refactor(web-antd): 重构 Tinyflow 组件并优化类型定义

- 将 Item 类型和 Tinyflow 相关类型移动到 ui/typing 文件夹
- 删除 ui/index.d.ts 文件，减少冗余类型定义
- 优化 Tinyflow 组件代码，简化 imports
- 移除 formatTime.ts 中的冗余代码，使用 @vben/utils 中的 formatDate 函数

apps/web-antd/src/components/Tinyflow/ui/typing.ts

@@ -0,0 +1,40 @@
+import { Edge, Node as Node_2, useSvelteFlow, Viewport } from '@xyflow/svelte';
+
+export declare type Item = {
+  children?: Item[];
+  label: string;
+  value: number | string;
+};
+
+export declare class Tinyflow {
+  private _init;
+  private _setOptions;
+  private options;
+  private rootEl;
+  private svelteFlowInstance;
+  constructor(options: TinyflowOptions);
+  destroy(): void;
+  getData(): {
+    edges: Edge[];
+    nodes: Node_2[];
+    viewport: Viewport;
+  };
+  getOptions(): TinyflowOptions;
+  setData(data: TinyflowData): void;
+}
+
+export declare type TinyflowData = Partial<
+  ReturnType<ReturnType<typeof useSvelteFlow>['toObject']>
+>;
+
+export declare type TinyflowOptions = {
+  data?: TinyflowData;
+  element: Element | string;
+  provider?: {
+    internal?: () => Item[] | Promise<Item[]>;
+    knowledge?: () => Item[] | Promise<Item[]>;
+    llm?: () => Item[] | Promise<Item[]>;
+  };
+};
+
+export {};