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.

package.json

@@ -9,7 +9,7 @@
   },
   "scripts": {
     "start": "vite",
-    "build": "vite build",
+    "build": "node scripts/generate-update-manifest.mjs && vite build",
     "lint": "yarn check:eslint && yarn check:prettier",
     "check:eslint": "eslint src/*",
     "check:prettier": "prettier --check .",

scripts/generate-update-manifest.mjs

@@ -0,0 +1,114 @@
+#!/usr/bin/env node
+/**
+ * Regenerates public/update/manifest.json from markdown files.
+ *
+ * - currentupdate.md is always the "current" entry
+ * - Other *.md files matching X.Y.Z.md become "older" (sorted newest first)
+ * - title, date, version come from YAML frontmatter when present
+ */
+
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const ROOT = path.resolve(__dirname, '..');
+const UPDATE_DIR = path.join(ROOT, 'public', 'update');
+const MANIFEST_PATH = path.join(UPDATE_DIR, 'manifest.json');
+const CURRENT_FILE = 'currentupdate.md';
+const VERSION_FILE_RE = /^(\d+\.\d+\.\d+)\.md$/;
+
+const FRONTMATTER_RE = /^---\r?\n([\s\S]*?)\r?\n---\r?\n?/;
+
+function parseFrontmatter(source) {
+  const match = FRONTMATTER_RE.exec(source.trimStart());
+  if (!match) return {};
+
+  const frontmatter = {};
+  match[1].split('\n').forEach((line) => {
+    const colon = line.indexOf(':');
+    if (colon <= 0) return;
+    const key = line.slice(0, colon).trim();
+    const raw = line.slice(colon + 1).trim();
+    frontmatter[key] = raw.replace(/^['"]|['"]$/g, '');
+  });
+  return frontmatter;
+}
+
+function compareVersions(a, b) {
+  const pa = a.split('.').map((part) => Number.parseInt(part, 10));
+  const pb = b.split('.').map((part) => Number.parseInt(part, 10));
+  const len = Math.max(pa.length, pb.length);
+
+  for (let i = 0; i < len; i += 1) {
+    const na = pa[i] ?? 0;
+    const nb = pb[i] ?? 0;
+    if (na !== nb) return nb - na;
+  }
+  return 0;
+}
+
+function readMarkdownMeta(fileName) {
+  const filePath = path.join(UPDATE_DIR, fileName);
+  const source = fs.readFileSync(filePath, 'utf8');
+  const frontmatter = parseFrontmatter(source);
+  const versionFromName = VERSION_FILE_RE.exec(fileName)?.[1];
+
+  return {
+    file: fileName,
+    version: frontmatter.version ?? versionFromName,
+    title: frontmatter.title,
+    date: frontmatter.date,
+  };
+}
+
+function buildManifest() {
+  if (!fs.existsSync(UPDATE_DIR)) {
+    throw new Error(`Update directory not found: ${UPDATE_DIR}`);
+  }
+
+  const currentPath = path.join(UPDATE_DIR, CURRENT_FILE);
+  if (!fs.existsSync(currentPath)) {
+    throw new Error(`Missing ${CURRENT_FILE} in ${UPDATE_DIR}`);
+  }
+
+  const older = fs
+    .readdirSync(UPDATE_DIR, { withFileTypes: true })
+    .filter((entry) => entry.isFile() && VERSION_FILE_RE.test(entry.name))
+    .map((entry) => readMarkdownMeta(entry.name))
+    .filter((entry) => entry.version)
+    .sort((a, b) => compareVersions(a.version, b.version));
+
+  return {
+    current: CURRENT_FILE,
+    older: older.map(({ file, version, title, date }) => {
+      const item = { file };
+      if (version) item.version = version;
+      if (title) item.title = title;
+      if (date) item.date = date;
+      return item;
+    }),
+  };
+}
+
+function main() {
+  const manifest = buildManifest();
+  const json = `${JSON.stringify(manifest, null, 2)}\n`;
+
+  let previous = null;
+  if (fs.existsSync(MANIFEST_PATH)) {
+    previous = fs.readFileSync(MANIFEST_PATH, 'utf8');
+  }
+
+  if (previous === json) {
+    console.log('[update-manifest] manifest.json is already up to date');
+    return;
+  }
+
+  fs.writeFileSync(MANIFEST_PATH, json, 'utf8');
+  console.log(
+    `[update-manifest] wrote manifest.json (${manifest.older.length} older version(s))`
+  );
+}
+
+main();

