{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T05:02:21.585487+00:00","duration_seconds":0.827801,"id":1456480,"input_summary":"chars=680 node=66296","metadata":{"llm_candidates":[{"callsign":"KX2CW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KX2CW","recording_id":149213,"started_at":"2026-07-07T05:02:20.757686+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":147142}