{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T03:08:43.229851+00:00","duration_seconds":0.792427,"id":1821486,"input_summary":"chars=779 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"WH7IBY","confidence":0.78},{"callsign":"K7UNC","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=WH7IBY,K7UNC","recording_id":173934,"started_at":"2026-07-18T03:08:42.437424+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169383}