src/app/components/Modal500.tsx

@@ -1,7 +1,9 @@
 import React, { ReactNode, useCallback, useState } from 'react';
 import FocusTrap from 'focus-trap-react';
+import { useAtomValue } from 'jotai';
 import { Modal, Overlay, OverlayBackdrop, OverlayCenter, PopOutContainerProvider } from 'folds';
 import { stopPropagation } from '../utils/keyboard';
+import { releaseNotesDialogAtom } from '../state/releaseNotes';
 
 type Modal500Props = {
   requestClose: () => void;
@@ -10,11 +12,13 @@ type Modal500Props = {
 export function Modal500({ requestClose, children }: Modal500Props) {
   const [modalEl, setModalEl] = useState<HTMLDivElement | null>(null);
   const modalRef = useCallback((el: HTMLDivElement | null) => setModalEl(el), []);
+  const releaseNotesOpen = useAtomValue(releaseNotesDialogAtom).open;
 
   return (
     <Overlay open backdrop={<OverlayBackdrop />}>
       <OverlayCenter>
         <FocusTrap
+          active={!releaseNotesOpen}
           focusTrapOptions={{
             initialFocus: false,
             clickOutsideDeactivates: true,

src/app/components/page/Page.tsx

@@ -16,6 +16,7 @@ type PageRootProps = {
 export function PageRoot({ nav, children }: PageRootProps) {
   const screenSize = useScreenSizeContext();
   const showCompactMaster = useShowCompactMasterView();
+  const showDetail = !showCompactMaster || nav == null;
 
   return (
     <Box grow="Yes" className={ContainerColor({ variant: 'Background' })}>
@@ -23,7 +24,7 @@ export function PageRoot({ nav, children }: PageRootProps) {
       {screenSize !== ScreenSize.Mobile && (
         <Line variant="Background" size="300" direction="Vertical" />
       )}
-      {!showCompactMaster && children}
+      {showDetail && children}
     </Box>
   );
 }

src/app/components/updates-dialog/UpdatesDialog.css.ts

@@ -3,31 +3,64 @@ import { color, config, toRem } from 'folds';
 
 const MOBILE_BREAKPOINT = '480px';
 
-/** Dialog height cap — 85% of the viewport, minus safe areas. */
+/** Above folds overlays (9999) and Settings modals. */
+const UPDATES_DIALOG_Z = 10001;
+
 const DIALOG_MAX_HEIGHT =
   'calc(85vh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px))';
 
-export const OverlayFrame = style({
+/** [data-updates-dialog] — full-screen host portaled to document.body */
+export const Root = style({
+  position: 'fixed',
+  inset: 0,
+  zIndex: UPDATES_DIALOG_Z,
+  display: 'flex',
+  alignItems: 'center',
+  justifyContent: 'center',
+  pointerEvents: 'auto',
+});
+
+/** [data-updates-dialog-backdrop] */
+export const Backdrop = style({
+  position: 'absolute',
+  inset: 0,
+  zIndex: 0,
+  backgroundColor: 'rgba(0, 0, 0, 0.55)',
+});
+
+/** [data-updates-dialog-frame] */
+export const Frame = style({
+  position: 'relative',
+  zIndex: 1,
   boxSizing: 'border-box',
+  display: 'flex',
+  alignItems: 'center',
+  justifyContent: 'center',
+  width: '100%',
   maxHeight: '100vh',
   maxWidth: '100vw',
   padding:
     'env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px)',
+  pointerEvents: 'none',
 });
 
-export const DialogShell = style({
+/** [data-updates-dialog-panel] */
+export const Panel = style({
   position: 'relative',
   display: 'flex',
   flexDirection: 'column',
   width: '100%',
-  maxWidth: `min(${toRem(560)}, calc(100vw - ${config.space.S800}))`,
+  maxWidth: toRem(560),
   maxHeight: DIALOG_MAX_HEIGHT,
   overflow: 'hidden',
+  pointerEvents: 'auto',
+  borderRadius: config.radii.R400,
   backgroundColor: color.Surface.Container,
   color: color.Surface.OnContainer,
+  boxShadow: config.shadow.E400,
   '@media': {
     [`(max-width: ${MOBILE_BREAKPOINT})`]: {
-      maxWidth: `calc(100vw - ${config.space.S400})`,
+      maxWidth: `calc(100vw - 2 * ${config.space.S400})`,
     },
   },
 });
@@ -96,7 +129,7 @@ export const BodyContent = style({
 });
 
