{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T02:54:26.590721+00:00","duration_seconds":0.537135,"id":1253546,"input_summary":"chars=774 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"W7J7","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=W7J7","recording_id":134801,"started_at":"2026-07-01T02:54:26.053586+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134099}