Generate complete DIS v7 low-level model set

Author: RejectKid

CHANGELOG.md

@@ -10,3 +10,5 @@ Versioning after 1.0 and uses prerelease versions while conformance is incomplet
 - Added typed Entity State, Fire, and Detonation PDU parsing and serialization.
 - Added cross-platform CI, CodeQL, Dependabot, OIDC NuGet publishing, and a UDP
   packet-inspector sample.
+- Added deterministic schema validation and generated low-level models for all
+  253 DIS v7 classes, including all 72 standardized PDU model types.

docs/conformance.md

@@ -10,6 +10,8 @@ input tests, and round-trip tests.
 - [x] Big-endian integer and IEEE-754 primitives
 - [x] Defensive length and version validation
 - [x] Unknown/future PDU preservation
+- [x] Generated public low-level models for all 253 DIS v7 schema classes
+- [x] Machine-verified catalog of all 72 standardized PDU model types
 - [ ] Typed DIS v7 PDU suite (3 of 72 standardized PDU types implemented)
 - [ ] SISO-REF-010-2025 v36 generated enumerations