CHORE(merge): merge from develop

- Initial setup and all features from develop branch
- Includes: auth, deploy, docker, style fixes
- K3S deployment configuration

.github/workflows/ci.yml

@@ -19,24 +19,25 @@ jobs:
         with:
           node-version: '20'
           cache: 'npm'
-          cache-dependency-path: services/nextjs/package-lock.json
+          cache-dependency-path: nextjs/package-lock.json
 
       - name: Install dependencies
-        working-directory: services/nextjs
+        working-directory: nextjs
         run: npm ci
 
       - name: Run ESLint
-        working-directory: services/nextjs
+        working-directory: nextjs
         run: npm run lint
 
       - name: Build Next.js application
-        working-directory: services/nextjs
+        working-directory: nextjs
         run: npm run build
         env:
           NEXT_TELEMETRY_DISABLED: 1
+          DATABASE_URL: ${{ secrets.DATABASE_URL }}
 
       - name: Check build output
-        working-directory: services/nextjs
+        working-directory: nextjs
         run: |
           if [ ! -d ".next" ]; then
             echo "Build failed: .next directory not found"