{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T14:15:02.641521+00:00","duration_seconds":1.868543,"id":1530491,"input_summary":"chars=769 node=683211","metadata":{"llm_candidates":[{"callsign":"KC2PKG","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KC2PKG","recording_id":154362,"started_at":"2026-07-09T14:15:00.772978+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151755}