {
+    await using tmp = await tmpdir({ git: true, config: { formatter: false, lsp: false } })
+    const headers = { "x-opencode-directory": tmp.path }
+
+    await expectTrue(TuiPaths.appendPrompt, headers, { text: "hello" })
+    await expectTrue(TuiPaths.openHelp, headers)
+    await expectTrue(TuiPaths.openSessions, headers)
+    await expectTrue(TuiPaths.openThemes, headers)
+    await expectTrue(TuiPaths.openModels, headers)
+    await expectTrue(TuiPaths.submitPrompt, headers)
+    await expectTrue(TuiPaths.clearPrompt, headers)
+    await expectTrue(TuiPaths.executeCommand, headers, { command: "agent_cycle" })
+    await expectTrue(TuiPaths.showToast, headers, { message: "Saved", variant: "success" })
+    await expectTrue(TuiPaths.publish, headers, {
+      type: "tui.prompt.append",
+      properties: { text: "from publish" },
+    })
+
+    const missing = await app().request(TuiPaths.selectSession, {
+      method: "POST",
+      headers: { ...headers, "content-type": "application/json" },
+      body: JSON.stringify({ sessionID: SessionID.descending() }),
+    })
+    expect(missing.status).toBe(404)
+  })
+
+  test("serves TUI control queue through experimental Effect routes", async () => {
+    await using tmp = await tmpdir({ git: true, config: { formatter: false, lsp: false } })
+    const pending = callTui({ req: { json: async () => ({ value: 1 }), path: "/demo" } } as unknown as Context)
+    const headers = { "x-opencode-directory": tmp.path }
+
+    const next = await app().request(TuiPaths.controlNext, { headers })
+    expect(next.status).toBe(200)
+    expect(await next.json()).toEqual({ path: "/demo", body: { value: 1 } })
+
+    await expectTrue(TuiPaths.controlResponse, headers, { ok: true })
+    expect(await pending).toEqual({ ok: true })
+  })
+})