{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T03:07:47.833664+00:00","duration_seconds":12.256182,"id":1821454,"input_summary":"chars=711 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KC1PIU","confidence":0.78},{"callsign":"K1C","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KC1PIU,K1C","recording_id":173931,"started_at":"2026-07-18T03:07:35.577482+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169380}