{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T21:11:21.557933+00:00","duration_seconds":1.55072,"id":407615,"input_summary":"chars=591 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KN4CWC","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=2 calls=KN4CWC,KK7NQN","recording_id":93573,"started_at":"2026-06-25T21:11:20.007213+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":93574}