Expand Link app with analytics, settings, and custom domains.

Add Bitly-style branded domain support via Ladill Domains SSL API,
account analytics dashboard, settings page with default domain picker,
and fix SSO/dashboard issues from QR Plus template leftovers.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Http/Controllers/Public/LinkRedirectController.php

@@ -4,28 +4,28 @@ namespace App\Http\Controllers\Public;
 
 use App\Http\Controllers\Controller;
 use App\Services\Link\LinkManagerService;
+use App\Services\Link\LinkPlatformProxy;
+use App\Support\LadillLink;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
-use Illuminate\View\View;
+use Symfony\Component\HttpFoundation\Response;
 
 class LinkRedirectController extends Controller
 {
     public function __construct(
         private LinkManagerService $links,
+        private LinkPlatformProxy $platform,
     ) {}
 
-    public function resolve(Request $request, string $slug): RedirectResponse|View
+    public function resolve(Request $request, string $slug, ?string $path = null): RedirectResponse|Response
     {
-        $link = $this->links->resolve($request, $slug);
-
-        if ($link !== null) {
-            return redirect()->away($link->destination_url, 302);
+        if ($path === null || $path === '') {
+            $link = $this->links->resolve($request, $slug);
+            if ($link !== null) {
+                return redirect()->away($link->destination_url, 302);
+            }
         }
 
-        // Legacy QR / storefront codes still resolve on ladill.com/q/*
-        $legacy = rtrim((string) config('app.platform_url', 'https://ladill.com'), '/').'/q/'.$slug;
-        $qs = $request->getQueryString();
-
-        return redirect()->away($legacy.($qs ? '?'.$qs : ''), 302);
+        return $this->platform->forward($request, $slug, $path);
     }
 }