- The four public REST routes say why they are public (viewable posts only, show_in_rest fields only, per_page cap, one view per IP per post per hour).
- Admin ternary echoes of literal strings are escaped for their context: esc_attr() in attributes, esc_html() for text; the object-cache badge is an if/else and aria-current is always printed ("false" off the current tab).
- Exceptions in the migration engine and the health cron go to TMDO_Logger instead of error_log().
- Verify: audit greps (ternary echoes 23 → 0, error_log outside the logger 0); dev36 renders 8 admin tabs with the change, no PHP notice, one aria-current="page" each.
- PR: PR-078
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