{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-14T04:12:30.588487+00:00","duration_seconds":0.754216,"id":1686138,"input_summary":"chars=512 node=66296","metadata":{"llm_candidates":[{"callsign":"WQ7H","confidence":0.78},{"callsign":"KF7E","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=WQ7H,KF7E","recording_id":164964,"started_at":"2026-07-14T04:12:29.834271+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":161501}