feat(Admin/Company): 擴充業務類型與合約期間功能，補齊多語系翻譯詞條

app/Http/Middleware/EnsureTenantAccess.php

@@ -26,7 +26,7 @@ class EnsureTenantAccess
                 return redirect()->route('login')->with('error', __('Your account is associated with a deactivated company.'));
             }
 
-            if ($company->valid_until && $company->valid_until->isPast()) {
+            if ($company->end_date && $company->end_date->isPast()) {
                 auth()->logout();
                 return redirect()->route('login')->with('error', __('Your company contract has expired.'));
             }