{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T23:51:26.590908+00:00","duration_seconds":7.024505,"id":1843366,"input_summary":"chars=871 node=683210","metadata":{"llm_candidates":[{"callsign":"KO4LL","confidence":0.78},{"callsign":"KM5Y","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KO4LL,KM5Y","recording_id":175484,"started_at":"2026-07-18T23:51:19.566403+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170717}