- Add GET /adapters route for listing all adapters
- Add GET /adapters/{name} for edit form with per-adapter fields
- Add POST /adapters/{name} for validation, update, and audit
- Add ADAPTER_UPDATE audit constant
- Add Adapters nav link to base.html
- Server-side validation for cadence (60-3600), email format,
api_key_alias existence, satellites, and feed values
- Region displayed read-only with 1b-5 placeholder
- Hot reload via existing NOTIFY trigger (no new mechanism)
- Add comprehensive tests (9 tests)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
