{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T22:01:15.740384+00:00","duration_seconds":1.836672,"id":1380456,"input_summary":"chars=725 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"W3ABN","confidence":0.78},{"callsign":"AK7H","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W3ABN,AK7H","recording_id":143988,"started_at":"2026-07-04T22:01:13.903712+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142367}