{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T13:34:41.688684+00:00","duration_seconds":2.174387,"id":1657635,"input_summary":"chars=610 node=683210","metadata":{"llm_candidates":[{"callsign":"W4KNS","confidence":0.78},{"callsign":"K9T","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W4KNS,K9T","recording_id":162970,"started_at":"2026-07-13T13:34:39.514297+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159708}