 export const BodyLoading = style({
-  padding: config.space.S800,
+  padding: config.space.S600,
 });
 
 export const Markdown = style({
@@ -159,7 +192,7 @@ globalStyle(`${Markdown} code`, {
   fontFamily: 'ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace',
   fontSize: toRem(13),
   padding: `0 ${config.space.S100}`,
-  borderRadius: config.radii.R200,
+  borderRadius: config.radii.R300,
   backgroundColor: color.SurfaceVariant.Container,
   color: color.SurfaceVariant.OnContainer,
 });

src/app/components/updates-dialog/UpdatesDialog.tsx

@@ -1,17 +1,7 @@
 import React, { useState } from 'react';
+import { createPortal } from 'react-dom';
 import FocusTrap from 'focus-trap-react';
-import {
+import { Box, Button, IconButton, Scroll, Spinner, Text } from 'folds';
-  Box,
-  Button,
-  Dialog,
-  IconButton,
-  Overlay,
-  OverlayBackdrop,
-  OverlayCenter,
-  Scroll,
-  Spinner,
-  Text,
-} from 'folds';
 import { Icon, Icons } from '../icons';
 import { stopPropagation } from '../../utils/keyboard';
 import type { ParsedUpdateDoc, UpdateManifest } from '../../data/updateNotes';
@@ -46,24 +36,35 @@ export function UpdatesDialog({
     setShowOlderList(false);
   };
 
-  return (
+  return createPortal(
-    <Overlay open backdrop={<OverlayBackdrop />}>
+    <div
-      <OverlayCenter className={css.OverlayFrame}>
+      data-updates-dialog=""
+      className={css.Root}
+      data-disable-swipe-back="true"
+      data-disable-swipe-reply="true"
+    >
+      <div data-updates-dialog-backdrop="" className={css.Backdrop} aria-hidden="true" />
+      <div data-updates-dialog-frame="" className={css.Frame}>
         <FocusTrap
           focusTrapOptions={{
             initialFocus: false,
-            onDeactivate: onClose,
+            clickOutsideDeactivates: false,
-            clickOutsideDeactivates: true,
             escapeDeactivates: stopPropagation,
           }}
         >
-          <Dialog variant="Surface" className={css.DialogShell}>
+          <div
+            role="dialog"
+            aria-modal="true"
+            aria-labelledby="updates-dialog-title"
+            data-updates-dialog-panel=""
+            className={css.Panel}
+          >
             <Box className={css.Hero}>
               <Box className={css.HeroRow}>
                 <img className={css.HeroLogo} src={PaarrotSVG} alt="" draggable={false} />
                 <Box className={css.HeroTitleWrap}>
                   <Text size="L400" priority="300">What&apos;s new</Text>
-                  <Text size="H4" truncate>
+                  <Text id="updates-dialog-title" size="H4" truncate>
                     {displayVersion ? `Paarrot ${displayVersion}` : 'Paarrot updates'}
                   </Text>
                 </Box>
@@ -173,9 +174,10 @@ export function UpdatesDialog({
                 <Icon src={Icons.Cross} />
               </IconButton>
             </Box>
-          </Dialog>
+          </div>
         </FocusTrap>
-      </OverlayCenter>
+      </div>
-    </Overlay>
+    </div>,
+    document.body
   );
 }

src/app/components/updates-dialog/UpdatesDialogHost.tsx

@@ -26,7 +26,10 @@ type UpdaterInfo = {
 export function useOpenReleaseNotesDialog(): () => void {
   const setDialogState = useSetAtom(releaseNotesDialogAtom);
   return useCallback(() => {
-    setDialogState({ open: true, manual: true });
+    // Defer so the opening tap does not trip FocusTrap click-outside on Android.
+    window.requestAnimationFrame(() => {
+      setDialogState({ open: true, manual: true });
+    });
   }, [setDialogState]);
 }
 
