Generate extension API shims

RUSTREWRITE.md

@@ -53,21 +53,21 @@ The current workspace is a structural baseline, not a working client:
   resolved to cross-platform Rust or project-owned boundary types;
 - the completed Types, StructuredData, Imaging, PrimMesher, rendering, main
   wire/data, core runtime/networking, avatar-facing manager, and
-  world/social/service manager slices expose 2,795 final Rust-facing types and
-  all 28,768 callable members with real fields/constants/enum values and
-  standardized failing bodies;
+  world/social/service manager, RLV, LSL tools, Utilities, Vivox, and WebRTC
+  slices expose all 3,066 final Rust-facing types and all 30,789 callable
+  members with real fields/constants/enum values and standardized failing
+  bodies;
 - all 1,295 NUnit `[Test]`/`[TestCase]` invocations have compiling Rust test
   entries that intentionally panic with their source identity and body hash;
 - all nine sample/tool projects have compiling Rust binary targets;
 - the 128 TestClient command source files are retained as a command inventory.
 
-The remaining 271 generated type shims preserve names and module placement, but
-do not yet expose their 2,021 callable members. `api/SURFACE.tsv` is an inventory aid,
-not proof of API coverage: it records declaration lines but does not fully parse
-multiline signatures. Likewise, a generated `pending` test is a parity
-placeholder, not a semantic translation. **This repository is therefore at
-Stage 0 and does not yet satisfy either the full API-shim gate or the full
-test-suite gate.**
+No generated type shells remain pending: all cataloged members are callable.
+`api/SURFACE.tsv` is still an inventory aid, not proof of API coverage: it
+records declaration lines but does not fully parse multiline signatures.
+Likewise, a generated `pending` test is a parity placeholder, not a semantic
+translation. **This repository is therefore at Stage 0 and still requires the
+independent downstream API audit and full test-suite gate.**
 
 The avatar-facing slice preserves the C# agent, movement/camera, appearance and
 outfit-policy, inventory/AIS/store, asset/cache, avatar, and animesh concepts.
@@ -82,6 +82,13 @@ explicit cancellation and shared typed failures; request/reply events expose
 typed payloads and subscription guards, while catalog constants and flag values
 remain real.
 
+The extension slice preserves the C# RLV restrictions, callbacks and services;
+LSL lexer/parser/generator and diagnostic types; Utilities helpers; Vivox
+protocol/session/manager types; and WebRTC signaling/device/session concepts.
+Blocking compatibility surfaces stay explicit, stored callbacks and events use
+typed ownership, and parser/voice bodies fail before performing parsing,
+networking, device access, or proprietary/native work.
+
 No functional porting starts until both missing gates are complete across the
 entire workspace, rather than one crate at a time: