Add per-platform disclaimer to descriptions

src/ModelPublisher.Core/Models/ReleaseManifest.cs

@@ -38,10 +38,28 @@ public string ResolveFilePath(string relativePath)
         return Path.GetFullPath(Path.Combine(ManifestDirectory, relativePath));
     }
 
+    /// <summary>
+    /// Returns the description with the platform's disclaimer appended, formatted for the platform
+    /// (markdown if supported, plain text otherwise).
+    /// </summary>
     public string GetDescription(IPlatformPublisher publisher)
-        => publisher.SupportsMarkdown
-            ? Description
-            : MarkdownHelper.ToPlainText(Description);
+    {
+        var markdown = AppendDisclaimer(Description, publisher.Disclaimer);
+        return publisher.SupportsMarkdown ? markdown : MarkdownHelper.ToPlainText(markdown);
+    }
+
+    /// <summary>
+    /// Returns the description with the platform's disclaimer appended, always as markdown.
+    /// Use this when the caller handles its own format conversion (e.g. TipTap HTML injection).
+    /// </summary>
+    public string GetDescriptionMarkdown(IPlatformPublisher publisher)
+        => AppendDisclaimer(Description, publisher.Disclaimer);
+
+    private static string AppendDisclaimer(string description, string disclaimer)
+    {
+        if (string.IsNullOrWhiteSpace(disclaimer)) return description;
+        return $"{description}\n\n---\n\n{disclaimer}";
+    }
 }
 
 public class ManifestFiles

src/ModelPublisher.Core/Platforms/Cults3DPublisher.cs

@@ -22,6 +22,8 @@ public class Cults3DPublisher : IPlatformPublisher
     public bool IsFreeOnly => true;
     public bool SupportsMarkdown => true;
 
+    public string Disclaimer => "";
+
     public async Task<PublishResult> PublishFreeAsync(ReleaseManifest manifest, IPage page, CancellationToken ct = default)
     {
         try

src/ModelPublisher.Core/Platforms/IPlatformPublisher.cs

@@ -17,6 +17,12 @@ public interface IPlatformPublisher
 
     bool SupportsMarkdown => false;
 
+    /// <summary>
+    /// Platform-specific disclaimer appended to the bottom of every description (markdown format).
+    /// Return empty string to omit.
+    /// </summary>
+    string Disclaimer => "";
+
     Task<PublishResult> PublishFreeAsync(ReleaseManifest manifest, IPage page, CancellationToken ct = default);
 
     Task<PublishResult> PublishPremiumAsync(ReleaseManifest manifest, IPage page, CancellationToken ct = default);

src/ModelPublisher.Core/Platforms/MakerOnlinePublisher.cs

@@ -21,6 +21,8 @@ public class MakerOnlinePublisher : IPlatformPublisher
     public bool IsFreeOnly => true;
     public bool SupportsMarkdown => true;
 
+    public string Disclaimer => "";
+
     public async Task<PublishResult> PublishFreeAsync(ReleaseManifest manifest, IPage page, CancellationToken ct = default)
     {
         try

src/ModelPublisher.Core/Platforms/MakerWorldPublisher.cs

@@ -21,6 +21,8 @@ public class MakerWorldPublisher : IPlatformPublisher
     public bool IsFreeOnly => true;
     public bool SupportsMarkdown => true;
 
+    public string Disclaimer => "";
+
     public async Task<PublishResult> PublishFreeAsync(ReleaseManifest manifest, IPage page, CancellationToken ct = default)
     {
         try

src/ModelPublisher.Core/Platforms/PatreonPublisher.cs

@@ -32,6 +32,8 @@ public class PatreonPublisher : IPlatformPublisher
     public bool IsFreeOnly => true; // Patreon posts aren't free, but we do not have both free and premium tiers
     public bool SupportsMarkdown => false;
 
+    public string Disclaimer => "";
+
     public async Task<PublishResult> PublishFreeAsync(ReleaseManifest manifest, IPage page, CancellationToken ct = default)
     {
         try

src/ModelPublisher.Core/Platforms/PrintablesPublisher.cs

@@ -16,6 +16,8 @@ public class PrintablesPublisher : IPlatformPublisher
     public bool IsFreeOnly => false;
     public bool SupportsMarkdown => false;
 
+    public string Disclaimer => "";
+
     public async Task<PublishResult> PublishFreeAsync(ReleaseManifest manifest, IPage page,
         CancellationToken ct = default)
     {
@@ -93,7 +95,7 @@ await page
                 .CheckAsync();
 
             // Step 8: Description — inject HTML directly into TipTap's ProseMirror div
-            var descHtml = MarkdownHelper.ToTipTapHtml(manifest.Description);
+            var descHtml = MarkdownHelper.ToTipTapHtml(manifest.GetDescriptionMarkdown(this));
             var descEditor = page.Locator("section")
                 .Filter(new() { HasText = "Description" })
                 .GetByRole(AriaRole.Textbox);

src/ModelPublisher.Core/Platforms/ThangsPublisher.cs

@@ -20,6 +20,8 @@ public class ThangsPublisher : IPlatformPublisher
 
     public bool IsFreeOnly => false;
     public bool SupportsMarkdown => true;
+
+    public string Disclaimer => "";
 
     public async Task<PublishResult> PublishFreeAsync(ReleaseManifest manifest, IPage page, CancellationToken ct = default)
     {