{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T08:18:35.197439+00:00","duration_seconds":2.287257,"id":612069,"input_summary":"chars=918 node=oldsys","metadata":{"llm_candidates":[{"callsign":"W27H","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=4 calls=W27H,KK7NQN","recording_id":73089,"started_at":"2026-06-27T08:18:32.910182+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":73090}