Document planning runtime architecture in README

Ignore tracked Xiaohongshu CLI cache files

Add planning runtime and stabilize bounded ReAct execution

Fix direct social publish and Xiaohongshu routing

Add direct publisher runtime fallbacks

Add feishu twitter publish footer test

Fix twitter publisher skill routing

Improve twitter research fallback

Document lark-cli setup and usage

Add lark-cli integration and base tooling

Add Xiaohongshu publisher skill

Add Xiaohongshu CLI integration

Add dynamic skill scoring and fallback routing

Extract processor message helpers

Extract processor consolidation helpers