Hide unused helper marks on selection cards and modal section labels until tooltip behavior ships.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/unit/Selection.test.jsx

@@ -54,6 +54,24 @@ describe("Selection Component", () => {
     expect(card).toHaveClass("flex-row");
   });
 
+  it("does not render a helper icon by default", () => {
+    render(<Selection {...defaultProps} orientation="vertical" />);
+
+    expect(screen.queryByText("?")).not.toBeInTheDocument();
+  });
+
+  it("renders a helper icon when showInfoIcon is true", () => {
+    render(
+      <Selection
+        {...defaultProps}
+        orientation="vertical"
+        showInfoIcon={true}
+      />,
+    );
+
+    expect(screen.getByText("?")).toBeInTheDocument();
+  });
+
   it("handles click events", () => {
     const handleClick = vi.fn();
     render(<Selection {...defaultProps} onClick={handleClick} />);