ci: specify node 20.19.x and add npm debug log dump

Author: EhsanCreator

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        node-version: ['20.x', '22.x']
+        node-version: ['20.19.x', '22.x']
 
     steps:
       - name: Checkout Repository
@@ -26,9 +26,25 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
 
+      - name: Verify Environment
+        run: |
+          node -v
+          npm -v
+
       - name: Install Dependencies
         run: npm install --no-audit
 
+      - name: Debug npm Failure
+        if: failure()
+        shell: bash
+        run: |
+          echo "=== NPM DEBUG LOGS ==="
+          for dir in "$HOME" "$APPDATA" "$LOCALAPPDATA" "/home/runner" "C:/Users"; do
+            if [ -d "$dir" ]; then
+              find "$dir" -name "*debug*.log" -exec cat {} + 2>/dev/null || true
+            fi
+          done
+
       - name: Build Frontend Application
         run: npm run build:frontend