feat: show all pages with jump-to-mention navigation

fix: block document access for users not in annotator_config

feat: multi-corpus support

fix: disable all caching in leaderboard API for real-time updates

feat: per-annotator document assignments with configurable overlap

feat: add annotation leaderboard with medals and stats

feat: per-annotator validation support for multi-user overlap

fix: remove PDF HEAD check that was filtering out valid docs (WB returns 301 for HEAD)

fix: validation updates now saved at top level, not nested in dataset_name

feat: add progress tracking with docs/pages/mentions verification stats

fix: proxy PDFs through /api/pdf-proxy to bypass CORS

feat: prepare_data.py script + use has_revalidation filter in documents API

fix: validate PDF URLs before listing documents, skip broken/unreachable PDFs

feat: add loading spinner and error fallback to PDF viewer

feat: on-demand document loading, no limit, PDF loading indicator

fix: remove OAuth state verification (cookies don't survive HF iframe redirect)

update: reverted local changes

fix: remove OAuth state verification (cookies don't survive HF iframe redirect)

feat: per-annotator document assignment

feat: add ALLOWED_USERS allowlist for OAuth login

feat: HF OAuth login, increase docs to 50, filter consensus non-datasets

revert: remove isPullRequest, use write-access token instead

fix: add isPullRequest to all HF commits (403 Forbidden)

feat: human validation, recursive highlighting, data mentions rename

feat: implement HF Datasets remote fetching and save

feat: implement dual local/HF storage with page-level UI tracking