{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T23:23:01.687366+00:00","duration_seconds":2.146309,"id":1814950,"input_summary":"chars=533 node=683211","metadata":{"llm_candidates":[{"callsign":"GW8S","confidence":0.78},{"callsign":"K2HA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=GW8S,K2HA","recording_id":173521,"started_at":"2026-07-17T23:22:59.541057+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169016}