{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T11:56:42.031629+00:00","duration_seconds":2.042787,"id":507065,"input_summary":"chars=709 node=683211","metadata":{"llm_candidates":[{"callsign":"KB0MAI","confidence":1.0},{"callsign":"KC2PKG","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KB0MAI,KC2PKG","recording_id":123879,"started_at":"2026-06-26T11:56:39.988842+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":123880}