{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T03:58:39.845916+00:00","duration_seconds":1.701614,"id":586684,"input_summary":"chars=646 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KB0MAI","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=2 calls=KB0MAI,KK7NQN","recording_id":75701,"started_at":"2026-06-27T03:58:38.144302+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":75702}