{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T22:44:17.571701+00:00","duration_seconds":2.73599,"id":558584,"input_summary":"chars=722 node=683211","metadata":{"llm_candidates":[{"callsign":"K2HJ","confidence":1.0},{"callsign":"K2EJ","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=K2HJ,K2EJ","recording_id":125180,"started_at":"2026-06-26T22:44:14.835711+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":125180}