📝 docs: add background conversation generation hub and cross-links Document default-on server replies, browser fallback, worker env, and how related features interact after a tab close.
📝 docs(skills): document composer-only activation
📝 docs(skills): document local package import
📝 docs(skills): document feature flag controls
📝 docs(skills): clarify activation and install behavior
📝 docs(skills): clarify activation and uninstall behavior
docs(skills): document installation and activation