Claude Code skills for running a self-hosted Arr-stack (Radarr/Sonarr/Lidarr/Readarr/Prowlarr) — config backup & diff, TRaSH-Guides quality profiles, request-manager wiring, download-client queue ops, path validation, secrets handling, health sweeps, and compose lifecycle. Talks to each app's real REST API; no bespoke dashboard, no hardcoded infra.