- TestEngineWire: API key and Accept on every request, create on 404 with
the schema or auto fields, 409 as success, JSONL import with
success:false and unreadable lines as errors (message capped, no
document), 404-tolerant delete/flush with id escaping, SearchIDs
parameters and id parsing, typed errors without bodies, transport
errors without the URL, timeout
- TestEngineConfig: search.typesense.* parsing and the registered engine
(coverage 95.6%)