perf(test): bypass queue debounce in fast mode and tighten announce defaults

src/utils/queue-helpers.ts

@@ -112,6 +112,9 @@ export function waitForQueueDebounce(queue: {
   debounceMs: number;
   lastEnqueuedAt: number;
 }): Promise<void> {
+  if (process.env.OPENCLAW_TEST_FAST === "1") {
+    return Promise.resolve();
+  }
   const debounceMs = Math.max(0, queue.debounceMs);
   if (debounceMs <= 0) {
     return Promise.resolve();