Add Turso/Vercel deployment configuration

- Updated database connection to support Turso auth token
- Added vercel.json with bun build configuration
- Updated environment schema for production deployment
- Added new features and components for production readiness

src/trpc/query-client.ts

@@ -1,11 +1,47 @@
 import {
   defaultShouldDehydrateQuery,
   QueryClient,
+  QueryCache,
+  MutationCache,
 } from "@tanstack/react-query";
+import { TRPCClientError } from "@trpc/client";
+import { toast } from "sonner";
 import SuperJSON from "superjson";
 
 export const createQueryClient = () =>
   new QueryClient({
+    queryCache: new QueryCache({
+      onError: (error) => {
+        if (
+          error instanceof TRPCClientError &&
+          error.data &&
+          typeof error.data === "object" &&
+          "code" in error.data &&
+          (error.data as { code: string }).code === "UNAUTHORIZED"
+        ) {
+          toast.error("Please sign in to continue");
+          if (typeof window !== "undefined") {
+            window.location.href = "/auth/signin";
+          }
+        }
+      },
+    }),
+    mutationCache: new MutationCache({
+      onError: (error) => {
+        if (
+          error instanceof TRPCClientError &&
+          error.data &&
+          typeof error.data === "object" &&
+          "code" in error.data &&
+          (error.data as { code: string }).code === "UNAUTHORIZED"
+        ) {
+          toast.error("Please sign in to continue");
+          if (typeof window !== "undefined") {
+            window.location.href = "/auth/signin";
+          }
+        }
+      },
+    }),
     defaultOptions: {
       queries: {
         // With SSR, we usually want to set some default staleTime