Add React UI with Vite

Dashboard, agents, goals, issues, and projects pages with sidebar
navigation. API client layer, custom hooks, and shared layout
components. Built with Vite and TypeScript.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

ui/package.json

@@ -0,0 +1,28 @@
+{
+  "name": "@paperclip/ui",
+  "version": "0.0.1",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "preview": "vite preview",
+    "typecheck": "tsc -b"
+  },
+  "dependencies": {
+    "@paperclip/shared": "workspace:*",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
+    "react-router-dom": "^7.1.5"
+  },
+  "devDependencies": {
+    "@tailwindcss/vite": "^4.0.7",
+    "@types/react": "^19.0.8",
+    "@types/react-dom": "^19.0.3",
+    "@vitejs/plugin-react": "^4.3.4",
+    "tailwindcss": "^4.0.7",
+    "typescript": "^5.7.3",
+    "vite": "^6.1.0",
+    "vitest": "^3.0.5"
+  }
+}