feat: adopt shared TeamHUB cursor theme

frontend/src/main.tsx

@@ -1,6 +1,7 @@
 import React from "react";
 import ReactDOM from "react-dom/client";
 import { App } from "@/app/App";
+import "@teamhub/cursor-theme/cursor.css";
 import "@/styles/globals.css";
 
 ReactDOM.createRoot(document.getElementById("root")!).render(

frontend/src/styles/globals.css

@@ -100,6 +100,7 @@
   body {
     @apply bg-background text-foreground antialiased;
     font-feature-settings: "ss01", "cv11", "tnum";
+    cursor: var(--teamhub-cursor-default);
   }
   ::selection {
     @apply bg-primary/20 text-primary-foreground;
@@ -169,4 +170,10 @@
     -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
     mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
   }
+  .cursor-pointer {
+    cursor: var(--teamhub-cursor-active);
+  }
+  .cursor-not-allowed {
+    cursor: var(--teamhub-cursor-disabled);
+  }
 }