{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T20:45:31.979779+00:00","duration_seconds":2.270022,"id":853682,"input_summary":"chars=1028 node=683210","metadata":{"llm_candidates":[{"callsign":"W4NC","confidence":0.78},{"callsign":"W4DK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W4NC,W4DK","recording_id":126871,"started_at":"2026-06-27T20:45:29.709757+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":126870}