feat(controller): Add private _ai_status and _mma_status attributes to AppController

src/app_controller.py

@@ -168,6 +168,7 @@ class AppController:
   self._show_patch_modal: bool = False
   self._patch_error_message: Optional[str] = None
   self.mma_status: str = "idle"
+  self._mma_status: str = "idle"
   self._tool_log: List[Dict[str, Any]] = []
   self._tool_stats: Dict[str, Dict[str, Any]] = {}  # {tool_name: {"count": 0, "total_time_ms": 0.0, "failures": 0}}
   self._cached_cache_stats: Dict[str, Any] = {}  # Pre-computed cache stats for GUI
@@ -251,6 +252,7 @@ class AppController:
   self.proposed_tracks: List[Dict[str, Any]] = []
   self._show_track_proposal_modal: bool = False
   self.ai_status: str = 'idle'
+  self._ai_status: str = 'idle'
   self.ai_response: str = ''
   self.last_md: str = ''
   self.last_aggregate_markdown: str = ''
@@ -3185,3 +3187,4 @@ class AppController:
    else:
     self.active_tickets = []
 
+