chore: scaffold monorepo and migrate uhd_web design system (W0-A)

- pnpm workspace: apps/{web,server}, packages/{contracts,db,domain,adapters,tasks,agent,testkit}
- server: Hono + zod-openapi, API Key auth with scopes, redacting pino logger, SSE event bus with replay, worker heartbeat
- db: Kysely + pg, file migrator, 0001_init (settings/api_key/audit_event/outbox_event)
- web: React Router 7 SPA console shell with 12 workspace placeholders, uhd_web tokens/ui/guard scripts
- docs: ADR-001 (Node over Deno), dev runbook, design system rules

Co-Authored-By: Claude Fable 5.1 <[email protected]>

apps/web/package.json

@@ -0,0 +1,47 @@
+{
+  "name": "@umt/web",
+  "version": "0.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "react-router dev --host 0.0.0.0 --port 5180",
+    "build": "react-router build",
+    "preview": "vite preview --host 0.0.0.0 --port 5180",
+    "typecheck": "react-router typegen && tsc",
+    "test": "vitest run",
+    "gen:tokens": "node scripts/gen-design-tokens.mjs",
+    "check:tokens": "node scripts/gen-design-tokens.mjs --check && sh scripts/check-design-tokens.sh"
+  },
+  "dependencies": {
+    "@fontsource-variable/inter-tight": "^5.2.7",
+    "@fontsource-variable/space-grotesk": "^5.2.10",
+    "@react-router/node": "7.12.0",
+    "@tanstack/react-query": "^5.90.21",
+    "@umt/contracts": "workspace:*",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "date-fns": "^4.1.0",
+    "isbot": "^5.1.31",
+    "lucide-react": "^0.576.0",
+    "next-themes": "^0.4.6",
+    "radix-ui": "^1.4.3",
+    "react": "^19.2.4",
+    "react-day-picker": "^10.0.1",
+    "react-dom": "^19.2.4",
+    "react-router": "7.12.0",
+    "sonner": "^2.0.7",
+    "tailwind-merge": "^3.5.0",
+    "zod": "^4.3.6"
+  },
+  "devDependencies": {
+    "@react-router/dev": "7.12.0",
+    "@tailwindcss/vite": "^4.1.13",
+    "@types/react": "^19.2.7",
+    "@types/react-dom": "^19.2.3",
+    "shadcn": "^3.8.5",
+    "tailwindcss": "^4.1.13",
+    "tw-animate-css": "^1.4.0",
+    "vite": "^7.1.7",
+    "vite-tsconfig-paths": "^5.1.4"
+  }
+}