feat: complete tRPC integration and fix platform UI issues

- Implement comprehensive tRPC setup with type-safe API
- Create tRPC routers for dashboard, admin, and auth endpoints
- Migrate frontend components to use tRPC client
- Fix platform dashboard Settings button functionality
- Add platform settings page with profile and security management
- Create OpenAI API mocking infrastructure for cost-safe testing
- Update tests to work with new tRPC architecture
- Sync database schema to fix AIBatchRequest table errors

package.json

@@ -52,7 +52,12 @@
     "@radix-ui/react-toggle-group": "^1.1.10",
     "@radix-ui/react-tooltip": "^1.2.7",
     "@rapideditor/country-coder": "^5.4.0",
+    "@tanstack/react-query": "^5.81.5",
     "@tanstack/react-table": "^8.21.3",
+    "@trpc/client": "^11.4.3",
+    "@trpc/next": "^11.4.3",
+    "@trpc/react-query": "^11.4.3",
+    "@trpc/server": "^11.4.3",
     "@types/canvas-confetti": "^1.9.0",
     "@types/d3": "^7.4.3",
     "@types/d3-cloud": "^1.2.9",
@@ -88,6 +93,7 @@
     "recharts": "^3.0.2",
     "rehype-raw": "^7.0.0",
     "sonner": "^2.0.5",
+    "superjson": "^2.2.2",
     "tailwind-merge": "^3.3.1",
     "vaul": "^1.1.2",
     "zod": "^3.25.67"
@@ -98,6 +104,7 @@
     "@next/eslint-plugin-next": "^15.3.4",
     "@playwright/test": "^1.53.1",
     "@tailwindcss/postcss": "^4.1.11",
+    "@tanstack/react-query-devtools": "^5.81.5",
     "@testing-library/dom": "^10.4.0",
     "@testing-library/jest-dom": "^6.6.3",
     "@testing-library/react": "^16.3.0",