feat(rust): start native runtime migration

.github/workflows/rust.yml

@@ -0,0 +1,37 @@
+name: Rust migration
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  native:
+    name: Rust / Node ${{ matrix.node }} / ${{ matrix.os }}
+    if: github.event_name == 'push' || (github.event.pull_request.head.repo.full_name == github.repository && contains(fromJSON('["OWNER","MEMBER","COLLABORATOR"]'), github.event.pull_request.author_association))
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        node: [22, 24]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v7
+        with:
+          persist-credentials: false
+      - uses: pnpm/action-setup@v6
+        with:
+          version: 11.1.2
+          run_install: false
+      - uses: actions/setup-node@v7
+        with:
+          node-version: ${{ matrix.node }}
+          cache: pnpm
+      - name: Install the pinned Rust toolchain
+        run: rustup toolchain install 1.95.0 --profile minimal --component rustfmt,clippy
+      - run: pnpm install --frozen-lockfile
+      - name: Native gates and JavaScript differential parity
+        run: pnpm run check:rust

.gitignore

@@ -1,4 +1,5 @@
 node_modules/
+target/
 dist/
 coverage/
 .testforge/