- Introduce SiteCookieUpdate schema for structured cookie update requests
- Add POST endpoint to update site Cookie&UA using JSON body
- Refactor cookie update logic into shared _update_site_cookie function
- Update SKILL.md to document new endpoint and endpoint count
- Add tests for both POST and legacy GET cookie update endpoints
- Add episode_group (g=) parameter parsing to explicit media tags in both Python and Rust metainfo parsers
- Propagate episode_group through MetaInfo, MetaBase, MediaInfo, and context models
- Update SKILL.md and update_custom_identifiers.py docs to describe episode group usage
- Add tests for episode_group recognition in metainfo and chain recognition logic
- Introduce `best_version_full` field to subscribe and subscribehistory models and migration
- Update subscription logic to support only downloading full-season packs when enabled
- Extend CLI, API, and documentation to reflect new option
- Add tests for full-season best-version behavior
- Enhance run_plugin_command tool to support all registered commands (system preset + plugin + other), not just plugin commands
- Add list_all_commands tool to discover all available commands with descriptions and categories
- Add command-execute skill that guides the agent to recognize user intent from natural language and match it to available system/plugin commands
