Method __init__

backend/database.py:8–18

(self, db_path: str = None)

class ChatDatabase:
    def __init__(self, db_path: str = None):
        if db_path is None:
            # Auto-detect environment and set appropriate path
            import os
            if os.path.exists("/app"):  # Docker environment
                self.db_path = "/app/backend/chat_data.db"
            else:  # Local development environment
                self.db_path = "backend/chat_data.db"
        else:
            self.db_path = db_path
        self.init_database()
    
    def init_database(self):
        """Initialize the SQLite database with required tables"""