samsonchoi 4e4d40ef33 feat: multi-instance support with --config parameter
Add support for running multiple nanobot instances with complete isolation:

- Add --config parameter to gateway command for custom config file path
- Implement set_config_path() in config/loader.py for dynamic config path
- Derive data directory from config file location (e.g., ~/.nanobot-xxx/)
- Update get_data_path() to use unified data directory from config loader
- Ensure cron jobs use instance-specific data directory

This enables running multiple isolated nanobot instances by specifying
different config files, with each instance maintaining separate:
- Configuration files
- Workspace (memory, sessions, skills)
- Cron jobs
- Logs and media

Example usage:
  nanobot gateway --config ~/.nanobot-instance2/config.json --port 18791
2026-03-05 23:48:45 +08:00
..