Add Miri testing for unsafe code validation

.github/workflows/miri.yml

@@ -0,0 +1,46 @@
+# SPDX-FileCopyrightText: 2025 RAprogramm <andrey.rozanov.vl@gmail.com>
+# SPDX-License-Identifier: MIT
+
+name: Miri
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  schedule:
+    - cron: '0 3 * * 1'
+
+permissions:
+  contents: read
+
+env:
+  CARGO_TERM_COLOR: always
+  RUST_BACKTRACE: 1
+
+jobs:
+  miri:
+    name: Miri
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      actions: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust nightly with Miri
+        uses: dtolnay/rust-toolchain@nightly
+        with:
+          components: miri
+
+      - name: Setup Rust cache
+        uses: Swatinem/rust-cache@v2
+        with:
+          key: miri
+
+      - name: Run Miri tests
+        run: |
+          cargo miri setup
+          cargo miri test --all-features
+        env:
+          MIRIFLAGS: -Zmiri-symbolic-alignment-check -Zmiri-disable-isolation