title: Control UI assistant media ticket evidence

scenario:
  id: control-ui-assistant-media-tickets
  surface: browser-control-ui-and-webchat
  category: browser-control-ui-and-webchat.webchat-conversations
  coverage:
    primary:
      - ui.assistant-media-tickets
  objective: Link scoped assistant media ticket e2e coverage to Control UI maturity accounting.
  successCriteria:
    - Gateway metadata requests mint scoped assistant media tickets.
    - Assistant media fetches without a ticket are rejected.
    - Tickets cannot be replayed for a different source file.
  docsRefs:
    - docs/web/control-ui.md
    - docs/help/testing.md
  codeRefs:
    - src/gateway/control-ui-assistant-media.e2e.test.ts
  execution:
    kind: vitest
    path: src/gateway/control-ui-assistant-media.e2e.test.ts
    summary: Vitest e2e coverage for scoped Control UI assistant media tickets.