feat: import Chinese-localized Buzz source snapshot

Signed-off-by: cls_宁波本机 <908705107@qq.com>

desktop/tests/e2e/identity-key-help.spec.ts

@@ -0,0 +1,93 @@
+import { expect, test } from "@playwright/test";
+
+import { waitForAnimations } from "../helpers/animations";
+import { installMockBridge } from "../helpers/bridge";
+
+const HELP_SEEN_KEY = "buzz.machine-onboarding.identity-key-help-seen.v1";
+
+test("identity key help explains the first-run choice", async ({ page }) => {
+  await installMockBridge(page, undefined, {
+    skipCommunitySeed: true,
+    skipOnboardingSeed: true,
+  });
+  await page.goto("/");
+
+  const trigger = page.getByTestId("identity-key-help-trigger");
+  // No initial opacity-0 assertion: on a slow runner the 2s reveal timer can
+  // fire before the first assertion runs, failing the test for the wrong
+  // reason. The reveal + persistence assertions below carry the coverage.
+  await expect(trigger).toHaveCSS("opacity", "1", { timeout: 5000 });
+  await expect
+    .poll(() =>
+      page.evaluate((key) => localStorage.getItem(key), HELP_SEEN_KEY),
+    )
+    .toBe("true");
+
+  await page.setViewportSize({ width: 720, height: 620 });
+  await trigger.click();
+
+  const dialog = page.getByTestId("identity-key-help-dialog");
+  await expect(dialog).toBeVisible();
+  await waitForAnimations(page);
+  await expect(
+    dialog.getByRole("heading", { name: "What’s an identity key?" }),
+  ).toBeVisible();
+  await expect(dialog).toHaveClass(/shadow-none/);
+  await expect(page.getByTestId("dialog-overlay")).toHaveCSS(
+    "background-color",
+    "rgba(0, 0, 0, 0)",
+  );
+  const dialogWrapper = dialog.locator("..");
+  await expect(dialogWrapper).toHaveCSS("overflow-x", "hidden");
+  const dialogBounds = await dialog.boundingBox();
+  expect(dialogBounds).not.toBeNull();
+  expect(dialogBounds?.x).toBeGreaterThanOrEqual(0);
+  expect(
+    (dialogBounds?.x ?? 0) + (dialogBounds?.width ?? 0),
+  ).toBeLessThanOrEqual(720);
+
+  await page.keyboard.press("Escape");
+  await expect(dialog).not.toBeVisible();
+  await expect(trigger).toHaveCSS("opacity", "1");
+
+  await page.reload();
+  await expect(page.getByTestId("identity-key-help-trigger")).toHaveCSS(
+    "opacity",
+    "1",
+  );
+});
+
+test("identity key help stays readable when the app resolves dark mode", async ({
+  page,
+}) => {
+  await page.emulateMedia({ colorScheme: "dark" });
+  await installMockBridge(page, undefined, {
+    skipCommunitySeed: true,
+    skipOnboardingSeed: true,
+  });
+  await page.goto("/");
+
+  // Fresh profiles follow the system scheme, so the emulated dark scheme is
+  // the first-run repro: the app resolves the dark theme while onboarding.
+  await expect
+    .poll(() =>
+      page.evaluate(() => document.documentElement.classList.contains("dark")),
+    )
+    .toBe(true);
+
+  const trigger = page.getByTestId("identity-key-help-trigger");
+  await expect(trigger).toHaveCSS("opacity", "1", { timeout: 5000 });
+  await trigger.click();
+
+  const dialog = page.getByTestId("identity-key-help-dialog");
+  await expect(dialog).toBeVisible();
+  await waitForAnimations(page);
+
+  // The textured powder card is baked light in both themes, so the dialog pins
+  // the neutral onboarding theme to its light variant. Without the pin the
+  // dark theme flips --foreground to near-white and the title disappears
+  // against the white card.
+  await expect(
+    dialog.getByRole("heading", { name: "What’s an identity key?" }),
+  ).toHaveCSS("color", "rgb(23, 23, 23)");
+});