chore: ratatui 0.30 maintenance + collaboration baseline (#1)

.github/workflows/release.yml

@@ -0,0 +1,47 @@
+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "Cargo.toml version to release (for example 0.7.0)"
+        required: true
+        type: string
+      publish:
+        description: "Publish to crates.io (false runs dry validation only)"
+        required: true
+        default: false
+        type: boolean
+
+permissions:
+  contents: read
+
+jobs:
+  release:
+    if: github.ref == 'refs/heads/main'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - name: Verify requested version matches Cargo.toml
+        shell: bash
+        run: |
+          actual="$(sed -n 's/^version = "\(.*\)"/\1/p' Cargo.toml | head -n1)"
+          if [[ -z "$actual" ]]; then
+            echo "Could not parse version from Cargo.toml"
+            exit 1
+          fi
+          if [[ "$actual" != "${{ inputs.version }}" ]]; then
+            echo "Requested version ${{ inputs.version }} does not match Cargo.toml version $actual"
+            exit 1
+          fi
+      - name: Validate package
+        run: cargo package
+      - name: Run full test suite
+        run: cargo test
+      - name: Publish to crates.io
+        if: ${{ inputs.publish }}
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+        run: cargo publish --locked --token "$CARGO_REGISTRY_TOKEN"