~anthropic/claude-sonnet-latest → B (55:45)

Side B introduces a real architectural improvement: raw entity payloads are now persisted through the event log (EntityImported event) and replayed on startup, fetches become explicit user actions instead of implicit auto-fetch, and it adds config (dotenv, configurable API/OAuth bases) plus tests and fixtures validating replay/import correctness. Side A is a broad but mostly mechanical refactor (threading theme/jar/uri params through many handlers, room-prefixed URL helpers) which is useful but lower-risk plumbing with less architectural novelty, though it does add solid test coverage for URL prefixing.