{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T20:47:42.958842+00:00","duration_seconds":2.370883,"id":1840582,"input_summary":"chars=898 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"WA7ZWD","confidence":0.78},{"callsign":"K7TTY","confidence":0.78},{"callsign":"K7Z","confidence":0.78}]},"output_summary":"ai_candidates=3 merged=5 calls=WA7ZWD,K7TTY,K7Z","recording_id":175279,"started_at":"2026-07-18T20:47:40.587959+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170560}