fix: remove 10 unused variables and imports across 4 navigation files

- Homepage.tsx: remove unused username state variable
- AppView.tsx: remove 3 unused Lucide icon imports
- TopNavbar.tsx: remove 4 unused Accordion component imports
- LeftSidebar.tsx: remove 2 unused variables (err, jwt)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/ui/Desktop/Homepage/Homepage.tsx

@@ -25,7 +25,7 @@ export function Homepage({
 }: HomepageProps): React.ReactElement {
   const [loggedIn, setLoggedIn] = useState(isAuthenticated);
   const [, setIsAdmin] = useState(false);
-  const [username, setUsername] = useState<string | null>(null);
+  const [, setUsername] = useState<string | null>(null);
   const [userId, setUserId] = useState<string | null>(null);
   const [dbError, setDbError] = useState<string | null>(null);
 

src/ui/Desktop/Navigation/AppView.tsx

@@ -10,12 +10,7 @@ import {
 } from "@/components/ui/resizable.tsx";
 import * as ResizablePrimitive from "react-resizable-panels";
 import { useSidebar } from "@/components/ui/sidebar.tsx";
-import {
-  LucideRefreshCcw,
-  LucideRefreshCw,
-  RefreshCcw,
-  RefreshCcwDot,
-} from "lucide-react";
+import { RefreshCcw } from "lucide-react";
 import { Button } from "@/components/ui/button.tsx";
 
 interface TabData {

src/ui/Desktop/Navigation/LeftSidebar.tsx

@@ -212,7 +212,7 @@ export function LeftSidebar({
           });
         }, 50);
       }
-    } catch (err: unknown) {
+    } catch {
       setHostsError(t("leftSidebar.failedToLoadHosts"));
     }
   }, [updateHostConfig]);
@@ -320,7 +320,6 @@ export function LeftSidebar({
       return;
     }
 
-    const jwt = getCookie("jwt");
     try {
       await deleteAccount(deletePassword);
 

src/ui/Desktop/Navigation/TopNavbar.tsx

@@ -4,12 +4,6 @@ import { Button } from "@/components/ui/button.tsx";
 import { ChevronDown, ChevronUpIcon, Hammer, FileText } from "lucide-react";
 import { Tab } from "@/ui/Desktop/Navigation/Tabs/Tab.tsx";
 import { useTabs } from "@/ui/Desktop/Navigation/Tabs/TabContext.tsx";
-import {
-  Accordion,
-  AccordionContent,
-  AccordionItem,
-  AccordionTrigger,
-} from "@/components/ui/accordion.tsx";
 import { Input } from "@/components/ui/input.tsx";
 import { Checkbox } from "@/components/ui/checkbox.tsx";
 import { Separator } from "@/components/ui/separator.tsx";