chore: 更新工具链与项目配置

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

playwright.config.ts

@@ -0,0 +1,39 @@
+import { defineConfig, devices } from "@playwright/test";
+
+const PORT = 4173;
+const BASE_URL = `http://127.0.0.1:${PORT}`;
+
+export default defineConfig({
+	testDir: "./tests/e2e",
+	fullyParallel: false,
+	forbidOnly: !!process.env.CI,
+	retries: 0,
+	workers: 1,
+	reporter: [["list"]],
+	use: {
+		baseURL: BASE_URL,
+		trace: "retain-on-failure",
+	},
+	projects: [
+		{
+			name: "chromium-desktop",
+			use: {
+				...devices["Desktop Chrome"],
+				viewport: { width: 1280, height: 720 },
+			},
+		},
+		{
+			name: "chromium-full",
+			use: {
+				...devices["Desktop Chrome"],
+				viewport: { width: 1920, height: 1080 },
+			},
+		},
+	],
+	webServer: {
+		command: "bun run build && bun run preview -- --host 127.0.0.1 --port 4173",
+		url: BASE_URL,
+		reuseExistingServer: !process.env.CI,
+		timeout: 120_000,
+	},
+});