- Removed the old npc_memory.db file.
- Updated time.txt with a new timestamp.
- Refactored transaction recording in bank_functions.py to use parameterized queries.
- Enhanced DatabaseManager in sql_commands.py to support singleton pattern and improved table creation logic.
- Added methods for sanitizing SQL identifiers and parsing insert columns for upsert operations.
- Improved error handling and connection management in execute_query, fetch_one, fetch_all, and fetch_as_dataframe methods.
- Introduced a new bootstrap_database.py script for initializing the database schema.
- Updated app.py to use the new initialize_database function for database management.
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