{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T06:53:33.712697+00:00","duration_seconds":2.295023,"id":603492,"input_summary":"chars=1150 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KC2PKG","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=3 calls=KC2PKG","recording_id":81426,"started_at":"2026-06-27T06:53:31.417674+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":81427}