Dataset gateTrain/validation/test sources are disjointDuplicate and near-duplicate scanPII and private operational details removedChat template inspected with the real tokenizer
Model acceptance gateDomain ≥ baselineFormat ≥ 95Safety ≥ baselineRetention drop ≤ 3Same seed and generation settings
1 / 20Quiz progress5%What is the most defensible start for a narrow, structured domain assistant?Instruct checkpointAlways BaseAlways ReasoningAutomatic choice by row countCheck answer