{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T15:49:15.707100+00:00","duration_seconds":1.706695,"id":1506623,"input_summary":"chars=702 node=66296","metadata":{"llm_candidates":[{"callsign":"W7AZV","confidence":0.78},{"callsign":"KB7R","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=6 calls=W7AZV,KB7R","recording_id":152771,"started_at":"2026-07-08T15:49:14.000405+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":150297}