diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a7375c4..a593c22 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,12 +2,12 @@ name: CI
 
 on:
   push:
-    branches: [main, develop]
+    branches: [main, dev]
   pull_request:
-    branches: [main, develop]
+    branches: [main, dev]
 
 jobs:
-  lint-and-typecheck:
+  lint-and-build:
     runs-on: ubuntu-latest
 
     steps:
@@ -24,39 +24,10 @@ jobs:
         run: npm ci
 
       - name: Run ESLint
-        run: npm run lint -- --max-warnings 50
+        run: npm run lint
 
-      - name: Type check
-        run: npm run type-check
+      - name: Run TypeScript check
+        run: npx tsc --noEmit
 
-  build:
-    runs-on: ubuntu-latest
-    needs: lint-and-typecheck
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-          cache: 'npm'
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Build application
+      - name: Build
         run: npm run build
-        env:
-          VITE_API_URL: /api
-          VITE_TELEGRAM_BOT_USERNAME: test_bot
-          VITE_APP_NAME: Cabinet
-          VITE_APP_LOGO: V
-
-      - name: Upload build artifacts
-        uses: actions/upload-artifact@v4
-        with:
-          name: dist
-          path: dist/
-          retention-days: 7
diff --git a/src/pages/AdminBanSystem.tsx b/src/pages/AdminBanSystem.tsx
index 594834a..ec1c3d1 100644
--- a/src/pages/AdminBanSystem.tsx
+++ b/src/pages/AdminBanSystem.tsx
@@ -183,46 +183,56 @@ export default function AdminBanSystem() {
       setError(null)
 
       switch (tab) {
-        case 'dashboard':
+        case 'dashboard': {
           const statsData = await banSystemApi.getStats()
           setStats(statsData)
           break
-        case 'users':
+        }
+        case 'users': {
           const usersData = await banSystemApi.getUsers({ limit: 50 })
           setUsers(usersData)
           break
-        case 'punishments':
+        }
+        case 'punishments': {
           const punishmentsData = await banSystemApi.getPunishments()
           setPunishments(punishmentsData)
           break
-        case 'nodes':
+        }
+        case 'nodes': {
           const nodesData = await banSystemApi.getNodes()
           setNodes(nodesData)
           break
-        case 'agents':
+        }
+        case 'agents': {
           const agentsData = await banSystemApi.getAgents()
           setAgents(agentsData)
           break
-        case 'violations':
+        }
+        case 'violations': {
           const violationsData = await banSystemApi.getTrafficViolations()
           setViolations(violationsData)
           break
-        case 'settings':
+        }
+        case 'settings': {
           const settingsData = await banSystemApi.getSettings()
           setSettings(settingsData)
           break
-        case 'traffic':
+        }
+        case 'traffic': {
           const trafficData = await banSystemApi.getTraffic()
           setTraffic(trafficData)
           break
-        case 'reports':
+        }
+        case 'reports': {
           const reportData = await banSystemApi.getReport(reportHours)
           setReport(reportData)
           break
-        case 'health':
+        }
+        case 'health': {
           const healthData = await banSystemApi.getHealth()
           setHealth(healthData)
           break
+        }
       }
     } catch {
       setError(t('banSystem.loadError'))