{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-19T01:58:57.954115+00:00","duration_seconds":1.435476,"id":1846122,"input_summary":"chars=393 node=683210","metadata":{"llm_candidates":[{"callsign":"KF0YAR","confidence":0.78},{"callsign":"KF7ADV","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KF0YAR,KF7ADV","recording_id":175692,"started_at":"2026-07-19T01:58:56.518639+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170892}