添加隐私，注销功能

keyBoard/Class/Me/VM/KBMyVM.m

@@ -457,18 +457,67 @@ NSString * const KBUserCharacterDeletedNotification = @"KBUserCharacterDeletedNo
 
         NSString *message = jsonOrData[KBMessage] ?: KBLocalized(@"Success");
         [KBHUD showSuccess:message];
-
-        // 本地会话退出
-        [[KBUserSessionManager shared] logout];
-
-        // 回到登录 / 主界面
-        dispatch_async(dispatch_get_main_queue(), ^{
-            id<UIApplicationDelegate> appDelegate = UIApplication.sharedApplication.delegate;
-            if ([appDelegate respondsToSelector:@selector(toMainTabbarVC)]) {
-                AppDelegate *delegate = (AppDelegate *)appDelegate;
-                [delegate toMainTabbarVC];
-            }
-        });
+        [self kb_clearLoginInfoAndRouteHome];
     }];
 }
+
+- (void)cancelAccountWithCompletion:(KBCancelAccountCompletion)completion {
+    [KBHUD show];
+    [[KBNetworkManager shared] POST:API_USER_CANCEL_ACCOUNT
+                           jsonBody:nil
+                            headers:nil
+               autoShowBusinessError:NO
+                          completion:^(NSDictionary *jsonOrData, NSURLResponse * _Nullable response, NSError * _Nullable error) {
+        [KBHUD dismiss];
+
+        if (error) {
+            NSString *msg = KBBizMessageFromJSONObject(jsonOrData) ?: error.localizedDescription ?: KBLocalized(@"Network error");
+            [KBHUD showInfo:msg];
+            if (completion) {
+                completion(NO, error);
+            }
+            return;
+        }
+
+        NSString *message = jsonOrData[KBMessage] ?: KBLocalized(@"Success");
+        [KBHUD showSuccess:message];
+
+        [self kb_clearLoginInfoAndRouteHome];
+        if (completion) {
+            completion(YES, nil);
+        }
+    }];
+}
+
+#pragma mark - Private
+
+/// 清理本地登录态及关联缓存，并回到首页。
+- (void)kb_clearLoginInfoAndRouteHome {
+    [[KBUserSessionManager shared] logout];
+
+    NSUserDefaults *sharedDefaults = [[NSUserDefaults alloc] initWithSuiteName:AppGroup];
+    NSArray<NSString *> *sharedKeys = @[
+        AppGroup_MyKbJson,
+        AppGroup_UserAvatarURL,
+        AppGroup_SubscriptionPrefillPayload,
+        AppGroup_ChatUpdatedCompanionId,
+        @"AppGroup_SelectedPersona"
+    ];
+    for (NSString *key in sharedKeys) {
+        [sharedDefaults removeObjectForKey:key];
+    }
+    [sharedDefaults synchronize];
+
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    [defaults removeObjectForKey:@"KBAISelectedPersonaId"];
+    [defaults synchronize];
+
+    dispatch_async(dispatch_get_main_queue(), ^{
+        id<UIApplicationDelegate> appDelegate = UIApplication.sharedApplication.delegate;
+        if ([appDelegate respondsToSelector:@selector(toMainTabbarVC)]) {
+            AppDelegate *delegate = (AppDelegate *)appDelegate;
+            [delegate toMainTabbarVC];
+        }
+    });
+}
 @end