{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T02:30:35.491701+00:00","duration_seconds":1.355826,"id":1820905,"input_summary":"chars=528 node=683210","metadata":{"llm_candidates":[{"callsign":"K4CUP","confidence":0.78},{"callsign":"KL7FR","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K4CUP,KL7FR","recording_id":173899,"started_at":"2026-07-18T02:30:34.135875+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169351}