feat: simplify error handling in login and registration pages, add install prompt component, and update favicon and icons

thoughts-frontend/app/(auth)/login/page.tsx

@@ -42,7 +42,7 @@ export default function LoginPage() {
       const { token } = await loginUser(values);
       setToken(token);
       router.push("/"); // Redirect to homepage on successful login
-    } catch (err) {
+    } catch {
       setError("Invalid username or password.");
     }
   }

thoughts-frontend/app/(auth)/register/page.tsx

@@ -40,7 +40,7 @@ export default function RegisterPage() {
       await registerUser(values);
       // You can automatically log the user in here or just redirect them
       router.push("/login");
-    } catch (err) {
+    } catch {
       setError("Username or email may already be taken.");
     }
   }

thoughts-frontend/app/layout.tsx

@@ -4,6 +4,7 @@ import { AuthProvider } from "@/hooks/use-auth";
 import { Toaster } from "@/components/ui/sonner";
 import { Header } from "@/components/header";
 import localFont from "next/font/local";
+import InstallPrompt from "@/components/install-prompt";
 
 export const metadata: Metadata = {
   title: "Thoughts",
@@ -37,6 +38,7 @@ export default function RootLayout({
         <AuthProvider>
           <Header />
           <main className="flex-1">{children}</main>
+          <InstallPrompt />
           <Toaster />
         </AuthProvider>
       </body>

thoughts-frontend/app/manifest.ts

@@ -0,0 +1,25 @@
+import type { MetadataRoute } from 'next'
+ 
+export default function manifest(): MetadataRoute.Manifest {
+  return {
+    name: 'Thoughts',
+    short_name: 'Thoughts',
+    description: 'A social network for sharing thoughts',
+    start_url: '/',
+    display: 'standalone',
+    background_color: '#ffffff',
+    theme_color: '#000000',
+    icons: [
+      {
+        src: '/icon-192x192.webp',
+        sizes: '192x192',
+        type: 'image/webp',
+      },
+      {
+        src: '/icon.avif',
+        sizes: '512x512',
+        type: 'image/avif',
+      },
+    ],
+  }
+}

thoughts-frontend/app/page.tsx

@@ -14,6 +14,7 @@ import { PopularTags } from "@/components/popular-tags";
 import { ThoughtThread } from "@/components/thought-thread";
 import { buildThoughtThreads } from "@/lib/utils";
 import { TopFriends } from "@/components/top-friends";
+import InstallPrompt from "@/components/install-prompt";
 
 export default async function Home() {
   const token = (await cookies()).get("auth_token")?.value ?? null;
@@ -101,6 +102,7 @@ async function FeedPage({ token }: { token: string }) {
 
 function LandingPage() {
   return (
+    <>
       <div className="font-sans min-h-screen text-gray-800 flex items-center justify-center">
         <div className="container mx-auto max-w-2xl p-4 sm:p-6 text-center glass-effect glossy-effect bottom rounded-md shadow-fa-lg">
           <h1
@@ -122,5 +124,6 @@ function LandingPage() {
           </div>
         </div>
       </div>
+    </>
   );
 }

thoughts-frontend/components/follow-button.tsx

@@ -36,7 +36,7 @@ export function FollowButton({
       setIsFollowing(!isFollowing);
       await action(username, token);
       router.refresh(); // Re-fetch server component data to get the latest follower count etc.
-    } catch (err) {
+    } catch {
       // Revert on error
       setIsFollowing(isFollowing);
       toast.error(`Failed to ${isFollowing ? "unfollow" : "follow"} user.`);

