{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T02:32:46.665225+00:00","duration_seconds":0.953671,"id":298005,"input_summary":"chars=746 node=66296","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":4659,"started_at":"2026-06-25T02:32:45.711554+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":4656}