feat: 全局设置系统 — settings 表、CRUD 路由、主题偏好持久化

src/web/shared/components/ConsoleShell/ConsoleShell.tsx

@@ -1,7 +1,7 @@
 import { MenuFoldOutlined, MenuUnfoldOutlined } from "@ant-design/icons";
 import { XProvider } from "@ant-design/x";
 import zhCN_X from "@ant-design/x/locale/zh_CN";
-import { App as AntApp, Layout, Segmented } from "antd";
+import { App as AntApp, Layout } from "antd";
 import zhCN from "antd/locale/zh_CN";
 import { useMemo } from "react";
 
@@ -17,14 +17,8 @@ import { ConsoleOutlet } from "./ConsoleOutlet";
 
 const { Content, Header, Sider } = Layout;
 
-const THEME_OPTIONS = [
-  { label: "系统", value: "system" },
-  { label: "明亮", value: "light" },
-  { label: "黑暗", value: "dark" },
-] as const;
-
 export function ConsoleShell({ headerExtra, menuItems, title }: ConsoleShellProps) {
-  const { effectiveTheme, preference: themePreference, setPreference: setThemePreference } = useThemePreference();
+  const { effectiveTheme } = useThemePreference();
   const { collapsed, setCollapsed } = useSidebarCollapsed();
   const { data: meta } = useMeta();
 
@@ -43,14 +37,7 @@ export function ConsoleShell({ headerExtra, menuItems, title }: ConsoleShellProp
                 <span className="app-console-title">{title}</span>
               </span>
             </div>
-            <div className="app-header-right">
-              {headerExtra}
-              <Segmented
-                onChange={(value) => setThemePreference(value)}
-                options={THEME_OPTIONS.map((option) => ({ label: option.label, value: option.value }))}
-                value={themePreference}
-              />
-            </div>
+            <div className="app-header-right">{headerExtra}</div>
           </Header>
           <Layout>
             <Sider