Fix build: move store import from admin-nav to layout only

admin-nav.ts was importing from store.ts (server-only), which caused
build errors when admin-topbar.tsx (client component) pulled in admin-nav.
Now layout.tsx directly imports from store and passes enabled state to
allNavGroups().

src/lib/admin-nav.ts

@@ -18,7 +18,6 @@ import {
 	Wrench,
 } from "lucide-react";
 import { pluginRegistry } from "@/lib/plugins";
-import { getAllPluginStates } from "@/lib/plugins/store";
 import "@/lib/plugins/loader";
 
 export interface AdminHubTab {
@@ -411,15 +410,7 @@ export function allNavGroups(enabled?: Record<string, boolean>): AdminNavGroup[]
 	];
 }
 
-export async function allEnabledHubs(): Promise<AdminHubDefinition[]> {
-	const states = await getAllPluginStates();
-	return allHubs(states.enabled);
-}
 
-export async function allEnabledNavGroups(): Promise<AdminNavGroup[]> {
-	const states = await getAllPluginStates();
-	return allNavGroups(states.enabled);
-}
 
 function hubPrefixes(id: string): string[] {
 	return ADMIN_HUBS.find((h) => h.id === id)?.prefixes ?? [];