feat(FN-4100): refactor ci workflows to use reusable setup-node-pnpm compos

Refactors GitHub Actions workflow setup into a reusable composite action, consolidating repeated setup logic across CI, mobile, release, test-release, and version workflows (176 lines removed). Adds corresponding tests for the workflow configuration.

Fusion-Task-Id: FN-4100

.github/actions/setup-node-pnpm/action.yml

@@ -9,6 +9,14 @@ inputs:
     description: Arguments passed to pnpm install
     required: false
     default: "--frozen-lockfile"
+  registry-url:
+    description: Optional npm registry URL passed to actions/setup-node
+    required: false
+    default: ""
+  skip-install:
+    description: Set to 'true' to skip the pnpm install step; caller runs install themselves
+    required: false
+    default: "false"
 runs:
   using: composite
   steps:
@@ -20,7 +28,9 @@ runs:
       with:
         node-version: ${{ inputs.node-version }}
         cache: pnpm
+        registry-url: ${{ inputs.registry-url }}
 
     - name: Install dependencies
+      if: ${{ inputs.skip-install != 'true' }}
       shell: bash
       run: pnpm install ${{ inputs.install-args }}

.github/workflows/ci.yml

@@ -10,20 +10,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v5
-        with:
-          node-version: "24"
-          cache: pnpm
-
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
+      - name: Setup Node and install dependencies
+        uses: ./.github/actions/setup-node-pnpm
 
       - name: Lint
         run: pnpm lint
@@ -37,20 +25,8 @@ jobs:
         shard: [1, 2, 3]
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v5
-        with:
-          node-version: "24"
-          cache: pnpm
-
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
+      - name: Setup Node and install dependencies
+        uses: ./.github/actions/setup-node-pnpm
 
       - name: Install Bun
         uses: oven-sh/setup-bun@v2
@@ -64,20 +40,8 @@ jobs:
     needs: [lint, test-shards]
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v5
-        with:
-          node-version: "24"
-          cache: pnpm
-
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
+      - name: Setup Node and install dependencies
+        uses: ./.github/actions/setup-node-pnpm
 
       - name: Build workspace
         run: pnpm build

.github/workflows/mobile.yml

@@ -10,32 +10,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          node-version: "24"
-
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          node-version: "24"
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v5
-        with:
-          node-version: "24"
-          cache: pnpm
-
-      - name: Cache pnpm store
-        uses: actions/cache@v4
-        with:
-          path: ~/.pnpm-store
-          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('pnpm-lock.yaml') }}
-          restore-keys: |
-            ${{ runner.os }}-pnpm-store-
-
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
+      - name: Setup Node and install dependencies
+        uses: ./.github/actions/setup-node-pnpm
 
       - name: Build dashboard client
         run: pnpm --filter @fusion/dashboard build
@@ -53,29 +29,8 @@ jobs:
     needs: build-web
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          node-version: "24"
-
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          node-version: "24"
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v5
-        with:
-          node-version: "24"
-          cache: pnpm
-
-      - name: Cache pnpm store
-        uses: actions/cache@v4
-        with:
-          path: ~/.pnpm-store
-          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('pnpm-lock.yaml') }}
-          restore-keys: |
-            ${{ runner.os }}-pnpm-store-
+      - name: Setup Node and install dependencies
+        uses: ./.github/actions/setup-node-pnpm
 
       - name: Cache iOS DerivedData
         uses: actions/cache@v4
@@ -85,9 +40,6 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-derived-data-
 
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
-
       - name: Download dashboard artifact
         uses: actions/download-artifact@v4
         with:
@@ -147,21 +99,8 @@ jobs:
     needs: build-web
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          node-version: "24"
-
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          node-version: "24"
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v5
-        with:
-          node-version: "24"
-          cache: pnpm
+      - name: Setup Node and install dependencies
+        uses: ./.github/actions/setup-node-pnpm
 
       - name: Setup Java 17
         uses: actions/setup-java@v4
@@ -169,14 +108,6 @@ jobs:
           distribution: temurin
           java-version: "17"
 
-      - name: Cache pnpm store
-        uses: actions/cache@v4
-        with:
-          path: ~/.pnpm-store
-          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('pnpm-lock.yaml') }}
-          restore-keys: |
-            ${{ runner.os }}-pnpm-store-
-
       - name: Cache Android Gradle caches
         uses: actions/cache@v4
         with:
@@ -185,9 +116,6 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-gradle-
 
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
-
       - name: Download dashboard artifact
         uses: actions/download-artifact@v4
         with:

.github/workflows/release.yml

@@ -40,28 +40,14 @@ jobs:
             binary: fn-windows-x64.exe
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - name: Setup Node and install dependencies
+        uses: ./.github/actions/setup-node-pnpm
         with:
-          node-version: "24"
-
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          node-version: "24"
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v5
-        with:
-          node-version: "24"
-          cache: pnpm
+          install-args: ""
 
       - name: Install Bun
         uses: oven-sh/setup-bun@v2
 
-      - name: Install dependencies
-        run: pnpm install
-
       - name: Build
         run: pnpm build
 

.github/workflows/test-release.yml

@@ -31,28 +31,12 @@ jobs:
             binary: fn-windows-x64.exe
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          node-version: "24"
-
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          node-version: "24"
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v5
-        with:
-          node-version: "24"
-          cache: pnpm
+      - name: Setup Node and install dependencies
+        uses: ./.github/actions/setup-node-pnpm
 
       - name: Install Bun
         uses: oven-sh/setup-bun@v2
 
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
-
       - name: Build
         run: pnpm build
 

.github/workflows/version.yml

@@ -20,22 +20,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - name: Setup Node and pnpm
+        uses: ./.github/actions/setup-node-pnpm
         with:
-          node-version: "24"
-
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          node-version: "24"
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v5
-        with:
-          node-version: "24"
-          cache: pnpm
           registry-url: "https://registry.npmjs.org"
+          skip-install: "true"
 
       - name: Ensure modern npm (OIDC support)
         run: npm install -g npm@11.6.4