Moved all extension methods into extension blocks (#1155)

app/MindWork AI Studio/Tools/PowerPoint/LayoutPurposeExtensions.cs

@@ -16,66 +16,63 @@ internal static partial class LayoutPurposeExtensions
     /// </summary>
     public static string NoPreference => TB("No preference (the LLM decides)");
 
-    /// <summary>
-    /// The area the forms list a kind of slide in.
-    /// </summary>
     /// <param name="purpose">The kind of slide.</param>
-    public static LayoutPurposeArea Area(this LayoutPurpose purpose) => Describe(purpose).Area;
-
-    /// <summary>
-    /// The short name of the choice, e.g., "Layout for chapters".
-    /// </summary>
-    /// <param name="purpose">The kind of slide.</param>
-    public static string Label(this LayoutPurpose purpose) => Describe(purpose).Label;
-
-    /// <summary>
-    /// The question the choice answers, which says which slides it applies to.
-    /// </summary>
-    /// <param name="purpose">The kind of slide.</param>
-    public static string Question(this LayoutPurpose purpose) => Describe(purpose).Question;
-
-    /// <summary>
-    /// Describes the slides of this kind for the model, so that it knows which of its slides a choice applies to.
-    /// </summary>
-    /// <param name="purpose">The kind of slide.</param>
-    /// <returns>The description, e.g., "timelines, e.g., the course of a project".</returns>
-    public static string PromptDescription(this LayoutPurpose purpose) => Describe(purpose).PromptDescription;
-
-    /// <summary>
-    /// Whether choosing a layout for this kind of slide also puts such a slide into the presentation.
-    /// </summary>
-    /// <remarks>
-    /// For most kinds, a choice says only which layout such a slide uses, and whether the
-    /// presentation has one follows from its content. The slides which frame a presentation are
-    /// different: whoever chooses a layout for the table of contents or the imprint expects them.
-    /// </remarks>
-    /// <param name="purpose">The kind of slide.</param>
-    public static bool ChoiceAddsSlide(this LayoutPurpose purpose) => purpose.PromptPlacement() is not null;
-
-    /// <summary>
-    /// Where a slide goes which a choice puts into the presentation, and what it holds, for the model.
-    /// </summary>
-    /// <param name="purpose">The kind of slide.</param>
-    /// <returns>The rule, or null when a choice adds no slide of this kind.</returns>
-    public static string? PromptPlacement(this LayoutPurpose purpose) => purpose switch
+    extension(LayoutPurpose purpose)
     {
-        LayoutPurpose.TABLE_OF_CONTENTS => "right after the title slide",
-        LayoutPurpose.Q_AND_A => "near the end, before the closing slide; where the occasion suits it, e.g., in a lecture or a workshop, also at the end of chapters, then naming the topic of the chapter",
-        LayoutPurpose.ACKNOWLEDGEMENTS => "near the end; where thanks concern a single chapter, also at the end of that chapter",
-        LayoutPurpose.REFERENCES => "near the end; it lists only the sources the content names, or else the attached documents, and never a source of your own",
-        LayoutPurpose.CLOSING => "at the end, before an appendix and the imprint",
-        LayoutPurpose.IMPRINT => "as the very last slide; it holds only what the request, the content, or the profile state, e.g., the title, the authors, the organization, and today's date, and it leaves a slot empty rather than inventing anything",
+        /// <summary>
+        /// The area the forms list a kind of slide in.
+        /// </summary>
+        public LayoutPurposeArea Area() => Describe(purpose).Area;
 
-        _ => null,
-    };
+        /// <summary>
+        /// The short name of the choice, e.g., "Layout for chapters".
+        /// </summary>
+        public string Label() => Describe(purpose).Label;
 
-    /// <summary>
-    /// The help below the choice: its question, and whether a choice adds such a slide.
-    /// </summary>
-    /// <param name="purpose">The kind of slide.</param>
-    public static string Help(this LayoutPurpose purpose) => purpose.ChoiceAddsSlide()
-        ? $"{purpose.Question()} {TB("Choosing a layout also adds such a slide to the presentation.")}"
-        : purpose.Question();
+        /// <summary>
+        /// The question the choice answers, which says which slides it applies to.
+        /// </summary>
+        public string Question() => Describe(purpose).Question;
+
+        /// <summary>
+        /// Describes the slides of this kind for the model, so that it knows which of its slides a choice applies to.
+        /// </summary>
+        /// <returns>The description, e.g., "timelines, e.g., the course of a project".</returns>
+        public string PromptDescription() => Describe(purpose).PromptDescription;
+
+        /// <summary>
+        /// Whether choosing a layout for this kind of slide also puts such a slide into the presentation.
+        /// </summary>
+        /// <remarks>
+        /// For most kinds, a choice says only which layout such a slide uses, and whether the
+        /// presentation has one follows from its content. The slides which frame a presentation are
+        /// different: whoever chooses a layout for the table of contents or the imprint expects them.
+        /// </remarks>
+        public bool ChoiceAddsSlide() => purpose.PromptPlacement() is not null;
+
+        /// <summary>
+        /// Where a slide goes which a choice puts into the presentation, and what it holds, for the model.
+        /// </summary>
+        /// <returns>The rule, or null when a choice adds no slide of this kind.</returns>
+        public string? PromptPlacement() => purpose switch
+        {
+            LayoutPurpose.TABLE_OF_CONTENTS => "right after the title slide",
+            LayoutPurpose.Q_AND_A => "near the end, before the closing slide; where the occasion suits it, e.g., in a lecture or a workshop, also at the end of chapters, then naming the topic of the chapter",
+            LayoutPurpose.ACKNOWLEDGEMENTS => "near the end; where thanks concern a single chapter, also at the end of that chapter",
+            LayoutPurpose.REFERENCES => "near the end; it lists only the sources the content names, or else the attached documents, and never a source of your own",
+            LayoutPurpose.CLOSING => "at the end, before an appendix and the imprint",
+            LayoutPurpose.IMPRINT => "as the very last slide; it holds only what the request, the content, or the profile state, e.g., the title, the authors, the organization, and today's date, and it leaves a slot empty rather than inventing anything",
+
+            _ => null,
+        };
+
+        /// <summary>
+        /// The help below the choice: its question, and whether a choice adds such a slide.
+        /// </summary>
+        public string Help() => purpose.ChoiceAddsSlide()
+            ? $"{purpose.Question()} {TB("Choosing a layout also adds such a slide to the presentation.")}"
+            : purpose.Question();
+    }
 
     private static LayoutPurposeInfo Describe(LayoutPurpose purpose) =>
         DescribeFraming(purpose)