{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T18:52:50.105800+00:00","duration_seconds":2.681894,"id":539214,"input_summary":"chars=501 node=683211","metadata":{"llm_candidates":[{"callsign":"K7NQX","confidence":1.0},{"callsign":"K7NQN","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=6 calls=K7NQX,K7NQN","recording_id":124724,"started_at":"2026-06-26T18:52:47.423906+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":124725}