feat: dashboard-testing UX remediation + admin MCP governance + i18n sweep
- UX audit Fix 1-5: actionable MCP HandoffSurface (endpoint/discovery/onboarding), reachable
approval loop (sidebar section + waiting-for-me badge), honest MCP entry labels, ROUTES SSOT
for dashboard-testing/load-testing (+ link-integrity coverage)
- scenario registry hub (/dashboard-testing/scenarios) built on ScenarioRegistryModel
- admin MCP governance: read-only GET /api/admin/mcp/catalog (catalog x roles + DCR clients) +
/admin/mcp page/model/api + ROUTES.admin.mcp + sidebar entry
- full i18n sweep of dashboard-testing routes and scenario-* component trees (ru/en)
- accumulated workspace: MCP OAuth/DCR, automation idempotency migration, docker/nginx, specs