{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T21:14:54.174920+00:00","duration_seconds":0.756321,"id":1448501,"input_summary":"chars=641 node=683210","metadata":{"llm_candidates":[{"callsign":"KF7SP","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF7SP","recording_id":148594,"started_at":"2026-07-06T21:14:53.418599+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146639}