Exposes user ListenBrainz config (token_set bool, enabled, last_scrobbled_at)
via write-only token semantics; enforces no-enable-without-token at the API layer.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
CI's golangci-lint run flagged three files; two pre-existed this
branch but the Plan 3 seedTrackWithFile struct-literal alignment
is new. Applying gofmt across all three keeps the lint baseline clean.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
bvandeusen