feat: 实现文档集持久化存储

- 在 extension.ts 中初始化 contextHelper
   - 在 ICHelperPanel.ts 中加载已保存的文档集
   - 在 contextHelper.ts 中实现持久化逻辑
     - 使用 globalState 存储文档集数据
     - 保存和删除时自动持久化

src/extension.ts

@@ -11,10 +11,13 @@ import { isTokenExpired } from "./utils/jwtUtils";
 import { NotificationService } from "./services/notificationService";
 import { InvitationService } from "./services/invitationService";
 import { ICCoderCodeActionProvider } from "./providers/codeActionProvider";
+import { initializeContextHelper } from "./panels/helpers/contextHelper";
 
 export async function activate(context: vscode.ExtensionContext) {
   console.log("🎉 IC Coder 插件已激活！");
 
+  initializeContextHelper(context);
+
   // 创建装饰类型（代码旁边的提示）
   const decorationType = vscode.window.createTextEditorDecorationType({
     after: {

src/panels/ICHelperPanel.ts

@@ -13,6 +13,7 @@ import {
   setupBalanceUpdateCallback,
 } from "./helpers/userInfoHelper";
 import { handleWebviewMessage } from "./helpers/messageRouter";
+import { getDocumentSets } from "./helpers/contextHelper";
 
 function getIconUris(
   webview: vscode.Webview,
@@ -123,6 +124,13 @@ export async function showICHelperPanel(
   await sendUserInfoToWebview(panel, context);
   setupBalanceUpdateCallback(panel, context);
 
+  setTimeout(() => {
+    panel.webview.postMessage({
+      command: "documentSetSaved",
+      documentSets: getDocumentSets(),
+    });
+  }, 500);
+
   const pendingMessage = context.globalState.get("pendingMessage") as any;
   if (pendingMessage) {
     await context.globalState.update("pendingMessage", undefined);

src/panels/helpers/contextHelper.ts

@@ -6,6 +6,13 @@
  */
 import * as vscode from "vscode";
 
+let globalContext: vscode.ExtensionContext;
+
+export function initializeContextHelper(context: vscode.ExtensionContext) {
+  globalContext = context;
+  loadDocumentSets();
+}
+
 export async function handleAddContextFile(panel: vscode.WebviewPanel) {
   const workspaceFolder = vscode.workspace.workspaceFolders?.[0];
   if (!workspaceFolder) {
@@ -154,6 +161,7 @@ export function saveDocumentSet(
     updatedAt: new Date().toISOString(),
   };
   documentSets.push(newDocSet);
+  persistDocumentSets();
   panel.webview.postMessage({
     command: "documentSetSaved",
     documentSets: documentSets,
@@ -167,12 +175,24 @@ let documentSets: Array<{
   updatedAt: string;
 }> = [];
 
+function loadDocumentSets() {
+  const saved = globalContext.globalState.get<typeof documentSets>("documentSets");
+  if (saved) {
+    documentSets = saved;
+  }
+}
+
+function persistDocumentSets() {
+  globalContext.globalState.update("documentSets", documentSets);
+}
+
 export function getDocumentSets() {
   return documentSets;
 }
 
 export function deleteDocumentSet(id: string, panel: vscode.WebviewPanel) {
   documentSets = documentSets.filter(ds => ds.id !== id);
+  persistDocumentSets();
   panel.webview.postMessage({
     command: "documentSetSaved",
     documentSets: documentSets,