Merge #782 fix(approvals): the list leaves a dialog too new to judge

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/web/approval-inbox.ts

@@ -373,6 +373,21 @@ export class ApprovalInbox {
     return true;
   }
 
+  /**
+   * The list route's sweep: `verifyStillAnswerable`, but never before the delay
+   * `notePrompt` waits out. A frame that shows no dialog proves nothing about a
+   * dialog Ink has not painted yet, and the working line still on screen then
+   * would resolve a live prompt, clearing its red alert on every device. The
+   * list used to run once per page load, which made that rare; a client that
+   * polls it (the macOS app's logo) would hit it on every new dialog. Each
+   * call on an older dialog costs one synchronous pane capture.
+   */
+  sweepForList(id: string): boolean {
+    const item = this.getById(id);
+    if (item && Date.now() - item.createdAt < STALE_CHECK_DELAY_MS) return true;
+    return this.verifyStillAnswerable(id);
+  }
+
   /**
    * "This session's pane started moving again": re-verify its pending DIALOG
    * item against the screen and resolve it if the dialog is gone.

src/web/routes/approval-routes.ts

@@ -84,8 +84,9 @@ export function registerApprovalRoutes(app: FastifyInstance, ctx: SessionPort):
       // conservative rule the answer path uses (`verifyStillAnswerable`): only
       // an item whose original frame parsed options can be resolved this way, so
       // an unreadable capture keeps the alert rather than dropping it. Resolving
-      // here broadcasts `approval:resolved`, so the other devices clear too.
-      return approvalInbox.verifyStillAnswerable(item.id);
+      // here broadcasts `approval:resolved`, so the other devices clear too. A
+      // dialog too new to judge is left alone (`sweepForList`).
+      return approvalInbox.sweepForList(item.id);
     });
     return { success: true, data: { approvals } };
   });