thoughts-frontend/components/install-prompt.tsx

@@ -0,0 +1,107 @@
+"use client";
+
+import React, { useEffect, useState } from "react";
+import { Button } from "@/components/ui/button";
+import { Download } from "lucide-react";
+import {
+  Card,
+  CardHeader,
+  CardTitle,
+  CardDescription,
+  CardContent,
+  CardAction,
+} from "@/components/ui/card";
+
+interface CustomWindow extends Window {
+  MSStream?: unknown;
+}
+
+interface BeforeInstallPromptEvent extends Event {
+  prompt: () => void;
+  userChoice: Promise<{ outcome: "accepted" | "dismissed"; platform: string }>;
+}
+
+export default function InstallPrompt() {
+  const [isIOS, setIsIOS] = useState(false);
+  const [isStandalone, setIsStandalone] = useState(false);
+  const [deferredPrompt, setDeferredPrompt] =
+    useState<BeforeInstallPromptEvent | null>(null);
+
+  useEffect(() => {
+    // Cast window to our custom type instead of 'any'
+    const customWindow = window as CustomWindow;
+    setIsIOS(
+      /iPad|iPhone|iPod/.test(navigator.userAgent) && !customWindow.MSStream
+    );
+    setIsStandalone(window.matchMedia("(display-mode: standalone)").matches);
+
+    const handleBeforeInstallPrompt = (e: Event) => {
+      e.preventDefault();
+      setDeferredPrompt(e as BeforeInstallPromptEvent);
+    };
+
+    window.addEventListener("beforeinstallprompt", handleBeforeInstallPrompt);
+
+    return () => {
+      window.removeEventListener(
+        "beforeinstallprompt",
+        handleBeforeInstallPrompt
+      );
+    };
+  }, []);
+
+  const handleInstallClick = async () => {
+    if (!deferredPrompt) return;
+    deferredPrompt.prompt();
+    const { outcome } = await deferredPrompt.userChoice;
+    if (outcome === "accepted") {
+      console.log("User accepted the install prompt");
+    } else {
+      console.log("User dismissed the install prompt");
+    }
+    setDeferredPrompt(null);
+  };
+
+  if (isStandalone || (!isIOS && !deferredPrompt)) {
+    return null;
+  }
+
+  return (
+    <div className="fixed bottom-0 z-50">
+      <Card className="w-full max-w-sm glass-effect glossy-effect bottom shadow-fa-lg">
+        <CardHeader>
+          <CardTitle>Install Thoughts</CardTitle>
+          <CardDescription>
+            Get the full app experience on your device.
+          </CardDescription>
+          <CardAction>
+            <Button
+              size="sm"
+              variant="ghost"
+              className="absolute top-2 right-2"
+              onClick={() => setIsStandalone(true)}
+            >
+              &times;
+            </Button>
+          </CardAction>
+        </CardHeader>
+        <CardContent>
+          {!isIOS && deferredPrompt && (
+            <Button className="w-full" onClick={handleInstallClick}>
+              <Download className="mr-2 h-4 w-4" />
+              Add to Home Screen
+            </Button>
+          )}
+          {isIOS && (
+            <p className="text-sm text-muted-foreground">
+              To install, tap the Share icon
+              <span className="mx-1 text-lg">⎋</span>
+              and then &quot;Add to Home Screen&quot;
+              <span className="mx-1 text-lg">➕</span>.
+            </p>
+          )}
+        </CardContent>
+      </Card>
+    </div>
+  );
+}

thoughts-frontend/components/ui/button.tsx

@@ -17,7 +17,7 @@ const buttonVariants = cva(
           "glass-effect fa-gradient-green text-secondary-foreground shadow-fa-md hover:bg-secondary/90 active:shadow-fa-inner transition-transform active:scale-[0.98] glossy-effect",
         // Ghost and Link should be more subtle
         ghost:
-          "glass-effect hover:bg-accent hover:text-accent-foreground rounded-lg", // Keep them simple, maybe a slight blur/gloss on hover
+          "glass-effect hover:bg-accent hover:text-accent-foreground rounded-lg",
         link: "text-primary underline-offset-4 hover:underline",
         // Outline button for a transparent-ish, glassy feel
         outline: