<ul><li>Built complete standardized module structure for AboutUsManager under /modules/AboutUsManager/</li><li>Created AboutUsModuleModel (PHP 8.1 compatible) — adapts legacy About class, removes WWBNglobal hard dependency, uses session_status() check, BASEPATH_ constant for DB connect</li><li>Created AboutUsAdminService — shared service layer bridging PlatformAdmin and TenantAdmin contexts</li><li>Created 4 controllers: AboutUsPlatformAdminController (stub account-selection), AboutUsTenantAdminController (YPSiteLinkID context), AboutUsTenantMemberController, AboutUsTenantPublicController</li><li>Created context entry points: platform_admin/, tenant_admin/, tenant_member/, tenant_public/ index files</li><li>Created UBOLD4-compatible Bootstrap 4 views for all 4 contexts</li><li>Created API stub (api/index.php) returning standard JSON envelope</li><li>Created module.config.php, routes.php, bootstrap index.php with context resolution logic</li><li>Created documentation/README.md with full compatibility, routing, and legacy model documentation</li><li>All 18 PHP files pass php -l syntax check; 0 errors</li><li>Legacy files untouched — new structure runs in parallel</li></ul>