Use live maintenance sessions, durable capacity reservations and streamed SHA-bound ZIP uploads. An ordinary capped import worker validates stored/deflated v1/v2 packages, persists immutable unpublished candidates and finite audit events, and recovers or releases capacity after interruption and expiry.
Validate actual PG/HTTP/worker/storage fault paths in an isolated capped VM (2 passed, 0 skipped), reuse unchanged actual migration roundtrip evidence, and pass affected backend/architecture checks plus the prior full engineering checks.
Build a separate admin entrypoint with its own router and sidebar layout.
Add preview sections for problems, contests, users, judge nodes and site settings.
Configure Vite to emit both public and admin HTML entries.
Add profiles, discussions, team creation, authentication forms and the about page.
Validate preview forms and display the available platform health endpoint.
Present announcements, submission trends, recent problems, contests and solver rankings.
Arrange blue pill labels in a TagCanvas sphere with adaptive sizing, mouse-follow and drag modes.
Allow tag selection to filter the problem list and provide keyboard-accessible links.
Add problem filtering, trainings, contests, submission details and rankings.
Provide a split problem/editor layout with multilingual local drafts and self-test panels.
Run and submit actions show pending service integration.
Add reusable headings, panels, tables, charts, pagination and explicit preview fixtures.
Apply the shared blue theme, responsive top navigation and Chinese UI locale.