chore: Remove old Python files and update CI for Next.js

- Remove Python tests, alembic migrations, and requirements.txt
- Update CI workflow to use Node.js instead of Python
- CI now runs TypeScript check and lint before Docker build

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitea/workflows/build.yml

@@ -17,29 +17,33 @@ env:
   IMAGE_NAME: letsbe/hub
 
 jobs:
-  test:
+  lint-and-typecheck:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Set up Python
-        uses: actions/setup-python@v5
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
         with:
-          python-version: '3.11'
+          node-version: '20'
+          cache: 'npm'
 
       - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r requirements.txt
-          pip install pytest pytest-asyncio aiosqlite
+        run: npm ci
 
-      - name: Run tests
-        run: pytest -v --tb=short
+      - name: Generate Prisma client
+        run: npx prisma generate
+
+      - name: Run TypeScript check
+        run: npm run typecheck
+
+      - name: Run linter
+        run: npm run lint --if-present
 
   build:
     runs-on: ubuntu-latest
-    needs: test
+    needs: lint-and-typecheck
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4