fix(build): add workspaces and ts declarations

- Added 'frontend' to workspaces in root package.json to fix Vercel Next.js module resolution
- Added 'types' and 'exports' definitions to root package.json
- Fixed retrievePublicMemory argument signature in openclaw.ts
- Enabled --dts in tsup build to generate TypeScript declarations

Author: gitsofaryan

frontend/package.json

@@ -8,7 +8,7 @@
     "lint": "eslint"
   },
   "dependencies": {
-    "@arienjain/agent-db": "^1.5.0",
+    "@arienjain/agent-db": "^1.5.0^",
     "@google/generative-ai": "^0.24.1",
     "@storacha/client": "^2.1.1",
     "@ucanto/core": "^10.4.6",