{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T16:37:06.428425+00:00","duration_seconds":0.538619,"id":1031020,"input_summary":"chars=1834 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KJ7VEU","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KJ7VEU","recording_id":28184,"started_at":"2026-06-28T16:37:05.889806+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":28185}