{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-24T12:15:06.853043+00:00","duration_seconds":3.527673,"id":2818556,"input_summary":"chars=486 node=683210","metadata":{"llm_candidates":[{"callsign":"W2DOF","confidence":0.78},{"callsign":"W1SS","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W2DOF,W1SS","recording_id":265080,"started_at":"2026-08-24T12:15:03.325370+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":251179}