Tasks

• [x] Add API models and DTO translation tests.

• [x] Add paced session transport, pagination, and windowed scanning.

• [x] Add atomic metadata/search ingestion and stable registry identity.

• [x] Add guarded seed migration and lifecycle tests.

• [x] Run regression tests, types, lint and import checks; document verification.

• [x] Update provider architecture and global checklist.

• [x] Rebuild auth headers from current request-scoped cookies; cover rotation, deletion, expiry, failed refresh recovery, and concurrent callers.

• [x] Replace the Yellowstone provider-page card with ReserveAmerica; pass frontend types, lint and all 340 tests.

• [x] Inspect and accept updated desktop light/dark snapshots from macOS CI.

• [x] Separate canonical public URLs from API/session URLs; migrate existing provider rows and cover frontend links, booking URL generation, session host isolation, and migration round trips.