{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T15:44:40.089458+00:00","duration_seconds":1.924714,"id":740788,"input_summary":"chars=1649 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"W7AD","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=4 calls=KK7NQN,W7AD","recording_id":57919,"started_at":"2026-06-27T15:44:38.164744+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":57920}