* feat(wecom): upgrade wecom bot from text-only to full media + progress streaming
- Add image/file message handling with encrypted media download
- Add media upload & send (auto image/file type detection, fallback to text on failure)
- Add real-time per-turn progress streaming via _turn_end_hooks
- Add send_done with automatic file attachment extraction from agent replies
- Add terminal CLI: help/status/stop/exit for runtime control
- Add run stats tracking (received/completed counts)
- Refactor message parsing into shared _accept() method (dedup + auth + register)
- Harden None-safety on body.get(from) and dedup ID fallback
- Move state from module globals to instance attributes
* refactor(wecomapp): parameterize agent & client, remove dead code
- Remove module-level agent creation; inject via constructor
- Make WSClient injectable in start() for testability
- Clean up stale comments and version tag
- Add inline doc for split_limit
UnsongK
effd2ee0d1
