v22.0.0-beta.0

• chore(release): reset package versions to 21.12.0 baseline
• chore(release): roll back from 23.0.0-beta.0 to 22.0.0-beta.0
• fix(scripts): use npx ng so test:workspace scripts find the local @angular/cli
• style(renderer): center demo-wrap children
• fix(test-workspace): silence TS 6 baseUrl deprecation for esbuild path resolution
• chore(workspace): upgrade to Angular 22 + TypeScript 6
• docs(guide): add v22 migration guide
• chore(release): bump to v22.0.0, support Angular 20/21/22
• style(renderer): stretch demo-wrap children to fill flex container
• style: nx format:write
• fix: address review findings for manifest cache-dir branch
• docs: document .ng-prism/ manifest cache layout (ADR 006)
• refactor(builder): use wildcard path mapping for prism-manifest
• refactor(builder): relocate manifest cache from node_modules/.cache to .ng-prism/
• chore(test-workspace): switch to cache-dir manifest layout
• docs(migrations): correct multi-project comment to reflect first-write-wins
• test(migrations): cover multi-library workspace scenario
• feat(migrations): remove legacy prism-manifest .gitignore entry
• feat(migrations): delete legacy prism-manifest.ts from sourceRoot
• feat(migrations): add prism-manifest path mapping to tsconfig
• feat(migrations): rewrite main.ts import for cache-dir manifest
• chore(migrations): scaffold v21.13 manifest-cache migration
• chore(ng-prism): scaffold ng-update migrations collection
• test(ng-prism): update integration asserts for cache-dir manifest path
• feat(schematics): ng-add uses tsconfig path mapping for prism-manifest
• refactor(schematics): extract addTsConfigPath utility
• refactor(builder): extract resolveCacheDir helper
• feat(builder): expose cacheDir override on serve and build builders
• refactor(builder): clean up dead sourceRoot/getProjectMetadata from pipeline spec
• feat(builder): write prism-manifest to node_modules/.cache by default
• Feat/typed variant inputs (#15)