Add the ranked legacy-interface backlog (T01), rename dashboard navigation and
user-facing copy to workplan while preserving wire-compat API keys (T02), and
activate the retirement workplan with T01/T02 marked done.
Covers installation, usage, workplan file format, task status lifecycle,
custodian naming conventions, COULOMBCORE usage, and manual cancellation.
Registered in Reference nav + reference.md index.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
