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/Pages/Landlord/Tenant/Create.tsx

@@ -6,6 +6,7 @@ export default function TenantCreate() {
     const { data, setData, post, processing, errors } = useForm({
         id: "",
         name: "",
+        short_name: "",
         email: "",
         domain: "",
     });
@@ -55,6 +56,21 @@ export default function TenantCreate() {
                         {errors.name && <p className="mt-1 text-sm text-red-500">{errors.name}</p>}
                     </div>
 
+                    <div>
+                        <label className="block text-sm font-medium text-slate-700 mb-2">
+                            客戶簡稱
+                        </label>
+                        <input
+                            type="text"
+                            value={data.short_name}
+                            onChange={(e) => setData("short_name", e.target.value)}
+                            placeholder="例如：小冰"
+                            className="w-full px-4 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-main focus:border-primary-main"
+                        />
+                        <p className="mt-1 text-sm text-slate-500">選填</p>
+                        {errors.short_name && <p className="mt-1 text-sm text-red-500">{errors.short_name}</p>}
+                    </div>
+
                     <div>
                         <label className="block text-sm font-medium text-slate-700 mb-2">
                             聯絡信箱