Clicking A/B/C/D or stop must persist the answer, close the probe, and
update posteriors in one idempotent transaction instead of sending the
option text as a chat message.
Co-authored-by: Cursor <cursoragent@cursor.com>
Engine result rows stay immutable. Choice answers append transitions, and reads overlay the latest revision instead of patching the cached receipt.
Co-authored-by: Cursor <cursoragent@cursor.com>
Choice C/D without new evidence never changed the candidate posterior until the next dated-event rescore, and persist-v2 would cache-hit on the same evidence fingerprint. Patch the latest decision_receipt.inference_state in place so the next follow-up sees the asked split immediately.
Co-authored-by: Cursor <cursoragent@cursor.com>