@@ -41,6 +44,11 @@ export function UpdatesDialogHost() {
     setManifest(null);
     setActiveDoc(null);
     setLoading(false);
+    getAppVersion().then((version) => {
+      if (version !== 'unknown') {
+        setLastSeenAppVersion(version);
+      }
+    });
   }, [setDialogState]);
 
   const selectFile = useCallback(async (file: string) => {
@@ -73,7 +81,7 @@ export function UpdatesDialogHost() {
       if (cancelled || currentVersion === 'unknown') return;
 
       const lastSeen = getLastSeenAppVersion();
-      const shouldAutoShow = Boolean(lastSeen && lastSeen !== currentVersion);
+      const shouldAutoShow = lastSeen !== currentVersion;
 
       if (shouldAutoShow) {
         const loadedManifest = await loadUpdateManifest();
@@ -87,10 +95,6 @@ export function UpdatesDialogHost() {
         setDialogState({ open: true, manual: false });
         clearPendingReleaseNotes();
       }
-
-      if (!lastSeen || lastSeen !== currentVersion) {
-        setLastSeenAppVersion(currentVersion);
-      }
     };
 
     const timer = window.setTimeout(checkVersion, 1500);

src/app/data/updateNotes.ts

@@ -1,6 +1,27 @@
+import bundledManifest from '../../../public/update/manifest.json';
 import { trimTrailingSlash } from '../utils/common';
 
-const UPDATE_BASE_PATH = `${trimTrailingSlash(import.meta.env.BASE_URL)}/update`;
+const bundledMarkdownByFile = import.meta.glob('../../../public/update/*.md', {
+  query: '?raw',
+  import: 'default',
+  eager: true,
+}) as Record<string, string>;
+
+const bundledImageByFile = import.meta.glob('../../../public/update/images/*', {
+  import: 'default',
+  eager: true,
+}) as Record<string, string>;
+
+function getUpdateBaseUrl(): string {
+  const basePath = trimTrailingSlash(import.meta.env.BASE_URL || './');
+  const relative =
+    basePath === '.' || basePath === '' ? 'update/' : `${basePath}/update/`;
+  return new URL(relative, window.location.href).href.replace(/\/$/, '');
+}
+
+function getUpdateFileUrl(file: string): string {
+  return new URL(file, `${getUpdateBaseUrl()}/`).href;
+}
 
 export type UpdateManifestEntry = {
   file: string;
@@ -55,27 +76,66 @@ function parseUpdateMarkdown(file: string, source: string): ParsedUpdateDoc {
   };
 }
 
+function loadBundledManifest(): UpdateManifest {
+  const manifest = bundledManifest as UpdateManifest;
+  return {
+    current: manifest.current,
+    older: (manifest.older ?? []).filter((entry) => entry?.file),
+  };
+}
+
+function loadBundledDocument(file: string): ParsedUpdateDoc | null {
+  const safeFile = file.replace(/^\/+/, '');
+  const entry = Object.entries(bundledMarkdownByFile).find(([path]) =>
+    path.endsWith(`/${safeFile}`)
+  );
+  if (!entry) return null;
+  return parseUpdateMarkdown(safeFile, entry[1]);
+}
+
+function resolveBundledImageUrl(normalizedPath: string): string | undefined {
+  const needle = normalizedPath.replace(/^\/+/, '');
+  if (!needle) return undefined;
+
+  const entry = Object.entries(bundledImageByFile).find(([path]) => {
+    const normalized = path.replace(/\\/g, '/');
+    return normalized.endsWith(`/${needle}`) || normalized.endsWith(`/${needle.split('/').pop() ?? ''}`);
+  });
+
+  return entry?.[1];
+}
+
 export function resolveUpdateAssetUrl(src: string | undefined): string | undefined {
   if (!src) return undefined;
-  if (/^(https?:|data:|blob:)/i.test(src)) return src;
+  if (/^(https?:|data:|blob:|capacitor:)/i.test(src)) return src;
+
+  const normalized = src.replace(/^\.\//, '').replace(/^\/+/, '');
+  const bundled = resolveBundledImageUrl(normalized);
+  if (bundled) return bundled;
+
   if (src.startsWith('/')) return src;
 
-  const normalized = src.replace(/^\.\//, '');
+  return new URL(normalized, `${getUpdateBaseUrl()}/`).href;
-  return `${UPDATE_BASE_PATH}/${normalized}`;
 }
 
 export async function loadUpdateManifest(): Promise<UpdateManifest | null> {
   try {
-    const response = await fetch(`${UPDATE_BASE_PATH}/manifest.json`, { cache: 'no-cache' });
+    const response = await fetch(getUpdateFileUrl('manifest.json'), { cache: 'no-cache' });
-    if (!response.ok) return null;
+    if (response.ok) {
+      const data = (await response.json()) as UpdateManifest;
+      if (data?.current && Array.isArray(data.older)) {
+        return {
+          current: data.current,
+          older: data.older.filter((entry) => entry?.file),
+        };
+      }
+    }
+  } catch {
+    // fall through to bundled copy (Capacitor / offline)
+  }
 
