{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T06:22:52.721560+00:00","duration_seconds":1.886067,"id":600261,"input_summary":"chars=447 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"KC2PKG","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7NQN,KC2PKG","recording_id":74409,"started_at":"2026-06-27T06:22:50.835493+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":74410}