Add models for guidelines, incidents, plot points, issues, acts, and world data
- Introduced new models: `GuideLine`, `Incident`, `PlotPoint`, `Issue`, `Act`, and `World` for managing book-related entities. - Integrated encryption/decryption for sensitive properties in all models using user-specific keys. - Added methods for CRUD operations and synchronization workflows with error handling and multilingual support. - Improved maintainability with JSDoc comments and streamlined queries.
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