{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T01:57:53.039405+00:00","duration_seconds":0.63638,"id":1251268,"input_summary":"chars=552 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7FDT","confidence":0.78},{"callsign":"W68J","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K7FDT,W68J","recording_id":134623,"started_at":"2026-07-01T01:57:52.403025+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":133941}