feat(ui): add workspace customization and simplify navigation

app/(dashboard)/layout.tsx

@@ -1,14 +1,18 @@
 import { DashboardShell } from "@/components/layout/dashboard-shell";
+import { domainActorFromSession } from "@/server/auth/domain-actor";
 import { requireFreelancer } from "@/server/auth/session";
 import { getPublicBranding } from "@/server/branding/runtime";
+import { getUserPreferences } from "@/server/settings/preferences";
 
 export default async function DashboardLayout({
   children,
 }: Readonly<{
   children: React.ReactNode;
 }>) {
-  const { user, profile } = await requireFreelancer();
+  const context = await requireFreelancer();
+  const { user, profile } = context;
   const branding = getPublicBranding();
+  const preferences = getUserPreferences(domainActorFromSession(context));
   const displayName = profile.displayName || user.name || user.email.split("@")[0] || "Neta Kullanıcısı";
 
   const shortName =
@@ -28,6 +32,7 @@ export default async function DashboardLayout({
         lightLogoUrl: branding.lightLogoUrl,
         darkLogoUrl: branding.darkLogoUrl,
       }}
+      colorMode={preferences.colorMode}
       user={{
         email: user.email,
         displayName,