chore(template): clean-slate template snapshot from bb4a0c7

Curated, product-agnostic snapshot of the post-story-04 tree: demo
content deleted, auth-only reference feature, web-next shell, all gates
green. Product-specific docs, ADRs 027-029, PRDs/epics/archive, editor
library traces, and product naming are curated out; generic template
repairs (coverage provider devDeps, root test:coverage script, live
lint fixes, root-only release-please) are kept. See TEMPLATE.md for
provenance, curation list, and usage.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016j8z4VHjedXDTjEDNg7qHK

turbo/generators/templates/core-ui-component/component.test.tsx.hbs

@@ -0,0 +1,23 @@
+import { describe, it, expect } from "vitest";
+import { createRef } from "react";
+import { renderWithProviders } from "@repo/core-testing/react";
+import { screen } from "@testing-library/react";
+import { {{pascalCase name}} } from "./{{kebabCase name}}";
+
+describe("{{pascalCase name}}", () => {
+  it("renders without crashing", () => {
+    renderWithProviders(<{{pascalCase name}} data-testid="root" />);
+    expect(screen.getByTestId("root")).toBeInTheDocument();
+  });
+
+  it("applies a passed className alongside its own", () => {
+    renderWithProviders(<{{pascalCase name}} data-testid="root" className="custom" />);
+    expect(screen.getByTestId("root")).toHaveClass("custom");
+  });
+
+  it("forwards ref to the underlying element", () => {
+    const ref = createRef<HTMLDivElement>();
+    renderWithProviders(<{{pascalCase name}} ref={ref} />);
+    expect(ref.current).toBeInstanceOf(HTMLDivElement);
+  });
+});