{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T05:53:05.584158+00:00","duration_seconds":1.533058,"id":1824828,"input_summary":"chars=668 node=683211","metadata":{"llm_candidates":[{"callsign":"KG7WOI","confidence":0.78},{"callsign":"KC5WA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KG7WOI,KC5WA","recording_id":174176,"started_at":"2026-07-18T05:53:04.051100+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169603}