chore: dependências e teste de ponta a ponta

Saem gsap, motion, clsx e tailwind-merge; entram server-only, @playwright/test e @axe-core/playwright. Suíte e2e (rotas, axe, teclado, navegação, sem JS, rolagem) rodável com pnpm test:e2e contra BASE_URL.

jest.config.ts

@@ -5,12 +5,13 @@ const config: Config = {
   testEnvironment: "jsdom",
   roots: ["<rootDir>/app", "<rootDir>/lib"],
   modulePathIgnorePatterns: ["<rootDir>/.worktrees/"],
+  // o teste de fumaça (Playwright) roda com `pnpm test:e2e`, não no Jest
+  testPathIgnorePatterns: ["/node_modules/", "<rootDir>/e2e/"],
   setupFilesAfterEnv: ["<rootDir>/jest.setup.ts"],
   moduleNameMapper: {
     "^@/(.*)$": "<rootDir>/$1",
     "^.+\\.(css|sass|scss)$": "identity-obj-proxy",
-    "^.+/animations/PointCloud$":
-      "<rootDir>/app/components/animations/__mocks__/PointCloud.tsx",
+    "^server-only$": "<rootDir>/lib/__mocks__/server-only.ts",
   },
   testMatch: ["**/__tests__/**/*.[jt]s?(x)", "**/?(*.)+(spec|test).[jt]s?(x)"],
   transform: {