新增登录页图形验证码功能，支持通过Redis全局配置控制验证码的启用状态，优化登录流程以提升用户体验。新增相关API接口和前端配置项，确保验证码逻辑与后端同步。

jeecgboot-vue3/src/layouts/default/setting/SettingDrawer.tsx

@@ -1,4 +1,5 @@
 import { defineComponent, computed, unref } from 'vue';
+import { usePermission } from '/@/hooks/web/usePermission';
 import { BasicDrawer } from '/@/components/Drawer/index';
 import { Divider } from 'ant-design-vue';
 import { TypePicker, ThemeColorPicker, SettingFooter, SwitchItem, SelectItem, InputNumberItem } from './components';
@@ -47,8 +48,13 @@ export default defineComponent({
       getShowDarkModeToggle,
       getThemeColor,
       getAiIconShow,
+      getLoginCaptchaEnabled,
     } = useRootSetting();
 
+    const { hasPermission } = usePermission();
+    /** 项目配置中「验证码登录」开关仅对有权限的用户展示 */
+    const showLoginCaptchaSetting = computed(() => hasPermission('system:project:setting:loginCaptcha'));
+
     const { getOpenPageLoading, getBasicTransition, getEnableTransition, getOpenNProgress } = useTransitionSetting();
 
     const {
@@ -318,6 +324,13 @@ export default defineComponent({
           <SwitchItem title={t('layout.setting.colorWeak')} event={HandlerEnum.COLOR_WEAK} def={unref(getColorWeak)} />
 
            <SwitchItem title={t('layout.setting.aiIconSHow')} event={HandlerEnum.AI_ICON_SHOW} def={unref(getAiIconShow)} />
+          {unref(showLoginCaptchaSetting) && (
+            <SwitchItem
+              title={t('layout.setting.loginCaptcha')}
+              event={HandlerEnum.LOGIN_CAPTCHA_ENABLED}
+              def={unref(getLoginCaptchaEnabled)}
+            />
+          )}
         </>
       );
     }