{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T15:42:02.739647+00:00","duration_seconds":28.534952,"id":1831449,"input_summary":"chars=971 node=683211","metadata":{"llm_candidates":[{"callsign":"KD7WA","confidence":0.78},{"callsign":"KT7J","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KD7WA,KT7J","recording_id":174656,"started_at":"2026-07-18T15:41:34.204695+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169992}