chore: scaffold Astro 5 project with token/style layer

- Astro 5 static config (trailing-slash canonical, i18n en-root/no-prefixed)
- Tailwind 4 over CSS custom-property tokens (both themes via [data-theme])
- design tokens: colour/spacing/type/radius/motion per Phase 1 specs
- motion layer with reduced-motion overrides
- strict TypeScript, ESLint flat config, Prettier
- self-hosted variable fonts (Space Grotesk / Inter / JetBrains Mono)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

site/package.json

@@ -0,0 +1,44 @@
+{
+  "name": "resumesite",
+  "type": "module",
+  "version": "0.1.0",
+  "private": true,
+  "description": "Connor Babbington — bilingual portfolio (Astro static site)",
+  "engines": {
+    "node": ">=22"
+  },
+  "packageManager": "pnpm@9.15.9",
+  "scripts": {
+    "dev": "astro dev",
+    "build": "astro build",
+    "preview": "astro preview",
+    "check": "astro check && tsc --noEmit",
+    "lint": "eslint . && prettier --check .",
+    "format": "prettier --write .",
+    "test": "vitest run",
+    "test:watch": "vitest"
+  },
+  "dependencies": {
+    "@fontsource-variable/inter": "^5.1.1",
+    "@fontsource-variable/jetbrains-mono": "^5.1.2",
+    "@fontsource-variable/space-grotesk": "^5.1.1",
+    "@resvg/resvg-js": "^2.6.2",
+    "astro": "^5.2.5",
+    "satori": "^0.12.1",
+    "sharp": "^0.33.5"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.20.0",
+    "@tailwindcss/vite": "^4.0.6",
+    "@types/node": "^22.13.1",
+    "eslint": "^9.20.1",
+    "eslint-plugin-astro": "^1.3.1",
+    "typescript-eslint": "^8.24.0",
+    "prettier": "^3.5.1",
+    "prettier-plugin-astro": "^0.14.1",
+    "prettier-plugin-tailwindcss": "^0.6.11",
+    "tailwindcss": "^4.0.6",
+    "typescript": "^5.7.3",
+    "vitest": "^3.0.5"
+  }
+}