{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T00:43:34.186518+00:00","duration_seconds":0.593954,"id":1309818,"input_summary":"chars=10 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"AG7WT","confidence":0.78},{"callsign":"K01K","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=AG7WT,K01K","recording_id":138988,"started_at":"2026-07-03T00:43:33.592564+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137827}