feat: add dense console ui primitives

tests/ui/page-toolbar.test.tsx

@@ -0,0 +1,19 @@
+import { render, screen } from "@testing-library/react";
+
+import { PageToolbar } from "@/components/ui/page-toolbar";
+import { Input } from "@/components/ui/input";
+import { Select } from "@/components/ui/select";
+
+test("renders a dense toolbar row with compact controls", () => {
+  render(
+    <PageToolbar>
+      <Input aria-label="search" />
+      <Select aria-label="status">
+        <option value="all">全部状态</option>
+      </Select>
+    </PageToolbar>,
+  );
+
+  expect(screen.getByLabelText("search").className).toContain("h-9");
+  expect(screen.getByLabelText("status").className).toContain("h-9");
+});