[codex] PR_26171_059 rollback restore plan

[ToolboxAid]

Summary

• Documents the clean rollback restore plan from latest main.
• Records the approved restore list and reapply order for sign-in, env diagnostics, toolbox images, Text To Speech, and Game Journey follow-up.
• Updates the required Codex review artifacts without reapplying implementation work.

Validation

• npm run test:playwright:static
• git diff --check

Notes

• This PR is documentation/static only.
• npm run dev:local-api and npm run test:workspace-v2 were intentionally not run for this rollback plan scope.
• The local GitHub CLI is unavailable, so PR creation/merge is being handled through the GitHub connector.