{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T12:21:11.958320+00:00","duration_seconds":2.618158,"id":664137,"input_summary":"chars=1920 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"K9PFD","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=KK7NQN,K9PFD","recording_id":66887,"started_at":"2026-06-27T12:21:09.340162+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":66888}