docs: revise TypeScript migration PRD and task list for tech stack modernization#941
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docs: revise TypeScript migration PRD and task list for tech stack modernization#941
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This was referenced Mar 9, 2026
…dernization Expand scope from TS-only migration to full tech stack modernization (pnpm, Vite, Vitest, ESLint 9, browser target drop to rolling modern targets). Key changes: - Add Phase 3: Tooling Modernization (PRs 3-8) before TS file conversion - Fix dependency-tier ordering violations (base classes before derived) - Add 14 missing files (templates/, styles/, template.js, defaults/components.js) - Fix incorrect @types/jest (project uses Mocha, migrating to Vitest) - Move modal updater to PR 17 (cross-tier dependency on Product component) - Document CSS class type mismatch (string[] in types vs string in runtime) - Enumerate 11 Record<string, any> + 1 Function type debt instances - Document pre-existing bugs (destroyComponent precedence, postMessage origin) - Add complete 49-file source inventory and 30-file test inventory - Major version bump 3.0.6 to 4.0.0 for IE 11 drop Reviewed and approved by Kara (product strategist), Sheldon (code guardian), and Gray (verification guardian) across 3 review rounds.
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Summary
@types/jest→ Vitest), 14 missing files, dependency-tier ordering violations, npm/yarn inconsistencyRecord<string, any>debt for systematic cleanupKey decisions