Review and optimize GitHub Actions workflows

.github/actions/setup-flutter-app/action.yml

@@ -0,0 +1,45 @@
+name: 'Setup Flutter App'
+description: 'Set up Flutter with dependencies, caching, and optional code generation'
+inputs:
+  google-services-json:
+    description: 'Firebase google-services.json content'
+    required: true
+  generate-mocks:
+    description: 'Whether to run build_runner for mock generation'
+    required: false
+    default: 'false'
+  flutter-version:
+    description: 'Flutter version to use'
+    required: false
+    default: '3.38.3'
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Setup Flutter
+      uses: subosito/flutter-action@v2
+      with:
+        flutter-version: ${{ inputs.flutter-version }}
+        channel: 'stable'
+        cache: true
+
+    - name: Cache Flutter pub dependencies
+      uses: actions/cache@v4
+      with:
+        path: ~/.pub-cache
+        key: ${{ runner.os }}-pub-${{ hashFiles('**/pubspec.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-pub-
+
+    - name: Create Firebase google-services.json
+      shell: bash
+      run: echo '${{ inputs.google-services-json }}' > android/app/google-services.json
+
+    - name: Get dependencies
+      shell: bash
+      run: flutter pub get
+
+    - name: Generate mocks
+      if: inputs.generate-mocks == 'true'
+      shell: bash
+      run: dart run build_runner build --delete-conflicting-outputs

.github/copilot-instructions.md

@@ -456,12 +456,12 @@ The app has three deployment environments:
 2. **Staging** (`staging.cambeerfestival.app`)
    - Deployed automatically on push to `main`
    - Cloudflare Pages, branch `main`
-   - Workflow: `.github/workflows/build-deploy.yml`
+   - Workflow: `.github/workflows/ci.yml`
 
 3. **PR Previews**
    - Unique URL per pull request
    - Preview URL posted as comment on PR
-   - Workflow: `.github/workflows/build-deploy.yml`
+   - Workflow: `.github/workflows/ci.yml`
 
 ### Deployment Workflow
 

.github/workflows/build-deploy.yml → .github/workflows/ci.yml

@@ -1,4 +1,4 @@
-name: Flutter App CI/CD
+name: CI
 
 on:
   push:
@@ -55,21 +55,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup Flutter
-        uses: subosito/flutter-action@v2
+      - name: Setup Flutter App
+        uses: ./.github/actions/setup-flutter-app
         with:
-          flutter-version: '3.38.3'
-          channel: 'stable'
-          cache: true
-
-      - name: Create Firebase google-services.json
-        run: echo '${{ secrets.GOOGLE_SERVICES_JSON }}' > android/app/google-services.json
-
-      - name: Get dependencies
-        run: flutter pub get
-
-      - name: Generate mocks
-        run: dart run build_runner build --delete-conflicting-outputs
+          google-services-json: ${{ secrets.GOOGLE_SERVICES_JSON }}
+          generate-mocks: 'true'
 
       - name: Analyze code
         run: flutter analyze --no-fatal-infos
@@ -106,24 +96,14 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup Flutter
-        uses: subosito/flutter-action@v2
+      - name: Setup Flutter App
+        uses: ./.github/actions/setup-flutter-app
         with:
-          flutter-version: '3.38.3'
-          channel: 'stable'
-          cache: true
-
-      - name: Create Firebase google-services.json
-        run: echo '${{ secrets.GOOGLE_SERVICES_JSON }}' > android/app/google-services.json
-
-      - name: Get dependencies
-        run: flutter pub get
+          google-services-json: ${{ secrets.GOOGLE_SERVICES_JSON }}
 
       - name: Get git version info
         id: git_version
-        run: |
-          chmod +x scripts/get_version_info.sh
-          scripts/get_version_info.sh github >> $GITHUB_OUTPUT
+        run: scripts/get_version_info.sh github >> $GITHUB_OUTPUT
 
       - name: Build web
         run: |
@@ -151,7 +131,8 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '21'
+          node-version: '20'
+          cache: 'npm'
 
       - name: Download web build artifact
         uses: actions/download-artifact@v4
@@ -160,7 +141,7 @@ jobs:
           path: build/web
 
       - name: Install npm dependencies
-        run: npm install
+        run: npm ci
 
       - name: Install Playwright browsers
         run: npx playwright install --with-deps chromium
@@ -221,24 +202,14 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-gradle-
 
-      - name: Setup Flutter
-        uses: subosito/flutter-action@v2
+      - name: Setup Flutter App
+        uses: ./.github/actions/setup-flutter-app
         with:
-          flutter-version: '3.38.3'
-          channel: 'stable'
-          cache: true
-
-      - name: Create Firebase google-services.json
-        run: echo '${{ secrets.GOOGLE_SERVICES_JSON }}' > android/app/google-services.json
-
-      - name: Get dependencies
-        run: flutter pub get
+          google-services-json: ${{ secrets.GOOGLE_SERVICES_JSON }}
 
       - name: Get git version info
         id: git_version
-        run: |
-          chmod +x scripts/get_version_info.sh
-          scripts/get_version_info.sh github >> $GITHUB_OUTPUT
+        run: scripts/get_version_info.sh github >> $GITHUB_OUTPUT
 
       - name: Build debug APK
         run: |

.github/workflows/cloudflare-worker.yml → .github/workflows/deploy-worker.yml

@@ -1,4 +1,4 @@
-name: Cloudflare Worker
+name: Deploy Worker
 
 on:
   push:
@@ -83,6 +83,8 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '20'
+          cache: 'npm'
+          cache-dependency-path: cloudflare-worker/package-lock.json
 
       - name: Install worker dependencies
         working-directory: cloudflare-worker
@@ -116,6 +118,8 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '20'
+          cache: 'npm'
+          cache-dependency-path: '**/package-lock.json'
 
       - name: Validate festivals.json
         if: |