feat: improve test & bundler (#14434)

#### PR Dependency Tree


* **PR #14434** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Introduced rspack bundler as an alternative to webpack for optimized
builds.

* **Tests & Quality**
* Added comprehensive editor semantic tests covering markdown, hotkeys,
and slash-menu operations.
* Expanded CI cross-browser testing to Chromium, Firefox, and WebKit;
improved shape-rendering tests to account for zoom.

* **Bug Fixes**
  * Corrected CSS overlay styling for development servers.
  * Fixed TypeScript typings for build tooling.

* **Other**
  * Document duplication now produces consistent "(n)" suffixes.
  * French i18n completeness increased to 100%.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

tools/cli/src/bundle-shared.ts

@@ -0,0 +1,77 @@
+import type { Configuration as WebpackDevServerConfiguration } from 'webpack-dev-server';
+
+export const RSPACK_SUPPORTED_PACKAGES = [
+  '@affine/admin',
+  '@affine/web',
+  '@affine/mobile',
+  '@affine/ios',
+  '@affine/android',
+  '@affine/electron-renderer',
+  '@affine/server',
+] as const;
+
+const rspackSupportedPackageSet = new Set<string>(RSPACK_SUPPORTED_PACKAGES);
+
+export function isRspackSupportedPackageName(name: string) {
+  return rspackSupportedPackageSet.has(name);
+}
+
+export function assertRspackSupportedPackageName(name: string) {
+  if (isRspackSupportedPackageName(name)) {
+    return;
+  }
+
+  throw new Error(
+    `AFFINE_BUNDLER=rspack currently supports: ${Array.from(RSPACK_SUPPORTED_PACKAGES).join(', ')}. Use AFFINE_BUNDLER=webpack for ${name}.`
+  );
+}
+
+const IN_CI = !!process.env.CI;
+const httpProxyMiddlewareLogLevel = IN_CI ? 'silent' : 'error';
+
+export const DEFAULT_DEV_SERVER_CONFIG: WebpackDevServerConfiguration = {
+  host: '0.0.0.0',
+  allowedHosts: 'all',
+  hot: false,
+  liveReload: true,
+  compress: !process.env.CI,
+  setupExitSignals: true,
+  client: {
+    overlay: process.env.DISABLE_DEV_OVERLAY === 'true' ? false : undefined,
+    logging: process.env.CI ? 'none' : 'error',
+    // see: https://webpack.js.org/configuration/dev-server/#websocketurl
+    // must be an explicit ws/wss URL because custom protocols (e.g. assets://)
+    // cannot be used to construct WebSocket endpoints in Electron
+    webSocketURL: 'ws://0.0.0.0:8080/ws',
+  },
+  historyApiFallback: {
+    rewrites: [
+      {
+        from: /.*/,
+        to: () => {
+          return process.env.SELF_HOSTED === 'true'
+            ? '/selfhost.html'
+            : '/index.html';
+        },
+      },
+    ],
+  },
+  proxy: [
+    {
+      context: '/api',
+      target: 'http://localhost:3010',
+      logLevel: httpProxyMiddlewareLogLevel,
+    },
+    {
+      context: '/socket.io',
+      target: 'http://localhost:3010',
+      ws: true,
+      logLevel: httpProxyMiddlewareLogLevel,
+    },
+    {
+      context: '/graphql',
+      target: 'http://localhost:3010',
+      logLevel: httpProxyMiddlewareLogLevel,
+    },
+  ],
+};