📋 الوصف الكامل

## Summary Arcane v2.10.2 contains an authorization inconsistency in `AuthMiddleware.managerAuth`. When a request supplies a valid environment access token through the `X-Arcane-Agent-Token` header, `managerAuth` resolves the associated environment, installs an environment-scoped permission set, and immediately calls `next(c)`. This occurs before the middleware evaluates the `AdminRequired` opt