{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T12:56:19.490138+00:00","duration_seconds":2.613005,"id":1740025,"input_summary":"chars=564 node=683210","metadata":{"llm_candidates":[{"callsign":"K4ITA","confidence":0.78},{"callsign":"K20P","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K4ITA,K20P","recording_id":168288,"started_at":"2026-07-16T12:56:16.877133+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":164251}