{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T21:15:12.813112+00:00","duration_seconds":2.737533,"id":1448531,"input_summary":"chars=656 node=683210","metadata":{"llm_candidates":[{"callsign":"KM7GQV","confidence":0.78},{"callsign":"KM2V","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KM7GQV,KM2V","recording_id":148595,"started_at":"2026-07-06T21:15:10.075579+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146640}