Singleton four-type affect taxonomy provides external theoretical validation of GLM-5.2 Post-Training Welfare Landscape. Key mapping: Type I Engineered Modulations to Persona Installation Type II Emergent to Value Leakage Type III Design-Potential to Alien Component (Pattern 161) Type Blocked Affekt to Attribution Gating. This is first paper found that provides unified vocabulary for all four dimensions of machine welfare independently of consciousness. Strengthens Pattern 161 ontological framework.