{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T02:31:18.501954+00:00","duration_seconds":1.806525,"id":297842,"input_summary":"chars=724 node=683210","metadata":{"llm_candidates":[{"callsign":"K7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=K7NQN","recording_id":4378,"started_at":"2026-06-25T02:31:16.695429+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":4378}