🎉 Initial commit: PiAgentUI — AI Agent Desktop & Web UI

A professional workspace for AI coding agents with:
- Real-time streaming chat with SSE
- Session management (fork, clone, tree navigation)
- MCP tools browser & metadata panel
- Skills browser (global, project, package sources)
- Voice input & STT provider configuration
- Integrated terminal & file explorer
- Model selector with capability metadata
- Keyboard-first UI with command palette
- 8 languages (en, pt-BR, es, ja, zh-CN, ar, bn, hi)
- Tauri 2 desktop app
- React 19 + TypeScript + Vite 8 + Tailwind CSS 4
- Pi Agent extension runtime

Originally forked from OpenCodeUI, now an independent project.
License: GPL-3.0-only

public/404.html

@@ -0,0 +1,26 @@
+<!doctype html>
+<html>
+  <head>
+    <meta charset="utf-8" />
+    <script>
+      // SPA redirect: GitHub Pages doesn't support client-side routing natively.
+      // This redirects all 404s back to index.html with the path preserved.
+      var pathSegmentsToKeep = 1 // '/OpenCodeUI' = 1 segment
+      var l = window.location
+      l.replace(
+        l.protocol +
+          '//' +
+          l.hostname +
+          (l.port ? ':' + l.port : '') +
+          l.pathname
+            .split('/')
+            .slice(0, 1 + pathSegmentsToKeep)
+            .join('/') +
+          '/?/' +
+          l.pathname.slice(1).split('/').slice(pathSegmentsToKeep).join('/').replace(/&/g, '~and~') +
+          (l.search ? '&' + l.search.slice(1).replace(/&/g, '~and~') : '') +
+          l.hash,
+      )
+    </script>
+  </head>
+</html>