Jason Woltje
8383a98070
feat(#82): add prompt formatter service to personality module
- Add PromptFormatterService for formatting system prompts based on personality
- Support context variable interpolation (userName, workspaceName, etc.)
- Add formality level modifiers (VERY_CASUAL to VERY_FORMAL)
- Add template validation for custom variables
- Add preview endpoint for formatted prompts
- Fix UpdatePersonalityDto to avoid @nestjs/mapped-types dependency
- Update PersonalitiesController with new endpoints
- Add comprehensive tests (33 passing tests)
Closes #82