Translate wire semantics tests

RUSTREWRITE.md

@@ -60,7 +60,8 @@ The current workspace is a structural baseline, not a working client:
   members with real fields/constants/enum values and standardized failing
   bodies;
 - all 1,289 real NUnit `[Test]`/`[TestCase]` invocations have stable catalog
-  entries; pending cases do not generate executable placeholder tests;
+  entries; 145 are translated, four benchmarks are reviewed, and 1,140 remain
+  pending without executable placeholder tests;
 - all nine sample/tool projects have compiling Rust binary targets;
 - the 128 TestClient command source files are retained as a command inventory.
 
@@ -75,8 +76,9 @@ gate is complete; semantic test translation is the next stage.**
 The avatar-facing slice preserves the C# agent, movement/camera, appearance and
 outfit-policy, inventory/AIS/store, asset/cache, avatar, and animesh concepts.
 Long-running mapped calls retain an explicit cross-platform cancellation token
-and return the shared `NotImplemented { csharp_member }` error; events return a
-typed subscription guard so callback lifetime is visible to Rust callers.
+and return the shared `Error::NotImplemented(NotImplemented { csharp_member })`
+error; events return a typed subscription guard so callback lifetime is visible
+to Rust callers.
 
 The world-facing slice preserves the C# object, parcel, terrain, grid,
 environment, estate, directory, friend, group, sound, interest-list,
@@ -276,7 +278,7 @@ Each mapped Rust item must actually compile and be callable:
   untyped placeholder.
 
 The body is the only part allowed to be fake. Fallible Rust APIs return a shared
-typed `NotImplemented { csharp_member }` error. Infallible constructors,
+typed `Error::NotImplemented(NotImplemented { csharp_member })` error. Infallible constructors,
 accessors, operators and trait methods call a shared `unimplemented_api!`
 placeholder that panics with the stable C# member ID. Constants and enum values
 must have their real values. Never return plausible defaults such as `false`,
@@ -286,7 +288,8 @@ for the wrong reason.
 The failure contract lives in `libremetaverse-types` and every API crate exposes
 it as `crate::Error`:
 
-- synchronous fallible members return `Err(NotImplemented::new(CSHARP_ID))`;
+- synchronous fallible members return
+  `Err(Error::NotImplemented(NotImplemented::new(CSHARP_ID)))`;
   async members do the same when first polled and start no work first;
 - a stream-producing operation returns the typed error before exposing a
   stream; an intrinsically infallible stream factory uses `unimplemented_api!`
@@ -330,8 +333,9 @@ and semantic-review status. Reviewed tests are identified by `parity-case`
 markers in hand-written Rust files, so regeneration records unresolved cases
 without creating fake executable tests and fails on body drift. The checked-in
 audit reports pending, translated, ignored-live, benchmark, drifted, missing,
-duplicate, stale, and unreviewed cases; the initial handover contains 1,289
-unreviewed cases.
+duplicate, stale, and unreviewed cases. The initial handover contained 1,289
+unreviewed cases; the current ledger contains 145 translated, four
+benchmark-reviewed, and 1,140 pending cases.
 
 The Rust tests must call the public APIs rather than internal replacements.
 Where the C# tests call internal members through friend-assembly access, record