{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T15:02:50.941326+00:00","duration_seconds":0.507005,"id":1467395,"input_summary":"chars=132 node=683211","metadata":{"llm_candidates":[{"callsign":"KR4HSZ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KR4HSZ","recording_id":150004,"started_at":"2026-07-07T15:02:50.434321+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":147842}