chore(test): catalog @playwright/test and wire e2e into turbo

- Promote @playwright/test to the workspace catalog
- Add test:e2e turbo task (uncached)
- Add root pnpm test:e2e script
- Vitest scopes to src/**/*.{test,spec} and excludes e2e/

pnpm-lock.yaml

@@ -9,6 +9,9 @@ catalogs:
     '@biomejs/biome':
       specifier: ^2.4.0
       version: 2.4.13
+    '@playwright/test':
+      specifier: ^1.59.1
+      version: 1.59.1
     '@testing-library/jest-dom':
       specifier: ^6.6.3
       version: 6.9.1
@@ -193,7 +196,7 @@ importers:
         version: 4.3.6
     devDependencies:
       '@playwright/test':
-        specifier: ^1.59.1
+        specifier: 'catalog:'
         version: 1.59.1
       '@tanstack/router-plugin':
         specifier: ^1.120.3