fix(cli): ensure agent stops when all declinable tools are cancelled (#24479)

packages/cli/src/ui/hooks/useGeminiStream.ts

@@ -1968,11 +1968,20 @@ export const useGeminiStream = (
       }
 
       // If all the tools were cancelled, don't submit a response to Gemini.
-      const allToolsCancelled = geminiTools.every(
-        (tc) => tc.status === CoreToolCallStatus.Cancelled,
+      // Note: we ignore the topic tool because the user doesn't have a chance to decline it.
+      const declinableTools = geminiTools.filter(
+        (tc) => !isTopicTool(tc.request.name),
       );
+      const allDeclinableToolsCancelled =
+        declinableTools.length > 0 &&
+        declinableTools.every(
+          (tc) => tc.status === CoreToolCallStatus.Cancelled,
+        );
+      const allToolsCancelled =
+        geminiTools.length > 0 &&
+        geminiTools.every((tc) => tc.status === CoreToolCallStatus.Cancelled);
 
-      if (allToolsCancelled) {
+      if (allDeclinableToolsCancelled || allToolsCancelled) {
         // If the turn was cancelled via the imperative escape key flow,
         // the cancellation message is added there. We check the ref to avoid duplication.
         if (!turnCancelledRef.current) {