- Change file mode from 644 to 755 for all project files
- Add chain_id parameter to get_balance RPC endpoint with default "ait-devnet"
- Rename Miner.extra_meta_data to extra_metadata for consistency
- Change coordinator database from /opt/data/coordinator.db to ./data/coordinator.db
- Update config.py to use relative path consistent with blockchain-node
- Update deployment scripts to use /opt/coordinator-api/data/coordinator.db
- Add data directory creation in init_db() for consistency
- Update .env.example files to reflect new standard
- Maintain backward compatibility for production deployment