{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T02:31:22.487865+00:00","duration_seconds":0.690639,"id":902927,"input_summary":"chars=475 node=oldsys","metadata":{"llm_candidates":[{"callsign":"JD7YVD","confidence":0.78},{"callsign":"KD7JOY","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=JD7YVD,KD7JOY","recording_id":36006,"started_at":"2026-06-28T02:31:21.797226+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":36007}