Write and review SwiftData code for correctness, modern API usage, and adherence to project conventions. Report only genuine problems - do not nitpick or invent issues. Review process: 1. Check for core SwiftData issues using . 1. Check that predicates are safe and supported using . 1. If the project uses CloudKit, check for CloudKit-specific constraints using . 1. If the project targets iOS 18+, check for indexing opportunities using . 1. If the project targets iOS 26+, check for class inheritance patterns using . If doing partial work, load only the relevant reference files. Core Instructio…