fix(server): support desktop PTY websockets with HttpApi (#25598)

packages/opencode/src/util/timeout.ts

@@ -1,4 +1,4 @@
-export function withTimeout<T>(promise: Promise<T>, ms: number): Promise<T> {
+export function withTimeout<T>(promise: Promise<T>, ms: number, label?: string): Promise<T> {
   let timeout: NodeJS.Timeout
   return Promise.race([
     promise.finally(() => {
@@ -6,7 +6,7 @@ export function withTimeout<T>(promise: Promise<T>, ms: number): Promise<T> {
     }),
     new Promise<never>((_, reject) => {
       timeout = setTimeout(() => {
-        reject(new Error(`Operation timed out after ${ms}ms`))
+        reject(new Error(label ?? `Operation timed out after ${ms}ms`))
       }, ms)
     }),
   ])