{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T04:27:27.120907+00:00","duration_seconds":2.934829,"id":311662,"input_summary":"chars=725 node=683211","metadata":{"llm_candidates":[{"callsign":"KJ7JXM","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ7JXM,KK7NQN","recording_id":122221,"started_at":"2026-06-25T04:27:24.186078+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":122222}