Web Component Framework Implementation Readiness Checklist

Blockers

• Dedicated Web Components repository must exist.
• Repository owner must confirm package scope and publishing authority.
• Browser support matrix must be written down before form-associated controls or SSR claims become contractual.

Required work before broad library expansion

• Set up monorepo tooling, package boundaries, and changeset workflow.
• Establish token source pipeline using DTCG-compatible inputs.
• Generate and validate Custom Elements Manifest in CI.
• Create plain HTML, React, Vue, and SSR fixtures.
• Run the deferred architecture probes listed in EX-WC-0001.
• Define API linting and public API diff checks.
• Write component specification template and accessibility-contract template.
• Prove one Light DOM composite and one Shadow DOM widget can coexist under the same docs and test system.

Optional improvements

• Generate wrappers from manifest metadata where feasible.
• Add bundle budget reporting per package.
• Add visual-diff baselines per theme and forced-colors mode.
• Add codemod scaffolding for future deprecations.

Deferred research debt

• Exact SSR stack selection.
• Exact React wrapper generation strategy.
• Exact Vue adapter scope.
• Long-term versioning policy after first stable release.
• Assistive-technology matrix beyond browser support.

Implementation start assessment

• Status: Ready to begin repository implementation.
• Reason: No unresolved foundational decision remains.
• Caveat: Pilot-first execution is mandatory; full-catalog expansion is not approved by this research.