fix(deploy): configure pnpm allowBuilds and add Cloudflare deployment setup

.github/workflows/ci.yml

@@ -0,0 +1,68 @@
+name: CI
+
+# Typecheck / test / build on every push & PR; deploy the SPA to Cloudflare
+# Workers (static assets) on pushes to main.
+#
+# Required GitHub config (Settings → Secrets and variables → Actions):
+#   Variable  VITE_API_BASE_URL     — Laravel API base URL baked into the build
+#   Secret    CLOUDFLARE_API_TOKEN  — token with "Edit Cloudflare Workers" scope
+#   Secret    CLOUDFLARE_ACCOUNT_ID — Cloudflare account id
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  check:
+    name: Typecheck, test & build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm run generate-routes
+      - run: pnpm run typecheck
+      - run: pnpm test
+      - run: pnpm run build
+        env:
+          VITE_API_BASE_URL: ${{ vars.VITE_API_BASE_URL }}
+
+  deploy:
+    name: Deploy to Cloudflare Workers
+    needs: check
+    if: github.ref == 'refs/heads/main'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm run generate-routes
+      # cf:build runs `vite build` then copies the TanStack Start SPA shell
+      # (_shell.html) to index.html so Cloudflare's single-page-application
+      # fallback (wrangler.jsonc) returns it for every client route.
+      - name: Build SPA
+        run: pnpm run cf:build
+        env:
+          VITE_API_BASE_URL: ${{ vars.VITE_API_BASE_URL }}
+      - name: Deploy
+        uses: cloudflare/wrangler-action@v3
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}