feat(gui): Add auto-scroll, blinking history, and reactive API events

simulation/sim_execution.py

@@ -12,17 +12,12 @@ class ExecutionSimulation(BaseSimulation):
         print(f"[Sim] Sending message to trigger script: {msg}")
         self.sim.run_discussion_turn(msg)
         
-        # 2. Wait for confirmation modal
-        print("[Sim] Waiting for confirmation modal...")
-        modal_shown = False
-        for i in range(30):
-            if self.client.get_value("show_confirm_modal"):
-                modal_shown = True
-                print(f"[Sim] Modal shown at second {i}")
-                break
-            time.sleep(1)
+        # 2. Wait for confirmation event
+        print("[Sim] Waiting for confirmation event...")
+        ev = self.client.wait_for_event("script_confirmation_required", timeout=45)
         
-        assert modal_shown, "Expected confirmation modal to be shown"
+        assert ev is not None, "Expected script_confirmation_required event"
+        print(f"[Sim] Event received: {ev}")
         
         # 3. Approve script
         print("[Sim] Approving script execution...")