{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T11:19:41.429271+00:00","duration_seconds":2.872355,"id":1426828,"input_summary":"chars=597 node=683210","metadata":{"llm_candidates":[{"callsign":"KJ5MLZ","confidence":0.78},{"callsign":"W5GHR","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ5MLZ,W5GHR","recording_id":147078,"started_at":"2026-07-06T11:19:38.556916+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":145260}