{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T12:19:34.889589+00:00","duration_seconds":8.528603,"id":1654573,"input_summary":"chars=593 node=683210","metadata":{"llm_candidates":[{"callsign":"KM7C","confidence":0.78},{"callsign":"W2C","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KM7C,W2C","recording_id":162729,"started_at":"2026-07-13T12:19:26.360986+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159483}