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

app/Http/Controllers/Landlord/TenantController.php

@@ -19,6 +19,7 @@ class TenantController extends Controller
             return [
                 'id' => $tenant->id,
                 'name' => $tenant->name ?? $tenant->id,
+                'short_name' => $tenant->short_name ?? null,
                 'email' => $tenant->email ?? null,
                 'is_active' => $tenant->is_active ?? true,
                 'created_at' => $tenant->created_at->format('Y-m-d H:i'),
@@ -47,6 +48,7 @@ class TenantController extends Controller
         $validated = $request->validate([
             'id' => ['required', 'string', 'max:50', 'alpha_dash', Rule::unique('tenants', 'id')],
             'name' => ['required', 'string', 'max:100'],
+            'short_name' => ['nullable', 'string', 'max:50'],
             'email' => ['nullable', 'email', 'max:100'],
             'domain' => ['nullable', 'string', 'max:100'],
         ]);
@@ -54,6 +56,7 @@ class TenantController extends Controller
         $tenant = Tenant::create([
             'id' => $validated['id'],
             'name' => $validated['name'],
+            'short_name' => $validated['short_name'] ?? null,
             'email' => $validated['email'] ?? null,
             'is_active' => true,
             'branding' => [
@@ -85,6 +88,7 @@ class TenantController extends Controller
             'tenant' => [
                 'id' => $tenant->id,
                 'name' => $tenant->name ?? $tenant->id,
+                'short_name' => $tenant->short_name ?? null,
                 'email' => $tenant->email ?? null,
                 'is_active' => $tenant->is_active ?? true,
                 'created_at' => $tenant->created_at->format('Y-m-d H:i'),
@@ -128,6 +132,7 @@ class TenantController extends Controller
             'tenant' => [
                 'id' => $tenant->id,
                 'name' => $tenant->name ?? $tenant->id,
+                'short_name' => $tenant->short_name ?? null,
                 'email' => $tenant->email ?? null,
                 'is_active' => $tenant->is_active ?? true,
             ],
@@ -143,6 +148,7 @@ class TenantController extends Controller
 
         $validated = $request->validate([
             'name' => ['required', 'string', 'max:100'],
+            'short_name' => ['nullable', 'string', 'max:50'],
             'email' => ['nullable', 'email', 'max:100'],
             'is_active' => ['boolean'],
         ]);