diff --git a/.github/workflows/pull-request-validation.yml b/.github/workflows/pull-request-validation.yml
new file mode 100644
index 00000000..efe87075
--- /dev/null
+++ b/.github/workflows/pull-request-validation.yml
@@ -0,0 +1,89 @@
+name: Pull Request Validation
+
+on:
+  pull_request:
+
+concurrency:
+  group: pr-validation-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  frontend:
+    name: Frontend
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v7
+        with:
+          node-version: 24
+          package-manager-cache: false
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
+      - name: Install frontend dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build frontend
+        run: pnpm build
+
+      - name: Run frontend tests
+        run: pnpm test
+
+  rust:
+    name: Rust tests and format
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+
+      - name: Check changed Rust formatting
+        shell: bash
+        env:
+          BASE_SHA: ${{ github.event.pull_request.base.sha || github.event.before }}
+          HEAD_SHA: ${{ github.event.pull_request.head.sha || github.sha }}
+        run: |
+          mapfile -t files < <(git diff --name-only --diff-filter=ACMR "$BASE_SHA" "$HEAD_SHA" -- 'src-tauri/**/*.rs')
+          if (( ${#files[@]} )); then
+            rustfmt --edition 2021 --check --config skip_children=true "${files[@]}"
+          fi
+
+      - name: Run Rust tests
+        run: cargo test --locked --manifest-path src-tauri/Cargo.toml
+
+  platform-check:
+    name: Platform compile (${{ matrix.os }})
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Compile platform-specific Rust
+        run: cargo check --locked --manifest-path src-tauri/Cargo.toml
diff --git a/package.json b/package.json
index 40c3b87e..ab7ba46a 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,8 @@
     "release": "node scripts/release.mjs",
     "release:patch": "node scripts/release.mjs patch",
     "release:minor": "node scripts/release.mjs minor",
-    "release:major": "node scripts/release.mjs major"
+    "release:major": "node scripts/release.mjs major",
+    "test": "node --experimental-strip-types --test tests/*.test.*"
   },
   "dependencies": {
     "@tauri-apps/api": "^2.10.0",