{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T01:40:47.441722+00:00","duration_seconds":1.393841,"id":177493,"input_summary":"chars=967 node=683211","metadata":{"llm_candidates":[{"callsign":"K7LZ","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=6 calls=K7LZ","recording_id":112063,"started_at":"2026-06-24T01:40:46.047881+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":112064}