Open create-flow method modals with editable fields and tertiary default copy.

Seeded section text should look like the form default state, not locked primary, and Customize stays on the kebab instead of unlocking the body.

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

tests/components/TextArea.test.tsx

@@ -42,4 +42,17 @@ describe("TextArea appearance", () => {
     expect(textarea).toBeInTheDocument();
     expect(textarea).toHaveClass("border-0");
   });
+
+  it("uses tertiary text in the embedded default state and primary on focus", () => {
+    renderWithProviders(
+      <TextArea label="Notes" value="Some text" appearance="embedded" />,
+    );
+    const textarea = screen.getByRole("textbox", { name: /notes/i });
+    expect(textarea).toHaveClass(
+      "text-[var(--color-content-default-tertiary,#b4b4b4)]",
+    );
+    expect(textarea).toHaveClass(
+      "focus:text-[var(--color-content-default-primary)]",
+    );
+  });
 });