chore: initialize repository with deployment baseline

.github/workflows/ci.yml

@@ -0,0 +1,99 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - "**"
+  pull_request:
+
+jobs:
+  frontend:
+    name: Frontend Build + Lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+
+      - name: Install frontend dependencies
+        run: npm ci
+
+      - name: Lint frontend
+        run: npm run lint
+
+      - name: Build frontend
+        run: npm run build
+
+  backend:
+    name: Backend Build + Test + Prisma Checks
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:16-alpine
+        env:
+          POSTGRES_USER: proxpanel
+          POSTGRES_PASSWORD: proxpanel
+          POSTGRES_DB: proxpanel
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd "pg_isready -U proxpanel -d proxpanel"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+    env:
+      DATABASE_URL: postgresql://proxpanel:proxpanel@localhost:5432/proxpanel?schema=public
+      SHADOW_DATABASE_URL: postgresql://proxpanel:proxpanel@localhost:5432/proxpanel_shadow?schema=public
+      JWT_SECRET: ci_super_secret_key_for_testing_12345
+      JWT_REFRESH_SECRET: ci_super_refresh_secret_key_67890
+      CORS_ORIGIN: http://localhost:5173
+      NODE_ENV: test
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+          cache-dependency-path: backend/package-lock.json
+
+      - name: Install backend dependencies
+        working-directory: backend
+        run: npm ci
+
+      - name: Prepare shadow database
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y postgresql-client
+          PGPASSWORD=proxpanel psql -h localhost -U proxpanel -d proxpanel -c 'CREATE DATABASE proxpanel_shadow;'
+
+      - name: Prisma generate
+        working-directory: backend
+        run: npm run prisma:generate
+
+      - name: Prisma validate
+        working-directory: backend
+        run: npm run prisma:validate
+
+      - name: Prisma migrate deploy
+        working-directory: backend
+        run: npm run prisma:deploy
+
+      - name: Prisma migration drift check
+        working-directory: backend
+        run: npx prisma migrate diff --from-migrations prisma/migrations --to-schema-datamodel prisma/schema.prisma --shadow-database-url "$SHADOW_DATABASE_URL" --exit-code
+
+      - name: Build backend
+        working-directory: backend
+        run: npm run build
+
+      - name: Run backend tests
+        working-directory: backend
+        run: npm run test