{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-14T05:47:25.520650+00:00","duration_seconds":22.521506,"id":1689136,"input_summary":"chars=789 node=683211","metadata":{"llm_candidates":[{"callsign":"KJ7PEU","confidence":0.78},{"callsign":"KX2CW","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KJ7PEU,KX2CW","recording_id":165147,"started_at":"2026-07-14T05:47:02.999144+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":161678}