{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T21:07:11.912690+00:00","duration_seconds":1.039498,"id":1067633,"input_summary":"chars=457 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7CHP","confidence":0.78},{"callsign":"K7WHY","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K7CHP,K7WHY","recording_id":24480,"started_at":"2026-06-28T21:07:10.873192+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":24481}