fix(e2e): improve test stability and developer experience (#337)

* fix(e2e): add masks for dynamic content and increase timeouts for slow servers

- Add HOST_MASKS for Tool Input/Result panels with dynamic timestamps
- Add say-server to SLOW_SERVERS (10s) for TTS model download
- Add say-server to EXTRA_WAIT_MS (30s) in generate-grid-screenshots

* feat: add update-lock:docker script to regenerate lockfile with public registry

* pin package versions for dev compatibility

* feat(basic-host): add ?theme=hide query param to hide theme toggle in screenshots

- Add hideThemeToggle param to getQueryParams()
- Conditionally render ThemeToggle based on ?theme=hide
- Update e2e tests to use ?theme=hide for consistent screenshots

* update screenshots

* update screenshots

* fix(husky): load Node.js environment for GUI apps like GitHub Desktop

* fix(e2e): increase map-server wait time to 15s for tile loading

* fix(e2e): increase waitForAppLoad timeout to 30s for nested iframe loading

* ci: add workflow to update e2e snapshots

* ci: trigger snapshot update on push to this branch

* chore: update e2e snapshots [skip ci]

* ci: trigger CI after snapshot update

* style: fix prettier formatting in update-snapshots workflow

* fix: pin seroval, seroval-plugins, and solid-js for artifactory compatibility

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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

tests/e2e/generate-grid-screenshots.spec.ts

@@ -28,6 +28,8 @@ const EXTRA_WAIT_MS: Record<string, number> = {
 // Servers to skip (screenshots maintained manually)
 const SKIP_SERVERS = new Set([
   "video-resource", // Uses custom screenshot from PR comment
+  "qr-server", // Uses custom screenshot from PR comment
+  "say-server", // TTS model download from HuggingFace can be slow
 ]);
 
 // Optional: filter to a single example via EXAMPLE env var (folder name)
@@ -103,9 +105,10 @@ async function waitForAppLoad(page: Page) {
 
 /**
  * Load a server by selecting it from dropdown and clicking Call Tool.
+ * Uses ?theme=hide to hide the theme toggle for consistent screenshots.
  */
 async function loadServer(page: Page, serverName: string) {
-  await page.goto("/");
+  await page.goto("/?theme=hide");
   // Wait for servers to connect (select becomes enabled when servers are ready)
   await expect(page.locator("select").first()).toBeEnabled({ timeout: 30000 });
   await page.locator("select").first().selectOption({ label: serverName });