{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T02:16:39.391960+00:00","duration_seconds":2.479588,"id":1488909,"input_summary":"chars=844 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7H","confidence":0.78},{"callsign":"K9P","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K7H,K9P","recording_id":151511,"started_at":"2026-07-08T02:16:36.912372+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149198}