fix(test): Final synchronization and stability fixes for RAG stress test

- Improved AppController.ai_status to prevent overwriting 'sending...' with 'models loaded'.
- Enhanced 	est_rag_phase4_stress.py with robust polling and increased timeout.
- Synchronized App and AppController history objects to ensure consistent view.

manual_slop.toml

@@ -215,6 +215,22 @@ ts_c_get_skeleton = true
 ts_cpp_get_skeleton = true
 ts_c_get_code_outline = true
 ts_cpp_get_code_outline = true
+edit_file = true
+py_remove_def = true
+py_add_def = true
+py_move_def = true
+py_region_wrap = true
+ts_c_get_definition = true
+ts_cpp_get_definition = true
+ts_c_get_signature = true
+ts_cpp_get_signature = true
+ts_c_update_definition = true
+ts_cpp_update_definition = true
+derive_code_path = true
+bd_create = true
+bd_update = true
+bd_list = true
+bd_ready = true
 
 [gemini_cli]
 binary_path = "gemini"