Summary
Delete every message in the thread, plus stored raw RFC822, cached attachment text, attachment bytes, and search rows. Owner tasks and updates stay. Returns {id, deleted:true, messages_deleted}. Unknown thread returns 404 thread_not_found.
Request
This call has no JSON body.
Response
The OpenAPI document does not declare a JSON response schema for this call. The summary is the contract.Errors
- HTTP 404 thread_not_found
Idempotency
This route does not document Idempotency-Key or client_id.