* chore: bump version to 3.1.0 and update dependencies in package.json, pnpm-lock.yaml, and pnpm-workspace.yaml; enhance billing services with support for hosted checkout page in Stripe integration
* Enhance error handling in billing services to log error messages instead of objects; update documentation for Stripe integration to clarify publishable key requirements based on UI mode.
Version 3 of the kit:
- Radix UI replaced with Base UI (using the Shadcn UI patterns)
- next-intl replaces react-i18next
- enhanceAction deprecated; usage moved to next-safe-action
- main layout now wrapped with [locale] path segment
- Teams only mode
- Layout updates
- Zod v4
- Next.js 16.2
- Typescript 6
- All other dependencies updated
- Removed deprecated Edge CSRF
- Dynamic Github Action runner
