[lane:docs] Semantic DOM Debugging guide #72

Lane B — Semantic DOM Debugging guide

Type: docs-only
Goal: Add a focused guide explaining how inspectScreen() semantic IDs map to showSemanticIds DOM data attributes.

Allowed files

• docs/Semantic-DOM-Debugging.md
• packages/dom/README.md
• README.md

Forbidden files

All other files. If your task requires editing a file outside the allowed list, stop and report the issue — do not proceed.

Validation

• pnpm test
• pnpm typecheck
• pnpm lint
• pnpm changeset status

Merge policy

Open PR only — do not merge automatically.

Worker command (posted below)

`/oc [lane:docs] Add docs/Semantic-DOM-Debugging.md explaining how inspectScreen() semantic IDs map to showSemanticIds DOM data attributes. Update packages/dom/README.md and/or README.md if cross-references are needed. Only edit the three allowed files. Stop and report if you need any other file. Run pnpm test, pnpm typecheck, pnpm lint, and pnpm changeset status to validate. Open a PR but do not merge.