Fix What's New dialog layout and improve dev styling/debugging.

Portal the updates dialog to document.body with stable data attributes,
fix max-width (invalid S800 token), bundle update images for Capacitor,
and add readable vanilla-extract class names plus portalContainer tap fixes.

vite.config.js

@@ -11,6 +11,10 @@ import fs from 'fs';
 import path from 'path';
 import buildConfig from './build.config';
 import { liveTsxPlugin, readDefaultLiveSource } from './playground-liveTsxPlugin';
+import {
+  createReadableVanillaExtractIdentifiers,
+  vanillaExtractDebugIdsPlugin,
+} from './vanillaExtractIdentifiers.js';
 
 const projectRoot = path.resolve();
 
@@ -252,7 +256,7 @@ function corsProxyMiddleware() {
   };
 }
 
-export default defineConfig({
+export default defineConfig(() => ({
   appType: 'spa',
   publicDir: false,
   base: buildConfig.base,
@@ -304,7 +308,15 @@ export default defineConfig({
       promiseImportName: (i) => `__tla_${i}`,
     }),
     viteStaticCopy(copyFiles),
-    vanillaExtractPlugin(),
+    ...(process.env.VITE_VE_IDENTIFIERS === 'short' ? [] : [vanillaExtractDebugIdsPlugin()]),
+    vanillaExtractPlugin({
+      unstable_pluginFilter: ({ name }) =>
+        name === 'vite-tsconfig-paths' || name === 'vanilla-extract-debug-ids',
+      identifiers:
+        process.env.VITE_VE_IDENTIFIERS === 'short'
+          ? 'short'
+          : createReadableVanillaExtractIdentifiers(projectRoot),
+    }),
     wasm(),
     react(),
     VitePWA({
@@ -359,4 +371,4 @@ export default defineConfig({
       plugins: [inject({ Buffer: ['buffer', 'Buffer'] })],
     },
   },
-});
+}));