{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T18:52:51.181655+00:00","duration_seconds":2.301121,"id":539217,"input_summary":"chars=469 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"K7MAG","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=KK7NQN,K7MAG","recording_id":124723,"started_at":"2026-06-26T18:52:48.880534+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":124724}