fix: resolve CI workflow and file structure issues

.gitea/workflows/ci.yml

@@ -1,5 +1,3 @@
-name: CI
-
 on:
   push:
     branches: [main]
@@ -11,9 +9,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+
       - uses: actions/setup-node@v4
         with:
           node-version: '20'
-      - run: npm ci
-      - run: npm run build
-      - run: npx tsc --noEmit
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build
+
+      - name: Run tests
+        run: npm test