Add no-op members + supporting types (FilterMode/TextureWrapMode/WrapMode/Keyframe/ AnimatorStateInfo/AnimatorClipInfo) to the UnityEngine shim. Standard Unity API surface, inferred from frontier member names — Unity types aren't in the decomp so they're hand-extended, not generated. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>