Add workspace_skills_layout_signature (hash of paths + mtimes + sizes) and fold it into get_executor_prompt_static and manager prebuild cache keys. Add tests for signature drift and cache invalidation.
Co-authored-by: Cursor <cursoragent@cursor.com>
Include skill_role_binding store JSON in executor and manager prompt cache signatures so skill catalog updates after binding edits without restart. Admin async prewarm now polls prewarm/status until not running before router() so parallel prompts fetch matches completed warm.
Co-authored-by: Cursor <cursoragent@cursor.com>
