feat: add Tauri desktop builds, improve gameplay UX, and clean repo

README.md

@@ -5,7 +5,6 @@ Endless Sea is a small browser survival game built with HTML5 canvas, jQuery, an
 ## Play
 
 - Live demo: https://zbww.github.io/EndlessSea
-- Project report: https://zbww.github.io/EndlessSea/report.pdf
 - Original source reference: https://github.com/zbww/EndlessSea/blob/master/js/main.js
 
 ## How To Play
@@ -36,6 +35,31 @@ This project is static and does not require a build step.
 
 If your browser blocks autoplay audio, start the game with a click so music playback can begin normally.
 
+## Desktop Build
+
+The project now includes a Tauri desktop wrapper.
+
+Requirements:
+
+- Rust and Cargo
+- Bun
+- Linux desktop build dependencies required by Tauri on your distribution
+
+Useful commands:
+
+```bash
+bun install
+bun run build:web
+bun run tauri:build
+```
+
+Build artifacts are generated under `src-tauri/target/release/bundle/`.
+
+CI:
+
+- A Gitea Actions workflow now lives in `.gitea/workflows/desktop-builds.yml`.
+- Linux runners build native Linux bundles and cross-compile the Windows release target.
+
 ## Project Notes
 
 - Most visible game elements are generated dynamically in JavaScript.