fix(phase6): resolve minimax regression and context snapshotting crash

tests/test_rag_phase4_final_verify.py

@@ -61,15 +61,22 @@ def test_phase4_final_verify(live_gui):
   
   # Wait for completion
   success = False
-  for _ in range(50):
+  print("[VERIFY] Polling for completion...")
+  for i in range(100):
    state = client.get_gui_state()
-   if state.get('ai_status') == 'done':
+   status = state.get('ai_status')
+   if i % 10 == 0:
+    print(f"[VERIFY] Poll {i}, status: {status}")
+   if status == 'done':
     success = True
     break
+   if "error" in status.lower():
+    print(f"[VERIFY] Error detected: {status}")
+    break
    time.sleep(0.5)
-  assert success, "AI request timed out"
-  
-  # 5. Verify discussion history has the context
+  if not success:
+   print(f"[VERIFY] Timeout! Final status: {status}")
+  assert success, f"AI request timed out or failed. Status: {status}"  # 5. Verify discussion history has the context
   session = client.get_session()
   entries = session.get('session', {}).get('entries', [])