chore(.github/workflows): add release smoke test workflowAdds CI pipeline that runs on tag and release events, checks formatting, lints, builds, tests, verifies binary execution, uploads artifact, and publishes to crates.io and AUR.

- New Features: - Implements automated release smoke testing pipeline.
- Enhancements: - Adds formatting linting and binary verification steps.
- Bug Fixes: -

.github/workflows/release-smoke.yml

@@ -0,0 +1,77 @@
+name: Release Smoke Test
+on:
+  push:
+    tags:
+      - '[0-9]+.[0-9]+.[0-9]+'
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+  release:
+    types: [published]
+env:
+  CARGO_TERM_COLOR: always
+jobs:
+  smoke-test:
+    name: Smoke Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+      - name: Run Clippy Lints
+        run: cargo clippy -- -D warnings
+      - name: Build release
+        run: cargo build --release --verbose
+      - name: Run tests
+        run: cargo test --verbose
+      - name: Smoke test — binary runs
+        run: ./target/release/lapctl --version
+      - name: Upload release artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: lapctl-${{ github.ref_name }}
+          path: ./target/release/lapctl
+      - name: Publish to crates.io
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+        run: cargo publish
+  publish-aur:
+    name: Publish to AUR
+    needs: smoke-test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up Rust
+        uses: dtolnay/rust-toolchain@stable
+      - name: Setup pacman
+        uses: archlinux/actions/setup-pacman@v1
+        with:
+          update: true
+      - name: Install base-devel (for makepkg)
+        run: sudo pacman -S --noconfirm --needed base-devel
+      - name: Get version
+        id: version
+        run: echo "version=${GITHUB_REF_NAME#v}" >> "$GITHUB_OUTPUT"
+      - name: Generate PKGBUILD with cargo-aur
+        run: |
+          cargo install cargo-aur
+          mkdir -p aur-pkg
+          cargo aur --output aur-pkg
+      - name: Generate .SRCINFO
+        working-directory: aur-pkg
+        run: makepkg --printsrcinfo > .SRCINFO
+      - name: Push to AUR
+        uses: KSXGitHub/github-actions-deploy-aur@v2.5.0
+        with:
+          pkgname: lapctl
+          pkgver: ${{ steps.version.outputs.version }}
+          assets: |
+            aur-pkg/PKGBUILD
+            aur-pkg/.SRCINFO
+          ssh_private_key: ${{ secrets.AUR_SSH_PRIVATE_KEY }}
+          commit_username: ${{ github.actor }}
+          commit_email: ${{ github.actor }}@users.noreply.github.com