The past year's key changes

(1) /sim virtual cube Playground (port of huazhechen/cuber, three.js engine + 4 modes: free play / replay / algs / record); (2) /comp cubing.com live-competition mirror (direct WS push); (3) shadcn-style theme token system + ThemeToggle (light/dark/system) + theme-tokens skill; (4) blog.cuberoot.me subdomain split-horizon DNS (nginx alias / GH Pages, WP legacy slug redirect); (5) Nemesizer goes server-side (dataset + algo into Hono, six endpoints + 24h nginx cache).

3x3 commutator analyzer (723-line CommutatorPage + 1131-line engine.ts + 497-line CSS). Same day /site goes backend (hardcoded sites.ts → nav_sites table + admin editor).

(1) /memo + /memo/colpi memory training (314-line v1 → same-day PG backend with colpi_words/votes + voting API + 11.7k-word mirror); (2) /scramble unified hub + /scramble/solver (cubeopt-wasm port); (3) /wca/historical + 7 cubing.pro-style stat subpages (grand slam / all / year / cohort / success rate / all events done / sum of ranks) shipped in one commit; (4) /recognize/:algSetId generic recognition route wired, trainer reworked as 41-set entry; (5) /code adds Java / JavaScript / Mojo + CompareScramble.

Single 24-file commit shipping 9 languages: C / C++ / Go / Kotlin / TypeScript / Rust / Python / Zig / Swift, plus CodeLandingPage + CompareAo5Page — 22294 lines added.

5 new routes: /visualcube full-feature image editor + /patterns library + /average + /gen + /today. Same day /alg → /tutorial wholesale rename + VisualCube as a service (esbuild + Node + /v1/visualcube.svg + service worker).

4-30: /prediction event theoretical-limits + forecasts (667-line PredictionPage + 317-line EventSection + 315-line charts.tsx). 5-1: /algdb (scrape from speedcubedb) + /prediction completed with TheoreticalLimitView. Concurrently /calendar gains list view + range filter + per-event round chips.

4-26: /timer rewritten in TypeScript from scratch (Kociemba + 2D preview + histogram + cstimer JSON I/O + full event coverage). 4-27: 116 commits in one day adding BLD / stage timing / smartcube BT / 3D preview / WCA inspection / share URL / mobile polish / CFOP multi-stage / cstimer gSolver port / 5 BLE protocols.

4-24: /sites navigation (2539-line sites.ts) + /mosaic generator (port from Roman-/mosaic) + /nemesizer v1 + /alg internal AlgCategoryPage. 4-25: Nemesizer completed (port from speedsolving wiki) + /wca/persons + /wca/persons/:wcaId (WcaPersonPicker 280k local index <20ms) + /wb world unofficial rankings.

389-line ScrambleStatsPage + 208-line DiscreteHistogram + new core/packages/scramble-stats-build/ package (240-line CSV → distribution.json builder).

AlgIndexPage list + AlgPostPage detail + AlgArticleView/Card/Chip/Content + useAlgCatalog hook + 681-line alg.css + 5 CaseCard/Modal/AlgsetView components.

4-16: /globe launches (903-line three.js earth showing upcoming comps) + Landing rewrite (-283/+155 lines slim-down + LandingCubeHero decorative 3D cube). 4-17 ~ 18: another 372 + 949 lines of rewriting, plus Milky Way background, marker clustering, search (368 lines).

4-6 from zero (819-line page + 800-line CSS + WebCodecs frame buffer hook). 4-7 wires up @ffmpeg/ffmpeg + WebCodecs GPU zero-drop hardware pipeline. 4-8 two-tier render fix with Gemini collaboration. 4-13 adds A-key dedup + IndexedDB MRU dir memory + two-phase thumbnails + pinch zoom. 4-14 timestamp-based start-frame back-calc + Mark + Solve bands. 4-15 VideoInfoPanels codec/audio/VFR diagnostics.

KDE / histogram / ridgeline / line — 4 views + multi-player comparison + zoom/pan. 3-22 adds cumulative histogram + card tooltips + line zoom/pan + Non-PR WR stat.

Four forks / ports in four days: HTH Calc (carykh/hthgrapher), Alg-Trainers (mihlefeld), csTimer (cs0x7f, GPL-3.0 self-hosted), 1v1 Battle (MatteoColombo/cube_challenge_timer).

/recon launches: a CSV-to-JSON solve library with 2017 solves from 89 cubers. Same day: WCA OAuth login + Firestore community storage.

Upcoming Comps page (later renamed /calendar): lists future competitions + top cubers attending + current/former WR badges + 24h cache.

The site evolved from a single index.html into one with a real homepage. Two entry cards (Solver / WCA Stats), plus i18n (en/zh).