{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T12:53:32.894595+00:00","duration_seconds":2.401511,"id":1739891,"input_summary":"chars=596 node=683210","metadata":{"llm_candidates":[{"callsign":"KE2CXQ","confidence":0.78},{"callsign":"KJ7SHD","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KE2CXQ,KJ7SHD","recording_id":168278,"started_at":"2026-07-16T12:53:30.493084+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":164241}