Fix Dockerfile: Use npm install instead of npm ci

- package-lock.json not in repo (.gitignore)
- npm ci requires existing lock file
- npm install will generate it during build

Dockerfile

@@ -31,10 +31,10 @@ COPY composer.json ./
 RUN composer install --no-dev --optimize-autoloader --no-scripts --no-interaction
 
 # Copy package files
-COPY package.json package-lock.json* ./
+COPY package.json ./
 
-# Install Node dependencies
-RUN npm ci --legacy-peer-deps
+# Install Node dependencies (generate package-lock.json if missing)
+RUN npm install --legacy-peer-deps
 
 # Copy application files
 COPY . .