chore(mma): Verify track loading in visual simulation and fix deterministic ID logic

gui_2.py

@@ -2063,6 +2063,8 @@ class App:
     print(f"Dependency error in track '{title}': {e}")
     sorted_tickets_data = raw_tickets
     # 3. Create Track and Ticket objects
+   from datetime import datetime
+   now = datetime.now()
    tickets = []
    for t_data in sorted_tickets_data:
     ticket = Ticket(
@@ -2078,8 +2080,6 @@ class App:
    track = Track(id=track_id, description=title, tickets=tickets)
    # Initialize track state in the filesystem
    from models import TrackState, Metadata
-   from datetime import datetime
-   now = datetime.now()
    meta = Metadata(id=track_id, name=title, status="todo", created_at=now, updated_at=now)
    state = TrackState(metadata=meta, discussion=[], tasks=tickets)
    project_manager.save_track_state(track_id, state, self.ui_files_base_dir)