{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T12:15:50.081091+00:00","duration_seconds":2.853574,"id":1260535,"input_summary":"chars=694 node=683210","metadata":{"llm_candidates":[{"callsign":"N1WEB","confidence":0.78},{"callsign":"K8C","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=N1WEB,K8C","recording_id":135286,"started_at":"2026-07-01T12:15:47.227517+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134547}