feat: harden portfolio and add SEO foundations

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: CI
+
+"on":
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  verify:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v6
+      - uses: actions/setup-node@v6
+        with:
+          node-version: 22
+          cache: pnpm
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm lint
+      - run: pnpm typecheck
+      - run: pnpm test -- --runInBand
+      - run: pnpm build
+      - run: pnpm audit --prod --audit-level=high
+      - run: pnpm audit --dev --audit-level=high