test(tui): update prompt fixture preload

packages/tui/test/prompt/clipboard.test.ts

@@ -77,14 +77,16 @@ async function mountPrompt(read: () => Promise<ClipboardReadResult>, imagePrevie
 
   const events = createEventStream()
   const calls = createFetch(undefined, events)
+  const requests: string[] = []
   let preloaded!: () => void
   const preload = new Promise<void>((resolve) => (preloaded = resolve))
   const server = Bun.serve({
     port: 0,
     fetch: async (request) => {
+      requests.push(new URL(request.url).pathname)
       const response = await calls.fetch(request)
       const url = new URL(request.url)
-      if (url.pathname === "/api/session" && url.searchParams.has("project")) preloaded()
+      if (url.pathname === "/api/session/active") preloaded()
       return response
     },
   })
@@ -103,14 +105,22 @@ async function mountPrompt(read: () => Promise<ClipboardReadResult>, imagePrevie
         log: () => {},
       }).pipe(Effect.provide(AppNodeBuilder.build(Global.node)), Effect.provide(FileSystem.layerNoop({}))),
     )
-    await mounted
+    await Promise.race([
+      mounted,
+      task.then(() => {
+        throw new Error("Prompt application exited before mounting")
+      }),
+      Bun.sleep(2_000).then(() => {
+        throw new Error(`Prompt application did not mount; requests: ${requests.join(", ")}`)
+      }),
+    ])
     await setup.waitFor(() => activePromptRef?.focused === true)
     await preload
     await Bun.sleep(0)
   } catch (error) {
     setup.renderer.destroy()
-    await task?.catch(() => undefined)
     await server.stop()
+    await task?.catch(() => undefined)
     activeSetup = undefined
     activeHost = undefined
     activePromptRef = undefined