{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-11T18:37:54.350077+00:00","duration_seconds":5.361825,"id":2532744,"input_summary":"chars=587 node=683210","metadata":{"llm_candidates":[{"callsign":"KF2WV","confidence":0.78},{"callsign":"KY4NV","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KF2WV,KY4NV","recording_id":234057,"started_at":"2026-08-11T18:37:48.988252+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":223055}