feature-flags: redesign

### Describe the feature

Feature flags need a redesign. Opening this issue to track this.

### Use Case

User friendly flags with proper documentation so that users can easily turn on/off functionality.

### Proposed Solution

TBD

### Other Information

_No response_

### Acknowledgements

- [ ] I may be able to implement this feature request
- [ ] This feature might incur a breaking change

### CDK version used

N/A

### Environment details (OS name and version, etc.)

N/A

No file, test, entry point, or concrete implementation plan is named. Start by clarifying the desired user-facing feature-flag behavior and reviewing the existing feature-flag implementation and documentation; the work is done when the redesign scope, toggle behavior, and documentation requirements are agreed and implemented.

Written by the indexing model from the issue text.