- replace top-level `import { cookies } from 'next/headers'` with lazy `await import('next/headers')` inside handler
- document the constraint in PROJECT.md: no top-level next/headers or next/navigation imports reachable from module register() chains
- update tagline in README.md and docs to reflect multi-purpose scope
- rephrase project description in PROJECT.md to position zen as an extensible admin platform
- remove detailed core documentation sections from PROJECT.md
- fix typo "palteforme" in directory structure comment
- replace cms references with platform wording in DEV.md
BREAKING CHANGE: sup config now derives entries from package.json#exports and a server/client glob instead of manual lists; module structure follows flat + barrel convention with .server.js/.client.js runtime suffixes