{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T13:59:32.766930+00:00","duration_seconds":1.293782,"id":1743278,"input_summary":"chars=843 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"AK7LA","confidence":0.78},{"callsign":"AK7H","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=5 calls=AK7LA,AK7H","recording_id":168519,"started_at":"2026-07-16T13:59:31.473148+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":164478}