MultiNet v2 Demo UI Embed

[arushi-jain-27]

Summary

• Add MultiNet v2.0 content page (static/pages/Multinetv2.html) that embeds the playable MiniGrid R1 demo alongside scrollable research placeholders (abstract, table, figures, links).
• Vanilla JS player (static/js/play.js + play.css / v2.css) talks to the MultiNet-v2.0 game API.
• Site nav links to v2.0 - Spatial

Test plan

• Run the game API from MultiNet-v2.0 (uvicorn demo.api.app:app --reload --app-dir .)
• From this repo: python -m http.server 5500
• Open http://127.0.0.1:5500/static/pages/Multinetv2.html
• Splash → Enter/click play; keyboard + on-screen controls work (incl. DROP / Restart)
• Click board for keys; scroll away and arrows no longer control the game
• Scroll below the game: abstract / sample results / figures / resources visible
• Prev/next switches tasks; URL ?task= updates
• Solve or fail a maze; end overlay appears over the grid with R1 compare
• Press tab to check current config (frozen for R1)
• Press M for model-view (maze description/ text summary etc)
• Check sound and visual effects are working
• From home sidebar (http://127.0.0.1:5500/index.html) → Benchmark Releases → v2.0 - Spatial reaches this page

Notes

• Requires a locally running (or deployed) MultiNet-v2.0 API; default http://127.0.0.1:8000 (override with ?api=).
• Pairs with MultiNet-v2.0 game API PR: APIs for Demo UI MultiNet-v2.0#44