feat: 全新智能体功能

- 基于先进智能体框架，增加智能体编排功能
- 增加智能体聊天，并对接持久化

easyflow-ui-admin/packages/tinyflow-ui/src/Tinyflow.ts

@@ -1,6 +1,7 @@
-import type { useSvelteFlow } from '@xyflow/svelte';
-import { componentName } from './consts';
-import type { TinyflowData, TinyflowOptions, TinyflowTheme } from './types';
+import type {useSvelteFlow} from '@xyflow/svelte';
+import {componentName} from './consts';
+import {store} from './store/stores.svelte';
+import type {TinyflowData, TinyflowOptions, TinyflowTheme} from './types';
 
 type FlowInstance = ReturnType<typeof useSvelteFlow>;
 
@@ -93,6 +94,37 @@ export class Tinyflow {
     return flow.toObject();
   }
 
+  updateData(data: TinyflowData, options?: { preserveViewport?: boolean }) {
+    const flow = this._getFlowInstance();
+    if (!flow) {
+      return false;
+    }
+
+    const currentViewport = flow.getViewport();
+    const currentNodes = flow.getNodes();
+    const currentNodePositions = new Map(
+      currentNodes.map((node) => [node.id, node.position]),
+    );
+    const nextNodes =
+      options?.preserveViewport === true
+        ? (data.nodes || currentNodes).map((node) => {
+            const currentPosition = currentNodePositions.get(node.id);
+            return currentPosition
+              ? { ...node, position: { ...currentPosition } }
+              : node;
+          })
+        : data.nodes || currentNodes;
+    store.setNodes(nextNodes);
+    store.setEdges(data.edges || flow.getEdges());
+
+    if (data.viewport && options?.preserveViewport !== true) {
+      flow.setViewport(data.viewport, { duration: 0 });
+    } else {
+      flow.setViewport(currentViewport, { duration: 0 });
+    }
+    return true;
+  }
+
   async focusNode(
     nodeId: string,
     options?: { duration?: number; zoom?: number },