fix: replace express-ws with native ws to fix WebSocket binary handling

debug: enhance publish pipeline logging

fix: replace y-websocket with @hocuspocus /provider for protocol compatibility

debug: add logging to publish extraction pipeline

fix: use TiptapTransformer to extract Y.Doc content for publish

fix: fall back to local storage when HF dataset upload fails

fix: pass OAuth cookie token to Hocuspocus WebSocket auth

feat: auto-create private HF dataset using OAuth token

fix: flush Hocuspocus document to disk before publish

fix: use target=_blank for OAuth login (sandboxed iframe)

feat: implement proper HF OAuth flow

fix: OAuth login works inside HF Space iframe

fix: prevent express.static from serving index.html on /

refactor: remove doc URL parameter, single document per Space

feat: clean routing - /editor for auth, / for published article

fix: auth flow for publish and write access check

fix: resolve TipTap v3 collaboration crash

fix: adapt to StarterKit v3 API changes

fix: resolve Buffer/Blob type errors in hf-storage

fix: use multi-stage Docker build for backend compilation

fix: copy .npmrc into Docker frontend build stage

chore: upgrade all TipTap packages to v3

chore: set frontend dev server port to 5678

refactor: store pre-computed attrs in citation/bibliography nodes

feat: add Playwright + Chromium to Dockerfile for PDF generation

feat: add publish button with confirmation dialog

feat: add client-side image optimization (WebP variants)

feat: add publish pipeline with HTML/PDF/thumbnail generation

feat: add HF OAuth authentication middleware

refactor: split editor.css into tokens/article/editing layers

chore: initial commit