Use this skill when Abel auth is missing, expired, or needs to be initialized. 1. Check whether usable Abel auth already exists by running: Resolve to this installed skill directory before running the command. Do not use a current-working-directory relative path. 2. Reuse existing auth if present. 3. If auth is missing or invalid, read and start the OAuth handoff from there. 4. Persist the resulting key to for this installed collection. 5. Report whether Abel is ready for live use. ---