用内置有线传输帮助页替换飞书外链。

帮助文档改为应用内 WebView 加载本地 HTML，避免依赖外部平台内容。

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan/UI/TravelAlbum/WiredCameraTransferViewController.swift

@@ -777,8 +777,14 @@ final class WiredCameraTransferViewController: BaseViewController {
     }
 
     @objc private func helpTapped() {
-        guard let url = URL(string: "https://sharesky.feishu.cn/wiki/CaAhwl3Gnin4Kqk0BVocK3SGnab?from=from_copylink") else { return }
-        UIApplication.shared.open(url)
+        guard let url = WiredCameraTransferHelpDocument.bundledURL() else {
+            showToast("帮助文档暂不可用")
+            return
+        }
+        navigationController?.pushViewController(
+            AgreementWebViewController(title: WiredCameraTransferHelpDocument.pageTitle, url: url),
+            animated: true
+        )
     }
 
     private func presentPhotoPreview(_ item: TravelAlbumOTGPhotoItem) {