ToolheadScanner Cloudflare Worker GET /dashboard Web dashboard for scanner operations POST /run?recheck=1 Trigger a manual scan GET /last-run Fetch the last stored scan report GET /extra-locations List KV-backed extra GitHub locations POST /extra-locations Add one extra location DELETE /extra-locations Remove one extra location GET /api/reference-data Fetch toolhead reference data for editor POST /api/create-pr Create a GitHub PR with toolhead changes