feat(cv): expand builder studio tools

JobTrackerApi.Tests/CvBuilderTests.cs

@@ -296,6 +296,28 @@ public sealed class CvBuilderTests
         Assert.Contains(".page{width:auto;min-height:0;margin:0;}", html);
     }
 
+    [Fact]
+    public void Section_presentation_is_normalized_and_shared_by_preview_and_pdf_renderer()
+    {
+        var settings = CvVariantSettingsJson.Normalize(new CvVariantSettings
+        {
+            ThemeId = "modern",
+            Sections =
+            {
+                new CvSectionSetting { Key = "experience", Presentation = "grid", Columns = 2 },
+                new CvSectionSetting { Key = "skills", Presentation = "bubble", Columns = 99 },
+            },
+        });
+        var model = CvVariantResolver.Build(Rich(), settings, "F", null);
+        var html = new ThemedCvRenderer().Render(model, CvThemeCatalog.Resolve("modern"), settings).Html;
+
+        Assert.Equal(2, settings.Sections[0].Columns);
+        Assert.Null(settings.Sections[1].Columns);
+        Assert.Contains("section-experience section-presentation-grid", html);
+        Assert.Contains("--cv-section-columns:2", html);
+        Assert.Contains("section-skills section-presentation-bubble", html);
+    }
+
     [Fact]
     public void Norwegian_variant_localizes_default_labels_dates_and_keeps_custom_links_clickable()
     {