Broadcasts analysis progress so the dashboard updates live:
- analysis::events: AnalysisEvents broadcaster + AnalysisEvent
(Enqueued / Started / Completed / Failed), carrying the
manga/chapter/page breadcrumb.
- The worker daemon resolves each page's breadcrumb (repo::page::locate)
and publishes Started before dispatch and Completed/Failed after.
- The admin reenqueue publishes Enqueued (scoped by manga/chapter).
- GET /v1/admin/analysis/status/stream — SSE (RequireAdmin) forwarding
each event as a named `analysis` frame; broadcast lag emits a `lagged`
frame. AppState carries the always-present events bus.
Tests: worker publishes started+completed (with breadcrumb) and failed;
SSE route is admin-gated (403 non-admin) and returns text/event-stream.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>