feat(testing): stabilize simulation suite and fix gemini caching

tests/test_live_workflow.py

@@ -45,27 +45,28 @@ def test_full_live_workflow(live_gui):
 
     # Enable auto-add so the response ends up in history
     client.set_value("auto_add_history", True)
+    client.set_value("current_model", "gemini-2.5-flash-lite")
     time.sleep(0.5)
 
     # 3. Discussion Turn
     client.set_value("ai_input", "Hello! This is an automated test. Just say 'Acknowledged'.")
     client.click("btn_gen_send")
-    
+
     # Verify thinking indicator appears (might be brief)
     thinking_seen = False
     print("\nPolling for thinking indicator...")
-    for i in range(20):
+    for i in range(40):
         state = client.get_indicator_state("thinking_indicator")
         if state.get('shown'):
             thinking_seen = True
             print(f"Thinking indicator seen at poll {i}")
             break
         time.sleep(0.5)
-    
+
     # 4. Wait for response in session
     success = False
     print("Waiting for AI response in session...")
-    for i in range(60):
+    for i in range(120):
         session = client.get_session()
         entries = session.get('session', {}).get('entries', [])
         if any(e.get('role') == 'AI' for e in entries):
@@ -74,8 +75,7 @@ def test_full_live_workflow(live_gui):
             break
         time.sleep(1)
 
-    assert success, "AI failed to respond within 60 seconds"
-
+    assert success, "AI failed to respond within 120 seconds"
     # 5. Switch Discussion
     client.set_value("disc_new_name_input", "AutoDisc")
     client.click("btn_disc_create")