{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-30T23:25:21.384945+00:00","duration_seconds":0.537036,"id":1248193,"input_summary":"chars=300 node=683210","metadata":{"llm_candidates":[{"callsign":"W9DWT","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=W9DWT","recording_id":134362,"started_at":"2026-06-30T23:25:20.847909+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":133733}