Headless research pass

The pass did not produce a valid research result: RuntimeError: Codex gpt-5.6-sol failed rc=0: was rejected. Python 3.12.3 generated and independently reconstructed the CNF. CaDiCaL 1.7.3 performed the bounded search and emitted LRAT. Fresh GCC builds of retained lrat-check and CakeLPR sources rejected the incomplete proof. No CAS, proof assistant, cloud lab, external proof service, or human validator produced terminal evidence.\"\n}\n```"}} {"type":"item.completed","item":{"id":"item_1","type":"todo_list","items":[{"text":"Audit workspace, retained route artifacts, pinned solvers, and authoritative status","completed":true},{"text":"Predeclare the cheapest proof-producing calibration and its fail-closed gates","completed":true},{"text":"Run through the reproducibility harness and independently attack the result","completed":true},{"text":"Write immutable evidence/checkpoint artifacts and report exact scoped outcome","completed":true}]}} {"type":"turn.completed","usage":{"input_tokens":4489104,"cached_input_tokens":4323840,"output_tokens":41998,"reasoning_output_tokens":10553}}