{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T16:56:50.887390+00:00","duration_seconds":1.001552,"id":1401737,"input_summary":"chars=901 node=683210","metadata":{"llm_candidates":[{"callsign":"K4LGI","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K4LGI","recording_id":145412,"started_at":"2026-07-05T16:56:49.885838+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":143703}