Flagged questions disappear from every student-facing surface (search,
exam simulation sampling, the missed-question review queue, bookmarks,
direct fetch) while staying published - flagging and unpublishing are
now separate, reversible actions with their own audit trail (who
flagged it, when, why). Backend-only for now: SUPER-only flag/unflag/
list endpoints, no client UI. Includes a one-time CLI sweep
(flag-media-questions) to flag every existing question with an image
so they can be reviewed.
System decks/notes are owned by a reserved sentinel user id, reusing
all existing per-user store/index plumbing unchanged. Regular users
see them under a separate "Official Decks" section, can study them
with fully independent per-user FSRS progress (lazily materialized on
first visit), but can never edit or archive them - enforced both in
the client (no Edit/Archive controls) and server-side (ownership guard
on every mutating endpoint). Includes a small idempotent seed command
(`dotnet run -- seed-flashcards`) for testing, since there's no in-app
authoring UI yet.
Adds a full flashcards system: FSRS-based scheduling, cloze/basic
card types, CSV import/export, media storage, and study UI, wired
into navigation and the dashboard alongside existing question flows.
hz