refactor: 确立独立子工程架构 (backend, admin, mpuniapp) 并同步更新 AGENTS.md 规范

admin/src/declaration.d.ts

@@ -0,0 +1,27 @@
+declare module '*.svg' {
+  const content: React.FunctionComponent<React.SVGAttributes<SVGElement>>;
+  export default content;
+}
+
+declare module '*.less' {
+  const classes: { [className: string]: string };
+  export default classes;
+}
+
+declare module '*/settings.json' {
+  const value: {
+    colorWeek: boolean;
+    navbar: boolean;
+    menu: boolean;
+    footer: boolean;
+    themeColor: string;
+    menuWidth: number;
+  };
+
+  export default value;
+}
+
+declare module '*.png' {
+  const value: string;
+  export default value;
+}