feat: 添加重置邀请码验证状态功能，并在退出登录时调用

src/services/apiClient.ts

@@ -368,3 +368,25 @@ export async function checkInvitationStatus(): Promise<InvitationStatusResponse>
     method: "GET",
   });
 }
+
+/**
+ * 重置邀请码验证状态（退出登录时调用）
+ * POST /api/invitation/reset
+ */
+export async function resetInvitationVerification(): Promise<{ code: number; msg: string }> {
+  console.log("[API] 重置邀请码验证状态");
+  try {
+    const response = await request<{ code: number; msg: string }>(
+      "/api/invitation/reset",
+      {
+        method: "POST",
+      },
+    );
+    console.log("[API] 重置邀请码验证状态 - 响应:", JSON.stringify(response));
+    return response;
+  } catch (error) {
+    console.warn("[API] 重置邀请码验证状态 - 错误:", error);
+    // 即使失败也不影响退出登录流程
+    throw error;
+  }
+}

src/services/icCoderAuthProvider.ts

@@ -4,6 +4,7 @@ import * as path from "path";
 import * as fs from "fs";
 import { onTokenReceived, type UserInfo, clearUserInfo } from "./userService";
 import { getConfig } from "../config/settings";
+import { resetInvitationVerification } from "./apiClient";
 
 /**
  * IC Coder Authentication Provider
@@ -142,13 +143,24 @@ export class ICCoderAuthenticationProvider
     const sessionIndex = this._sessions.findIndex((s) => s.id === sessionId);
     if (sessionIndex > -1) {
       const session = this._sessions[sessionIndex];
+
+      // 1. 先调用后端重置邀请码验证状态
+      try {
+        await resetInvitationVerification();
+        console.log("[AuthProvider] 邀请码验证状态已重置");
+      } catch (error) {
+        console.warn("[AuthProvider] 重置邀请码验证状态失败，但继续退出流程:", error);
+        // 即使失败也继续退出流程
+      }
+
+      // 2. 清除本地 session
       this._sessions.splice(sessionIndex, 1);
       await this.saveSessions();
 
-      // 清除用户信息缓存
+      // 3. 清除用户信息缓存
       await clearUserInfo();
 
-      // 触发会话变化事件
+      // 4. 触发会话变化事件
       this._onDidChangeSessions.fire({
         added: [],
         removed: [session],