-    const data = (await response.json()) as UpdateManifest;
+  try {
-    if (!data?.current || !Array.isArray(data.older)) return null;
+    return loadBundledManifest();
-
-    return {
-      current: data.current,
-      older: data.older.filter((entry) => entry?.file),
-    };
   } catch {
     return null;
   }
@@ -86,14 +146,16 @@ export async function loadUpdateDocument(file: string): Promise<ParsedUpdateDoc
   if (!safeFile || safeFile.includes('..')) return null;
 
   try {
-    const response = await fetch(`${UPDATE_BASE_PATH}/${safeFile}`, { cache: 'no-cache' });
+    const response = await fetch(getUpdateFileUrl(safeFile), { cache: 'no-cache' });
-    if (!response.ok) return null;
+    if (response.ok) {
-
+      const source = await response.text();
-    const source = await response.text();
+      return parseUpdateMarkdown(safeFile, source);
-    return parseUpdateMarkdown(safeFile, source);
+    }
   } catch {
-    return null;
+    // fall through to bundled copy
   }
+
+  return loadBundledDocument(safeFile);
 }
 
 export async function loadCurrentUpdateDocument(): Promise<ParsedUpdateDoc | null> {

src/app/features/settings/about/About.tsx

@@ -21,6 +21,9 @@ export function About({ requestClose }: AboutProps) {
   const [version, setVersion] = useState<string>('');
   const [protocolStatus, setProtocolStatus] = useState<string>('Checking desktop protocol integration...');
   const [protocolBusy, setProtocolBusy] = useState<boolean>(false);
+  const [updatePreview, setUpdatePreview] = useState<{ title: string; description: string } | null>(
+    null
+  );
 
   const formatProtocolStatus = useCallback((data: {
     scheme: string;
@@ -101,8 +104,6 @@ export function About({ requestClose }: AboutProps) {
     getCurrentUpdatePreview().then(setUpdatePreview).catch(() => setUpdatePreview(null));
   }, [refreshProtocolStatus]);
 
-  const [updatePreview, setUpdatePreview] = useState<{ title: string; description: string } | null>(null);
-
   return (
     <Page>
       <PageHeader outlined={false}>

src/app/pages/client/ClientNonUIFeatures.tsx

@@ -699,10 +699,10 @@ export function ClientNonUIFeatures({ children }: ClientNonUIFeaturesProps) {
       <MessageNotifications />
       <BackgroundSyncSetup />
       <PaarrotAPIInitializer />
-      <UpdatesDialogHost />
       <TaskbarFlashStopper />
       <AndroidShareIntentHandler />
       {children}
+      <UpdatesDialogHost />
     </>
   );
 }

src/app/utils/profileFields.ts

@@ -152,7 +152,7 @@ export async function loadColorPreference(
 }
 
 export function extractMemberColorPreference(room: Room | undefined, userId: string): ColorPreference | undefined {
-  if (!room) return undefined;
+  if (!room || typeof (room as Room).getMember !== 'function' || !userId) return undefined;
   const member = room.getMember(userId);
   const content = member?.events.member?.getContent();
   if (!content) return undefined;

src/index.css

@@ -147,6 +147,27 @@ body.stationery-dark-theme {
   background-color: #262626;
 }
 
+/*
+ * Folds Overlay / PopOut portals mount here. The container must not steal taps;
+ * only its children should. Empty portal shells (e.g. closed overlays) must not
+ * block dialogs portaled elsewhere.
+ */
+#portalContainer {
+  position: fixed;
+  inset: 0;
+  z-index: 9998;
+  pointer-events: none;
+  overflow: hidden;
+}
+
+#portalContainer > * {
+  pointer-events: auto;
+}
+
+#portalContainer > *:empty {
+  pointer-events: none !important;
+}
+
 .twilight-theme #root {
   background: linear-gradient(180deg, rgba(28, 26, 46, 0.5) 0%, rgba(36, 34, 61, 0.3) 100%);
 }

