{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T23:28:08.584803+00:00","duration_seconds":2.080477,"id":1815154,"input_summary":"chars=740 node=683211","metadata":{"llm_candidates":[{"callsign":"GW8SAD","confidence":0.78},{"callsign":"AE8E9","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=GW8SAD,AE8E9","recording_id":173534,"started_at":"2026-07-17T23:28:06.504326+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169027}