internal/

Package atomic provides atomic file write helpers built on tmp-file + fsync + rename, the only primitive stdlib gives us for crash-safe writes.

Package auth provides the single-user credential, token store, and cookie session machinery shared by the Reader API and the htmx web UI.

Package config holds the on-disk configuration for harborrs and the concrete OPMLProvider used by the UI and Reader API.

Package feedpreview provides a small HTTP-client + gofeed wrapper that the UI uses to render the add-feed preview page.

Package poll fetches RSS/Atom feeds with conditional GETs and adaptive scheduling, persisting state via the store package.

Package reader implements the Google Reader API subset spoken by FreshRSS-compatible clients (Reeder Classic, NetNewsWire, etc).

Package selfupdate implements `harborrs update`: download the latest release matching the current GOOS/GOARCH from GitHub Releases, verify its sha256 against checksums.txt, and atomically replace the running binary.

Package store is the on-disk storage layer for harborrs.

Package ui implements the embedded htmx web UI.