feat(util): add workspace path helpers

scripts/verify-package-readme-model-experience.ts

@@ -34,6 +34,7 @@ const NO_MODEL_EXPERIENCE_SECTION: Readonly<Record<string, string>> = {
   'packages/util/brand': 'The package is a type-only primitive erased at compile time.',
   'packages/util/home-paths': 'The package only resolves harness-owned host paths; model-facing consumers own any rendered use.',
   'packages/util/launch-environment': 'The package only resolves host environment values; model-facing consumers own any rendered use.',
+  'packages/util/workspace-path': 'The package only formats Workspace paths for browser UI; it never constructs model input.',
 }
 
 /**