Sharpened the data source warnings and tightened the selection popovers (#971)

app/MindWork AI Studio/Components/PreviewBeta.razor.cs

@@ -7,5 +7,16 @@ public partial class PreviewBeta : MSGComponentBase
     [Parameter]
     public bool ApplyInnerScrollingFix { get; set; }
     
+    /// <summary>
+    /// Additional class names for the chip itself, separated by space.
+    /// </summary>
+    /// <remarks>
+    /// The default is the margin every caller relied on before this parameter existed, because the
+    /// chip usually sits on a line of its own above a heading. A header which puts it beside the
+    /// heading instead passes an empty value.
+    /// </remarks>
+    [Parameter]
+    public string ChipClass { get; set; } = "mb-3";
+    
     private string Classes => this.ApplyInnerScrollingFix ? "InnerScrollingFix" : string.Empty;
 }