{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T15:22:49.902737+00:00","duration_seconds":1.52035,"id":1328448,"input_summary":"chars=222 node=683210","metadata":{"llm_candidates":[{"callsign":"GB7XF","confidence":0.78},{"callsign":"KB6LU","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=GB7XF,KB6LU","recording_id":140369,"started_at":"2026-07-03T15:22:48.382387+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":139100}