{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T02:31:52.505669+00:00","duration_seconds":1.217596,"id":578104,"input_summary":"chars=5358 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.9}]},"output_summary":"ai_candidates=1 merged=3 calls=KK7NQN","recording_id":76569,"started_at":"2026-06-27T02:31:51.288073+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":76570}