Implement enum and conversion compatibility

README.md

@@ -62,7 +62,12 @@ byte encodings are explicitly little-endian and do not depend on host
 architecture. Matrix4 preserves LibreMetaverse's row-major storage, row-vector
 transform direction, and translation in the fourth row; quaternion components
 are stored as `(x, y, z, w)` and products use the reference Hamilton-product
-direction. The remaining Types surfaces stay visibly failure-only until their
-owning milestone issues are completed.
+direction. All Types enum discriminants retain their C# widths, extensible
+protocol flags preserve unknown bits, and the native conversion layer covers
+numeric and floating-point byte order, UTF-8
+and hex text, hashes and PBKDF2, timestamps, IP addresses, region handles, enum
+metadata, and cross-platform OS detection. The remaining Types collections,
+caches, and token bucket stay visibly failure-only until their owning milestone
+issue is completed.
 The controlled audit aggregates every expected failure by standardized C#
 member ID and rejects unrelated fixture, assertion, compile, or symbol errors.