Feature: Tenant Short Name and Branding Implementation

- Added short_name to Tenant model and controller
- Updated Landlord/Tenant pages (Create, Edit, Show, Index)
- Implemented branding customization (Favicon, Login Copyright, Sidebar Title)
- Updated HandleInertiaRequests to share branding data

resources/js/Layouts/AuthenticatedLayout.tsx

@@ -454,7 +454,7 @@ export default function AuthenticatedLayout({
                     </button>
                     <Link href="/" className="flex items-center gap-2">
                         <ApplicationLogo className="w-8 h-8 rounded-lg object-contain" />
-                        <span className="font-bold text-slate-900">小小冰室 ERP</span>
+                        <span className="font-bold text-slate-900">{branding?.short_name || '小小冰室'} ERP</span>
                     </Link>
                 </div>
 
@@ -510,7 +510,7 @@ export default function AuthenticatedLayout({
                     {!isCollapsed && (
                         <Link href="/" className="flex items-center gap-2 group">
                             <ApplicationLogo className="w-8 h-8 rounded-lg object-contain group-hover:scale-110 transition-transform" />
-                            <span className="font-extrabold text-primary-main text-lg tracking-tight">小小冰室 ERP</span>
+                            <span className="font-extrabold text-primary-main text-lg tracking-tight">{branding?.short_name || '小小冰室'} ERP</span>
                         </Link>
                     )}
                     {isCollapsed && (
@@ -559,7 +559,7 @@ export default function AuthenticatedLayout({
                 <div className="h-16 flex items-center justify-between px-6 border-b border-slate-100">
                     <Link href="/" className="flex items-center gap-2">
                         <ApplicationLogo className="w-8 h-8 rounded-lg object-contain" />
-                        <span className="font-extrabold text-primary-main text-lg">小小冰室 ERP</span>
+                        <span className="font-extrabold text-primary-main text-lg">{branding?.short_name || '小小冰室'} ERP</span>
                     </Link>
                     <button onClick={() => setIsMobileOpen(false)} className="p-2 text-slate-400">
                         <X className="h-5 w-5" />
@@ -588,7 +588,7 @@ export default function AuthenticatedLayout({
                     {children}
                 </div>
                 <footer className="mt-auto py-6 text-center text-sm text-slate-400">
-                    Copyright &copy; {new Date().getFullYear()} 小小冰室. All rights reserved. Design by 星科技
+                    Copyright &copy; {new Date().getFullYear()} {branding?.name || '小小冰室'}. All rights reserved. Design by 星科技
                 </footer>
                 <Toaster richColors closeButton position="top-center" />
             </main>