Update release notes and deploy workspace

Backend/Common/SeasonMappings.cs

@@ -1,11 +1,19 @@
 using System.Text.Json;
+using System.Text.RegularExpressions;
 using Backend.Contracts;
 using Backend.Domain;
+using System.Net;
 
 namespace Backend.Common;
 
 public static class SeasonMappings
 {
+    private static readonly Regex HtmlBreakRegex = new(@"<\s*br\s*/?>", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+    private static readonly Regex HtmlListItemOpenRegex = new(@"<\s*li\b[^>]*>", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+    private static readonly Regex HtmlBlockCloseRegex = new(@"</\s*(p|div|li|ul|ol|h1|h2|h3|h4|h5|h6)\s*>", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+    private static readonly Regex HtmlTagRegex = new(@"<[^>]*>", RegexOptions.Compiled);
+    private static readonly Regex MultiNewlineRegex = new(@"\n{3,}", RegexOptions.Compiled);
+
     public static bool IsSeasonScheduleValid(
         DateOnly nominationStartsAt,
         DateOnly nominationEndsAt,
@@ -90,6 +98,28 @@ public static class SeasonMappings
         return string.IsNullOrWhiteSpace(trimmed) ? "https://twitch.tv/jayuhime" : trimmed;
     }
 
+    public static string NormalizePlainTextContent(string? value)
+    {
+        var trimmed = value?.Trim() ?? string.Empty;
+        if (string.IsNullOrWhiteSpace(trimmed))
+        {
+            return string.Empty;
+        }
+
+        var withBreakHints = HtmlBreakRegex.Replace(trimmed, "\n");
+        withBreakHints = HtmlListItemOpenRegex.Replace(withBreakHints, "- ");
+        withBreakHints = HtmlBlockCloseRegex.Replace(withBreakHints, "\n");
+        withBreakHints = HtmlTagRegex.Replace(withBreakHints, " ");
+        withBreakHints = WebUtility.HtmlDecode(withBreakHints).Replace("\r\n", "\n").Replace('\r', '\n');
+
+        var normalizedLines = withBreakHints
+            .Split('\n')
+            .Select(line => line.Trim())
+            .ToArray();
+
+        return MultiNewlineRegex.Replace(string.Join('\n', normalizedLines), "\n\n").Trim();
+    }
+
     public static string NormalizePhaseKey(string? currentPhase)
     {
         var value = currentPhase?.Trim().ToLowerInvariant() ?? string.Empty;
@@ -183,7 +213,7 @@ public static class SeasonMappings
     [
         new FooterLinkDto("imprint", "Impressum", settings.ImprintUrl, settings.ImprintContent),
         new FooterLinkDto("contact", "Kontakt", settings.ContactUrl, settings.ContactContent),
-        new FooterLinkDto("sponsors", "Sponsoren & Partner", settings.SponsorsUrl, settings.SponsorsContent),
+        new FooterLinkDto("sponsors", "Sponsoren & Partner", string.Empty, settings.SponsorsContent),
         new FooterLinkDto("showacts", "Showacts", settings.ShowactsUrl, settings.ShowactsContent),
     ];
 }