fix(ui): anchor help to headings and document grouped navigation

Verified with the coordinated workspace changes by devkit full run
2026-09-08T225814-186389-0000-3e3ed7cd (all seven phases passed).
This shared UI pass does not mark the individual module reviews complete.

webui/src/features/admin/TenantModuleManagementPanel.tsx

@@ -211,6 +211,7 @@ export default function TenantModuleManagementPanel({ settings, scope, canWrite
   return (
     <AdminPageLayout
       title={labels.title}
+      titleHelp={<DocumentationHelpLink reference={DOCUMENTATION} label="Open module governance documentation" />}
       description={labels.description}
       loading={loading}
       error={error}
@@ -231,7 +232,6 @@ export default function TenantModuleManagementPanel({ settings, scope, canWrite
           <Button variant="primary" onClick={() => void save()} disabled={!canWrite || !dirty || busy}>
             <Save size={16} /> {busy ? "Saving..." : "Save"}
           </Button>
-          <DocumentationHelpLink reference={DOCUMENTATION} label="Open module governance documentation" />
         </>
       }
     >