{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T00:11:53.613461+00:00","duration_seconds":0.896968,"id":1410482,"input_summary":"chars=348 node=683211","metadata":{"llm_candidates":[{"callsign":"N4LRK","confidence":0.78},{"callsign":"KB6D","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=5 calls=N4LRK,KB6D","recording_id":146001,"started_at":"2026-07-06T00:11:52.716493+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":144236}