ResourceAnnotateRequest

Request body for annotating a resource's block with provenance sources (issue #355) —
POST /api/resources/{id}/provenance. The annotate-only write: attach sources WITHOUT a body
revise (no re-chunk/re-embed). Carries no content — that is the whole point.

{ "confidence": null, "correlation_id": null, "invocation_id": null, "model": "string", "persona": "string", "rationale": "string", "reasoning": "string", "content_block": "8561673c-4758-49c2-9cc1-55d464d4b065", "sources": [ { "kind": "event", "value": "a860a344-d7b2-406e-828e-8d442f23f344" } ] }