- Add authorization check in organization_controller.ex update action
- Only organization owners can modify organization settings via API
- Returns 403 Forbidden if user is not an owner
- Affects all organization settings including use_sites and name
- Organization name can now be updated via API (existing field)
This ensures critical organization settings are only changed by authorized users.
- Escape HEEx template braces in GraphQL/API docs with raw(~S[...])
- Fix test assertions for updated marketing copy and UI text
- Extract helper functions in GraphQL resolvers to reduce nesting depth
- Create shared ErrorHelpers module for API controllers
- Fix ETS race condition in brute force whitelist cache for async tests
- Fix property test generators to use ASCII instead of printable unicode
- Add alert_severity helper to site_live/show
- Update accounts fixtures for explicit user confirmation
