{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T23:17:11.579140+00:00","duration_seconds":0.536697,"id":1635997,"input_summary":"chars=134 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7C","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K7C","recording_id":161494,"started_at":"2026-07-12T23:17:11.042443+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158306}