Full cleanup pass

.cursor/rules/routes.mdc

@@ -18,6 +18,7 @@ the file tree without affecting URLs.
 | `app/(app)/` | `/create/*`, `/login`, `/profile`, future signed-in surfaces | Authenticated product | `Top` (via root) — no footer except **`/profile`** (see `profile/layout.tsx`) |
 | `app/(admin)/` | `/monitor`, future ops dashboards | Operators | `Top` (via root) — no footer |
 | `app/(dev)/` | `/components-preview`, future dev previews | Local dev (NODE_ENV gated) | `Top` (via root) — no footer |
+| `app/(marketing-case-study)/` | `/use-cases/[slug]/rule` | Public case-study demos | Chromeless (no global `Top`; see `navigationChromelessPath.ts`) |
 | `app/api/` | API routes | n/a | n/a |
 
 Route folders **must not** sit loose at the top level of `app/`. If a new