fix: remove 9 unused variables across 4 files

- SnippetsSidebar.tsx: remove 3 unused err variables in catch blocks
- TunnelViewer.tsx: remove 2 unused parameters from callback
- DesktopApp.tsx: remove getCookie import and unused state variables
- HomepageAlertManager.tsx: remove 2 unused err variables in catch blocks

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

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

src/ui/Desktop/Apps/Terminal/SnippetsSidebar.tsx

@@ -60,7 +60,7 @@ export function SnippetsSidebar({
       const data = await getSnippets();
       // Defensive: ensure data is an array
       setSnippets(Array.isArray(data) ? data : []);
-    } catch (err) {
+    } catch {
       toast.error(t("snippets.failedToFetch"));
       setSnippets([]);
     } finally {
@@ -94,7 +94,7 @@ export function SnippetsSidebar({
           await deleteSnippet(snippet.id);
           toast.success(t("snippets.deleteSuccess"));
           fetchSnippets();
-        } catch (err) {
+        } catch {
           toast.error(t("snippets.deleteFailed"));
         }
       },
@@ -125,7 +125,7 @@ export function SnippetsSidebar({
       }
       setShowDialog(false);
       fetchSnippets();
-    } catch (err) {
+    } catch {
       toast.error(
         editingSnippet
           ? t("snippets.updateFailed")
@@ -155,10 +155,7 @@ export function SnippetsSidebar({
           transform: "translateZ(0)",
         }}
       >
-        <div
-          className="flex-1 cursor-pointer"
-          onClick={onClose}
-        />
+        <div className="flex-1 cursor-pointer" onClick={onClose} />
 
         <div
           className="w-[400px] h-full bg-dark-bg border-l-2 border-dark-border flex flex-col shadow-2xl relative isolate z-[999999]"

src/ui/Desktop/Apps/Tunnel/TunnelViewer.tsx

@@ -59,7 +59,7 @@ export function TunnelViewer({
               }}
               tunnelStatuses={tunnelStatuses}
               tunnelActions={tunnelActions}
-              onTunnelAction={(action, _host, _index) =>
+              onTunnelAction={(action) =>
                 onTunnelAction(action, activeHost, idx)
               }
               compact

src/ui/Desktop/DesktopApp.tsx

@@ -12,13 +12,9 @@ import { AdminSettings } from "@/ui/Desktop/Admin/AdminSettings.tsx";
 import { UserProfile } from "@/ui/Desktop/User/UserProfile.tsx";
 import { Toaster } from "@/components/ui/sonner.tsx";
 import { VersionCheckModal } from "@/components/ui/version-check-modal.tsx";
-import { getUserInfo, getCookie } from "@/ui/main-axios.ts";
+import { getUserInfo } from "@/ui/main-axios.ts";
 
 function AppContent() {
-  const [view, setView] = useState<string>("homepage");
-  const [mountedViews, setMountedViews] = useState<Set<string>>(
-    new Set(["homepage"]),
-  );
   const [isAuthenticated, setIsAuthenticated] = useState(false);
   const [username, setUsername] = useState<string | null>(null);
   const [isAdmin, setIsAdmin] = useState(false);
@@ -71,14 +67,8 @@ function AppContent() {
     localStorage.setItem("topNavbarOpen", JSON.stringify(isTopbarOpen));
   }, [isTopbarOpen]);
 
-  const handleSelectView = (nextView: string) => {
-    setMountedViews((prev) => {
-      if (prev.has(nextView)) return prev;
-      const next = new Set(prev);
-      next.add(nextView);
-      return next;
-    });
-    setView(nextView);
+  const handleSelectView = (_nextView: string) => {
+    // View switching is now handled by tabs context
   };
 
   const handleAuthSuccess = (authData: {

src/ui/Desktop/Homepage/HomepageAlertManager.tsx

@@ -52,7 +52,7 @@ export function HomepageAlertManager({
 
       setAlerts(sortedAlerts);
       setCurrentAlertIndex(0);
-    } catch (err) {
+    } catch {
       const { toast } = await import("sonner");
       toast.error(t("homepage.failedToLoadAlerts"));
       setError(t("homepage.failedToLoadAlerts"));
@@ -77,7 +77,7 @@ export function HomepageAlertManager({
           return Math.max(0, newAlertsLength - 1);
         return prevIndex;
       });
-    } catch (err) {
+    } catch {
       setError(t("homepage.failedToDismissAlert"));
     }
   };