diff --git a/apps/web/src/components/ThreadNotificationCoordinator.badge.browser.test.ts b/apps/web/src/components/ThreadNotificationCoordinator.badge.browser.test.ts
index aab1de3db6726..e2202254c91fd 100644
--- a/apps/web/src/components/ThreadNotificationCoordinator.badge.browser.test.ts
+++ b/apps/web/src/components/ThreadNotificationCoordinator.badge.browser.test.ts
@@ -243,12 +243,19 @@ it.each(["hasPendingApprovals", "hasPendingUserInput"] as const)(
 );
 
 it.each(["hasPendingApprovals", "hasPendingUserInput"] as const)(
-  "notifies again when a new %s request replaces the pending one in the same run",
+  "notifies once per %s request, not again as queued runs start behind it",
   async (flag) => {
     await using app = setup();
     app.start();
-    state.shells.set("one", shell({ [flag]: true, pendingRequestId: "request-1" }));
-    state.shells.set("one", shell({ [flag]: true, pendingRequestId: "request-2" }));
+    const waiting = (turnId: string, pendingRequestId: string) =>
+      shell({
+        [flag]: true,
+        pendingRequestId,
+        latestTurn: { turnId, state: "running", completedAt: null },
+      });
+    state.shells.set("one", waiting("turn-1", "request-1"));
+    state.shells.set("one", waiting("turn-2", "request-1"));
+    state.shells.set("one", waiting("turn-2", "request-2"));
     const title = flag === "hasPendingApprovals" ? "Approval needed" : "Input needed";
     expect(TestNotification.sent.map(({ title }) => title)).toEqual([title, title]);
   },
diff --git a/apps/web/src/components/ThreadNotificationCoordinator.logic.ts b/apps/web/src/components/ThreadNotificationCoordinator.logic.ts
index c8f0ca7df7a9a..81002179ea9c7 100644
--- a/apps/web/src/components/ThreadNotificationCoordinator.logic.ts
+++ b/apps/web/src/components/ThreadNotificationCoordinator.logic.ts
@@ -1,7 +1,7 @@
 export type ThreadNotificationKind = "input" | "completion";
 
 export interface ThreadNotificationObservation {
-  /** Run, status and request key while the thread needs attention, otherwise null. */
+  /** Status and request key, or status and run without a request, while the thread needs attention. */
   readonly attention: string | null;
   /** The pending request's id, when it has one; null whenever attention is. */
   readonly requestId: string | null;
diff --git a/apps/web/src/components/ThreadNotificationCoordinator.tsx b/apps/web/src/components/ThreadNotificationCoordinator.tsx
index 2051d4ad633a8..1de9cfcf87ee5 100644
--- a/apps/web/src/components/ThreadNotificationCoordinator.tsx
+++ b/apps/web/src/components/ThreadNotificationCoordinator.tsx
@@ -261,9 +261,13 @@ export function startThreadNotifications(
         status === "failed" ||
         status === "limited";
       const requestId = needsAttention ? resolveBackgroundThreadRequest(thread).requestId : null;
-      const attention = needsAttention
-        ? `${thread.latestRun?.runId ?? ""}:${status}:${requestId ?? ""}`
-        : null;
+      // Queued messages become the latest run while a request stays pending, so a request
+      // with an id is keyed by that id alone and announces once.
+      const attention = !needsAttention
+        ? null
+        : requestId !== null
+          ? `${status}:${requestId}`
+          : `${thread.latestRun?.runId ?? ""}:${status}`;
       const completed = status === "ready" && thread.latestRun?.status === "completed";
       const settled = completed && !monitorHoldsWakeCompletion(rawThread);
       const parsedCompletedAt = Date.parse(thread.latestRun?.completedAt ?? "");