Store calculation history on server with bazi input and chart snapshots.

Co-authored-by: Cursor <cursoragent@cursor.com>

middleware.ts

@@ -13,7 +13,8 @@ export async function middleware(request: NextRequest) {
   const { pathname } = request.nextUrl;
   const needsAuth =
     PROTECTED_PREFIXES.some((p) => pathname === p || pathname.startsWith(`${p}/`)) ||
-    pathname.startsWith("/api/ai");
+    pathname.startsWith("/api/ai") ||
+    pathname.startsWith("/api/history");
 
   if (!needsAuth) {
     return NextResponse.next();
@@ -34,5 +35,13 @@ export async function middleware(request: NextRequest) {
 }
 
 export const config = {
-  matcher: ["/liuyao/:path*", "/bazi/:path*", "/combined/:path*", "/history/:path*", "/api/ai"],
+  matcher: [
+    "/liuyao/:path*",
+    "/bazi/:path*",
+    "/combined/:path*",
+    "/history/:path*",
+    "/api/ai",
+    "/api/history",
+    "/api/history/:path*",
+  ],
 };