{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T15:07:33.630186+00:00","duration_seconds":2.435928,"id":1829869,"input_summary":"chars=431 node=683210","metadata":{"llm_candidates":[{"callsign":"WH7DH","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=WH7DH","recording_id":174538,"started_at":"2026-07-18T15:07:31.194258+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169891}