fix: remove PWA service worker that breaks Stalwart /admin and /account mounts

vite.config.ts

@@ -1,7 +1,6 @@
 import { defineConfig } from 'vitest/config'
 import react from '@vitejs/plugin-react'
 import tailwindcss from '@tailwindcss/vite'
-import { VitePWA } from 'vite-plugin-pwa'
 import path from 'path'
 import { version } from './package.json'
 
@@ -10,35 +9,7 @@ export default defineConfig({
   define: {
     __APP_VERSION__: JSON.stringify(version),
   },
-  plugins: [
-    react(),
-    tailwindcss(),
-    VitePWA({
-      registerType: 'autoUpdate',
-      includeAssets: ['favicon.ico'],
-      manifest: {
-        name: 'Stalwart WebUI',
-        short_name: 'Stalwart',
-        description: 'Administration panel for Stalwart Mail Server',
-        start_url: '/',
-        scope: '/',
-        display: 'standalone',
-        theme_color: '#db2d54',
-        background_color: '#ffffff',
-        icons: [
-          { src: 'pwa/icon-192.png', sizes: '192x192', type: 'image/png', purpose: 'any' },
-          { src: 'pwa/icon-512.png', sizes: '512x512', type: 'image/png', purpose: 'any' },
-          { src: 'pwa/maskable-512.png', sizes: '512x512', type: 'image/png', purpose: 'maskable' },
-        ],
-      },
-      workbox: {
-        // /api and /jmap serve authenticated mail data: never precache or
-        // runtime-cache them, always hit the network so an installed PWA
-        // can't show stale or cross-account data from a previous session.
-        navigateFallbackDenylist: [/^\/api/, /^\/jmap/],
-      },
-    }),
-  ],
+  plugins: [react(), tailwindcss()],
   resolve: {
     alias: {
       '@': path.resolve(__dirname, './src'),
@@ -51,6 +22,10 @@ export default defineConfig({
       '/api': { target: 'http://localhost:8080', changeOrigin: true, ws: true },
       '/jmap': { target: 'http://localhost:8080', changeOrigin: true, ws: true },
     },
+    watch: {
+      // Release artifacts lock on Windows and crash the watcher (EBUSY).
+      ignored: ['**/webui.zip', '**/release_body.md'],
+    },
   },
   test: {
     globals: false,