{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T17:25:59.002302+00:00","duration_seconds":1.423525,"id":1473639,"input_summary":"chars=620 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7HLD","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7HLD","recording_id":150458,"started_at":"2026-07-07T17:25:57.578777+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":148245}