using System; using System.Net; using System.Security.Cryptography; using System.Text; namespace FrameworkSL.Endpoints.Action { ///

Small shared helpers for the /Action/Conversation* endpoints — deliberately /// separate from ActionExecuteEndpoint's own private HtmlPage/ComputeHash (same shape, /// but kept independent so this new, unverified code path can't affect the already /// live-tested NeedsInput=0 / static-remarks-form endpoints).

internal static class ActionHtmlHelpers { public static string ErrorPage(string title, string message) { return $@" {WebUtility.HtmlEncode(title)}

✗ {WebUtility.HtmlEncode(title)}

{WebUtility.HtmlEncode(message)}

GoodBooks ERP — Action Confirmation

"; } public static string ComputeHash(string token) { var bytes = SHA256.HashData(Encoding.UTF8.GetBytes(token)); return Convert.ToHexString(bytes).ToLowerInvariant(); } } }