This is a comment left during a code review.
Path: src/gateway/server/plugins-http.test.ts
Line: 465-490

Comment:
**Missing global state cleanup after test**

This test calls `setActivePluginRegistry` and `pinActivePluginHttpRouteRegistry`, modifying shared global state, but the `finally` block only unregiters the route — the pinned registry and active registry are never restored. While the `describe("createGatewayPluginRequestHandler")` block has a dedicated `afterEach` for this, the `describe("plugin HTTP route auth checks")` block has no equivalent.

In practice this is currently safe because this test is last in its suite and the fallback logic in `resolveActivePluginHttpRouteRegistry` compensates when the active registry is empty. However, if tests are reordered or new tests are added to this suite after this one, the leaked `httpRouteRegistryPinned = true` + a stale `startupRegistry` could cause subtle failures (e.g. a test that passes a non-empty local registry would still fall back to it, but a test that expects no routes in the active registry would not).

Consider adding cleanup to the `finally` block or adding an `afterEach` to this describe block:

```suggestion
  it("prefers the active route registry for auth checks when the explicit registry is stale", () => {
    const startupRegistry = createTestRegistry();
    const staleExplicitRegistry = createTestRegistry({
      httpRoutes: [createRoute({ path: "/plugins/diffs", auth: "plugin" })],
    });

    setActivePluginRegistry(createTestRegistry());
    pinActivePluginHttpRouteRegistry(startupRegistry);

    const unregister = registerPluginHttpRoute({
      path: "/bluebubbles-webhook",
      auth: "gateway",
      handler: () => true,
    });

    try {
      expect(
        shouldEnforceGatewayAuthForPluginPath(staleExplicitRegistry, "/bluebubbles-webhook"),
      ).toBe(true);
      expect(shouldEnforceGatewayAuthForPluginPath(staleExplicitRegistry, "/plugins/diffs")).toBe(
        false,
      );
    } finally {
      unregister();
      releasePinnedPluginHttpRouteRegistry();
      setActivePluginRegistry(createEmptyPluginRegistry());
    }
  });
```

How can I resolve this? If you propose a fix, please make it concise.