{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T22:47:00.355650+00:00","duration_seconds":0.956996,"id":1635612,"input_summary":"chars=723 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KJ7AM","confidence":0.78},{"callsign":"K7ALM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ7AM,K7ALM","recording_id":161467,"started_at":"2026-07-12T22:46:59.398654+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158282}