{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T18:37:45.130968+00:00","duration_seconds":0.911278,"id":1836767,"input_summary":"chars=579 node=683210","metadata":{"llm_candidates":[{"callsign":"KC7YF","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KC7YF","recording_id":175023,"started_at":"2026-07-18T18:37:44.219690+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170328}