fix(iOS): connect flow — new SMB opens Files for auth, saved servers use FileManager directly. Both flows save to history.

Sources/NetworkFileBrowser.swift

@@ -422,13 +422,15 @@ struct NetworkFileBrowserIOS: View {
     }
     
     // MARK: - 连接逻辑
+    /// iOS 必须通过 Files 应用认证 SMB。新连接先打开 Files 登录，之后 FileManager 可直接浏览
     private func connectToServer(_ urlStr: String) {
         let t = urlStr.trimmingCharacters(in: .whitespaces)
         guard !t.isEmpty, let url = URL(string: t) else { return }
         
         isConnecting = true; connectError = nil; smbURL = t
         
-        DispatchQueue.global(qos: .userInitiated).async {
+        // 先尝试 FileManager 直接浏览（已认证过的共享）
+        DispatchQueue.global(qos: .userInitiated).async { [self] in
             do {
                 let contents = try FileManager.default.contentsOfDirectory(
                     at: url, includingPropertiesForKeys: [.isDirectoryKey, .fileSizeKey],
@@ -440,19 +442,19 @@ struct NetworkFileBrowserIOS: View {
                 
                 DispatchQueue.main.async {
                     self.items = fi; self.browseURL = url; self.isConnecting = false
-                    // 保存到历史
-                    if !self.savedServers.contains(t) {
-                        self.savedServers.insert(t, at: 0)
-                        UserDefaults.standard.set(self.savedServers, forKey: "MiniPlayer.smbServers")
-                    }
+                    self.addToSaved(t)
                 }
             } catch {
+                // FileManager 失败 → 需要通过 Files 认证
                 DispatchQueue.main.async {
                     self.isConnecting = false
-                    self.connectError = "Connection failed. Opening Files app..."
-                    DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
-                        UIApplication.shared.open(url) { ok in
-                            self.connectError = ok ? "Login in Files, then come back." : "Invalid URL"
+                    self.addToSaved(t) // 先保存，下次就能直接浏览了
+                    // 打开 Files 应用认证
+                    UIApplication.shared.open(url) { ok in
+                        if ok {
+                            self.connectError = "Login in Files, then tap this server again."
+                        } else {
+                            self.connectError = "Cannot open. Check URL format."
                         }
                     }
                 }
@@ -460,6 +462,13 @@ struct NetworkFileBrowserIOS: View {
         }
     }
     
+    private func addToSaved(_ url: String) {
+        if !savedServers.contains(url) {
+            savedServers.insert(url, at: 0)
+            UserDefaults.standard.set(savedServers, forKey: "MiniPlayer.smbServers")
+        }
+    }
+    
     private func goUp() {
         if pathStack.isEmpty { browseURL = nil; items = [] }
         else { let p = pathStack.removeLast(); navigateTo(p) }