{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T19:11:38.352699+00:00","duration_seconds":0.614416,"id":1050716,"input_summary":"chars=243 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KE7KZH","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KE7KZH","recording_id":26127,"started_at":"2026-06-28T19:11:37.738283+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":26128}