Use system Node.js instead of downloading in workflows

Replace actions/setup-node with simple version checks to avoid "Text file busy" errors on self-hosted runners. This assumes Node.js is already installed on the runner.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.forgejo/workflows/ci.yml

@@ -16,10 +16,9 @@ jobs:
         uses: actions/checkout@v4
         
       - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-          cache: 'npm'
+        run: |
+          node --version
+          npm --version
           
       - name: Install dependencies
         run: npm ci
@@ -36,10 +35,9 @@ jobs:
         uses: actions/checkout@v4
         
       - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-          cache: 'npm'
+        run: |
+          node --version
+          npm --version
           
       - name: Install dependencies
         run: npm ci
@@ -59,11 +57,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
         
-      - name: Setup Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
-        with:
-          node-version: ${{ matrix.node-version }}
-          cache: 'npm'
+      - name: Setup Node.js
+        run: |
+          node --version
+          npm --version
           
       - name: Install dependencies
         run: npm ci
@@ -87,10 +84,9 @@ jobs:
         uses: actions/checkout@v4
         
       - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-          cache: 'npm'
+        run: |
+          node --version
+          npm --version
           
       - name: Install dependencies
         run: npm ci
@@ -128,10 +124,9 @@ jobs:
         uses: actions/checkout@v4
         
       - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-          cache: 'npm'
+        run: |
+          node --version
+          npm --version
           
       - name: Install dependencies
         run: npm ci
@@ -160,9 +155,9 @@ jobs:
         uses: actions/checkout@v4
         
       - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
+        run: |
+          node --version
+          npm --version
           
       - name: Validate JSON files
         run: |

.forgejo/workflows/code-quality.yml

@@ -16,10 +16,9 @@ jobs:
           fetch-depth: 0  # Full history for better analysis
           
       - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-          cache: 'npm'
+        run: |
+          node --version
+          npm --version
           
       - name: Install dependencies
         run: npm ci

.forgejo/workflows/dependency-review.yml

@@ -16,10 +16,9 @@ jobs:
         uses: actions/checkout@v4
         
       - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-          cache: 'npm'
+        run: |
+          node --version
+          npm --version
           
       - name: Check for major version changes
         run: |

.forgejo/workflows/release.yml

@@ -17,10 +17,9 @@ jobs:
           fetch-depth: 0
           
       - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-          cache: 'npm'
+        run: |
+          node --version
+          npm --version
           
       - name: Install dependencies
         run: npm ci