vanillaExtractIdentifiers.js

@@ -0,0 +1,101 @@
+import path from 'path';
+import { transformAsync } from '@babel/core';
+import vanillaBabelPlugin from '@vanilla-extract/babel-plugin-debug-ids';
+import typescriptSyntax from '@babel/plugin-syntax-typescript';
+
+const CSS_TS_FILTER = /\.css\.(js|cjs|mjs|jsx|ts|tsx)(\?.*)?$/;
+
+/** Slug for vanilla-extract class names (letters, digits, _, -). */
+function sanitizeIdentifierPart(value) {
+  return String(value)
+    .replace(/\s/g, '_')
+    .replace(/[^a-zA-Z0-9_-]/g, '_')
+    .replace(/_+/g, '_')
+    .replace(/^_+|_+$/g, '');
+}
+
+function fileScopeSlug(filePath, projectRoot, packageName) {
+  const absolute = path.isAbsolute(filePath) ? filePath : path.join(projectRoot, filePath);
+  const normalized = absolute.replace(/\\/g, '/');
+  const srcRoot = path.join(projectRoot, 'src').replace(/\\/g, '/');
+
+  let rel;
+  if (normalized.startsWith(srcRoot)) {
+    rel = path.relative(path.join(projectRoot, 'src'), absolute);
+  } else if (normalized.includes('/src/')) {
+    rel = normalized.split('/src/').pop();
+  } else if (packageName) {
+    rel = path.join(packageName, path.basename(absolute));
+  } else {
+    rel = path.relative(projectRoot, absolute);
+  }
+
+  return sanitizeIdentifierPart(
+    String(rel)
+      .replace(/\\/g, '/')
+      .replace(/\.css\.(ts|tsx|js|cjs|mjs|jsx)$/i, '')
+      .replace(/\//g, '_')
+  );
+}
+
+function finalizeIdentifier(parts) {
+  let name = parts.filter(Boolean).join('_');
+  if (!name) {
+    name = 've_style';
+  }
+  if (/^[0-9]/.test(name)) {
+    name = `_${name}`;
+  }
+  if (!/^[A-Z_][0-9A-Z_-]+$/i.test(name)) {
+    name = `ve_${name}`;
+  }
+  return name;
+}
+
+/**
+ * Human-readable vanilla-extract class names without hash suffixes.
+ * Example: app_components_updates_dialog_UpdatesDialog_Root
+ */
+export function createReadableVanillaExtractIdentifiers(projectRoot) {
+  return function readableVanillaExtractIdentifier({ debugId, filePath, packageName, hash }) {
+    const scope = fileScopeSlug(filePath, projectRoot, packageName);
+    const exportName = debugId ? sanitizeIdentifierPart(debugId) : '';
+
+    if (exportName) {
+      return finalizeIdentifier([scope, exportName]);
+    }
+
+    // Unnamed styles (rare): keep a short disambiguator from the scoped hash.
+    const suffix = sanitizeIdentifierPart(String(hash).replace(/^_/, ''));
+    return finalizeIdentifier([scope, suffix]);
+  };
+}
+
+/**
+ * Injects export names into style() calls so readable identifiers can use them.
+ * Required when identifiers is a function — vanilla-extract only runs this for identOption === 'debug'.
+ */
+export function vanillaExtractDebugIdsPlugin() {
+  return {
+    name: 'vanilla-extract-debug-ids',
+    enforce: 'pre',
+    async transform(code, id) {
+      if (!CSS_TS_FILTER.test(id)) {
+        return null;
+      }
+
+      const result = await transformAsync(code, {
+        filename: id,
+        plugins: [vanillaBabelPlugin, typescriptSyntax],
+        configFile: false,
+        babelrc: false,
+      });
+
+      if (!result?.code) {
+        return null;
+      }
+
+      return { code: result.code, map: result.map };
+    },
+  };
+}

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();
 
@@ -56,7 +60,8 @@ const copyFiles = {
     {
       src: 'public/update/**/*',
       dest: 'update',
-      rename: (_name, _ext, fullPath) => fullPath.replace(/^public[/\\]update[/\\]/, ''),
+      // stripBase removes public/update from the matched path; rename alone only changes the filename.
+      rename: { stripBase: 2 },
     },
   ],
 };
@@ -251,7 +256,7 @@ function corsProxyMiddleware() {
   };
 }
 
-export default defineConfig({
+export default defineConfig(() => ({
   appType: 'spa',
   publicDir: false,
   base: buildConfig.base,
@@ -303,7 +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({
@@ -358,4 +371,4 @@ export default defineConfig({
       plugins: [inject({ Buffer: ['buffer', 'Buffer'] })],
     },
   },
-});
+}));