refactor(ai-toolbar): cluster example prompts in masonry layout

tests/ai-toolbar.test.ts

@@ -166,6 +166,15 @@ describe("AI capture redesign", () => {
 		expect(source).not.toContain("lg:grid-cols-");
 	});
 
+	test("example prompts use a masonry-style cluster inside the composer footer", () => {
+		const source = readToolbarSource();
+
+		expect(source).toContain("Try:");
+		expect(source).toContain("columns-2");
+		expect(source).toContain("break-inside-avoid");
+		expect(source).toContain("w-full text-left");
+	});
+
 	test("desktop composer uses a two-column row when the page gives it full-width space", () => {
 		const source = readToolbarSource();