{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T22:07:48.826923+00:00","duration_seconds":1.553039,"id":412989,"input_summary":"chars=1491 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"KC2PKG","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=KK7NQN,KC2PKG","recording_id":92981,"started_at":"2026-06-25T22:07:47.273884+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":92982}