diff --git a/neode-ui/src/services/contextBroker.ts b/neode-ui/src/services/contextBroker.ts
index 1735963f..90b727eb 100644
--- a/neode-ui/src/services/contextBroker.ts
+++ b/neode-ui/src/services/contextBroker.ts
@@ -105,8 +105,12 @@ export class ContextBroker {
 
   /** How long the one-shot aiui:tool-confirm-response listener stays armed
    * before being cleaned up — slightly beyond the node's own CONFIRM_TIMEOUT
-   * (120s), after which the node has already declined the action itself. */
-  private static readonly CONFIRM_LISTENER_TTL_MS = 130_000
+   * (300s since 13-08's UAT bump; was 120s), after which the node has
+   * already declined the action itself. Must stay ABOVE the node timeout:
+   * a TTL below it disarms the listener while the dialog is still
+   * legitimately open, and an approve clicked in that window goes nowhere
+   * until the next poll re-announces. */
+  private static readonly CONFIRM_LISTENER_TTL_MS = 310_000
 
   private confirmPollTimer: ReturnType<typeof setInterval> | null = null
   /** Chat turns currently in flight — polling runs while > 0. */