feat: 更新创建数据集功能，添加活动数据集元数据管理

src/routes/create/+page.svelte

@@ -1,12 +1,11 @@
 <script lang="ts">
 import { afterNavigate, goto } from '$app/navigation';
 import Close from '$lib/components/icons/Close.svelte';
-import { openedDatasetDir } from '$lib/stores/dataset';
+import { activeDatasetMeta, openedDatasetDir, updateActiveDatasetMeta } from '$lib/stores/dataset';
 import { currentActivate } from '$lib/stores/navigate';
 import type { DatasetMeta } from '$lib/types/meta';
-import { join } from '@tauri-apps/api/path';
 import { message, open } from '@tauri-apps/plugin-dialog';
-import { readDir, writeTextFile } from '@tauri-apps/plugin-fs';
+import { readDir } from '@tauri-apps/plugin-fs';
 import { isNil } from 'es-toolkit';
 
 afterNavigate(() => {
@@ -68,10 +67,9 @@ async function createDataset() {
     };
 
     try {
-      const metaPath = await join(storePath, 'meta.json');
-      await writeTextFile(metaPath, JSON.stringify(datasetMeta, null, 2));
-
       openedDatasetDir.set(storePath);
+      activeDatasetMeta.set(datasetMeta);
+      await updateActiveDatasetMeta(() => datasetMeta);
 
       await goto('/dataset');
     } catch (error) {