feat: Hermit 1.1.0 — HERMIT_* env, Tauri desktop shell

Wire hermit_getenv across the engine, rebrand WebUI/systemd/docs, and
add apps/desktop (Tauri 2 + React) with a DeepSeek-Harness-like UI.
Qt app/ is frozen; full libcstcore FFI is scaffolded behind --features engine.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/desktop/vite.config.ts

@@ -0,0 +1,26 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+import path from "node:path";
+
+const host = process.env.TAURI_DEV_HOST;
+
+export default defineConfig({
+  plugins: [react()],
+  resolve: {
+    alias: { "@": path.resolve(__dirname, "src") },
+  },
+  clearScreen: false,
+  server: {
+    port: 1420,
+    strictPort: true,
+    host: host || false,
+    hmr: host ? { protocol: "ws", host, port: 1421 } : undefined,
+    watch: { ignored: ["**/src-tauri/**"] },
+  },
+  envPrefix: ["VITE_", "TAURI_"],
+  build: {
+    target: process.env.TAURI_ENV_PLATFORM === "windows" ? "chrome105" : "safari13",
+    minify: !process.env.TAURI_ENV_DEBUG ? "esbuild" : false,
+    sourcemap: !!process.env.TAURI_ENV_DEBUG,
+  },
+});