{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T23:56:03.890850+00:00","duration_seconds":0.663086,"id":1280497,"input_summary":"chars=35 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"WB3ABN","confidence":0.78},{"callsign":"K7T","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=WB3ABN,K7T","recording_id":136759,"started_at":"2026-07-01T23:56:03.227764+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":135872}