chore: import upstream snapshot with attribution

tools/ui/vite.config.ts

@@ -0,0 +1,106 @@
+import tailwindcss from '@tailwindcss/vite';
+import { sveltekit } from '@sveltejs/kit/vite';
+import { SvelteKitPWA } from '@vite-pwa/sveltekit';
+import { dirname, resolve } from 'path';
+import { fileURLToPath } from 'url';
+
+import { defineConfig, searchForWorkspaceRoot } from 'vite';
+import { storybookTest } from '@storybook/addon-vitest/vitest-plugin';
+import { splashScreenPlugin } from './scripts/vite-plugin-splash-screen';
+import { buildInfoPlugin } from './scripts/vite-plugin-build-info';
+import { relativizeBasePlugin } from './scripts/vite-plugin-relativize-base';
+import { playwright } from '@vitest/browser-playwright';
+import { SVELTEKIT_PWA_OPTIONS } from './src/lib/constants/pwa';
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+
+const SERVER_ORIGIN = import.meta.env?.VITE_PUBLIC_SERVER_ORIGIN || 'http://localhost:8080';
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+const browserBaseConfig: any = {
+	enabled: true,
+	provider: playwright({
+		launchOptions: {
+			args: ['--no-sandbox']
+		}
+	}),
+	instances: [{ browser: 'chromium' }]
+};
+
+export default defineConfig({
+	resolve: {
+		alias: {
+			'katex-fonts': resolve('node_modules/katex/dist/fonts')
+		}
+	},
+
+	build: {
+		assetsInlineLimit: 32000,
+		chunkSizeWarningLimit: 3072,
+		minify: true
+	},
+
+	plugins: [
+		tailwindcss(),
+		sveltekit(),
+		SvelteKitPWA(SVELTEKIT_PWA_OPTIONS),
+		splashScreenPlugin(),
+		buildInfoPlugin(),
+		relativizeBasePlugin()
+	],
+
+	test: {
+		projects: [
+			{
+				extends: './vite.config.ts',
+				test: {
+					name: 'client',
+					browser: browserBaseConfig,
+					include: ['tests/client/**/*.svelte.{test,spec}.{js,ts}'],
+					setupFiles: ['./vitest-setup-client.ts']
+				}
+			},
+
+			{
+				extends: './vite.config.ts',
+				test: {
+					name: 'unit',
+					environment: 'node',
+					include: ['tests/unit/**/*.{test,spec}.{js,ts}']
+				}
+			},
+
+			{
+				extends: './vite.config.ts',
+				test: {
+					name: 'ui',
+					browser: { ...browserBaseConfig, instances: [{ browser: 'chromium', headless: true }] },
+					setupFiles: ['./.storybook/vitest.setup.ts']
+				},
+				plugins: [
+					storybookTest({
+						storybookScript: 'pnpm run storybook --no-open'
+					})
+				]
+			}
+		]
+	},
+
+	server: {
+		proxy: {
+			'/v1': SERVER_ORIGIN,
+			'/props': SERVER_ORIGIN,
+			'/models': SERVER_ORIGIN,
+			'/tools': SERVER_ORIGIN,
+			'/slots': SERVER_ORIGIN,
+			'/cors-proxy': SERVER_ORIGIN
+		},
+		headers: {
+			'Cross-Origin-Embedder-Policy': 'require-corp',
+			'Cross-Origin-Opener-Policy': 'same-origin'
+		},
+		fs: {
+			allow: [searchForWorkspaceRoot(process.cwd()), resolve(__dirname, 'tests')]
+		}
+	}
+});