Recognize “刚刚上传” as @latest_upload and summarize the project’s newest CAS attachment (with clear parse pending/failed/no-asset replies) instead of searching only controlled workflow docs.
Add SWITCH/TRIGGER/QUERY workflow, doc status, help and unsupported intents with ActionSpec registry entries, NL matchers, L2 handlers with creator-only switch gate, router routes, and capability-aware AvailableActions. Co-authored-by: Cursor <cursoragent@cursor.com>