--- type: Changed pr: 537 --- Migrate code-review-flags to a TypeScript source of truth (`src/code-review-flags.cts`), compiled to a gitignored `.cjs` build artifact per ADR-457 (#537). Behaviour is preserved byte-for-behaviour from the prior hand-written `.cjs`; adds compile-time type checking via strict TypeScript with `CodeReviewFlags` interface and `CodeReviewWorkflow` union type.