iOS update refresh token failure to only logout when request returns 401/403

ios/App/Shared/util/ApiClient.swift

@@ -183,6 +183,7 @@ class ApiClient {
         ]
         
         let refreshRequest = AF.request("\(serverConfig.address)/auth/refresh", method: .post, headers: refreshHeaders)
+            .validate(statusCode: 200..<300)
         
         refreshRequest.responseDecodable(of: RefreshResponse.self) { response in
             switch response.result {
@@ -190,7 +191,6 @@ class ApiClient {
                 guard let user = refreshResponse.user,
                       !user.accessToken.isEmpty else {
                     AbsLogger.error(message: "handleTokenRefresh: No access token in refresh response for server \(serverConfig.name)")
-                    handleRefreshFailure()
                     callback?(nil)
                     return
                 }
@@ -206,7 +206,8 @@ class ApiClient {
                 
             case .failure(let error):
                 AbsLogger.error(message: "handleTokenRefresh: Refresh request failed for server \(serverConfig.name): \(error)")
-                handleRefreshFailure()
+                let status = response.response?.statusCode
+                if status == 401 || status == 403 { handleRefreshFailure() }
                 callback?(nil)
             }
         }
@@ -313,12 +314,10 @@ class ApiClient {
     private static func handleRefreshFailure() {
         AbsLogger.info(message: "handleRefreshFailure: Token refresh failed, clearing session")
         
-        // Clear the current server connection
+        let configId = Store.serverConfig?.id
         Store.serverConfig = nil
-        
-        // Remove refresh token from secure storage
-        if let serverConfig = Store.serverConfig {
-            _ = secureStorage.removeRefreshToken(serverConnectionConfigId: serverConfig.id)
+        if let configId = configId {
+            _ = secureStorage.removeRefreshToken(serverConnectionConfigId: configId)
         }
         
         // Notify webview frontend about token refresh failure