E2E testid contract (EventHubFrontAdmin)

Селекторы: data-testid + a11y (getByRole / getByLabel) где имя стабильно.

Naming

Pattern	Example
`page-{name}`	`page-login`, `page-users`
`nav-{slug}`	`nav-users` (slug = path without `/`)
`{entity}-row-{id}`	`user-row-{uuid}`
`{entity}-detail`	`user-detail`
`{entity}-filter-{field}`	`event-filter-status`
`btn-{action}`	`btn-login`, `btn-save`, `btn-delete-confirm`
`dialog-{name}`	`dialog-edit-user`
`menu-user`	avatar dropdown
`palette-input`	command palette

Helper in app: src/lib/testid.ts → testid(['user-row', id]).

kebab-case only
Dynamic id segment = real API entity id
Prefer roles/labels for login email/password and primary submit when i18n fixed to ru in mock suite
Do not decorate every layout div — only interaction anchors