Drop Hidden so authoritative interface integrity still passes, restore
the CI historical command gate, and keep the unsupported notice without
Skill guidance.
Co-authored-by: Cursor <cursoragent@cursor.com>
Keep a Hidden compatibility shim that returns 不再支持 for plan/
execute/finalize, so this release stops supporting the surface while a
later release can delete the shim entirely.
Co-authored-by: Cursor <cursoragent@cursor.com>