chore(config): 更新项目构建与测试配置

- 升级 Next.js 配置，移除 webpackBuildWorker 实验特性
- 更新 Tailwind 设计令牌系统，对齐新品牌色与字体
- 配置 TypeScript strict 模式 (noUncheckedIndexedAccess)
- 更新 ESLint 规则与 Jest 测试配置
- 添加 prisma.config.ts 数据库配置

prisma.config.ts

@@ -0,0 +1,14 @@
+// This file was generated by Prisma, and assumes you have installed the following:
+// npm install --save-dev prisma dotenv
+import "dotenv/config";
+import { defineConfig } from "prisma/config";
+
+export default defineConfig({
+  schema: "prisma/schema.prisma",
+  migrations: {
+    path: "prisma/migrations",
+  },
+  datasource: {
+    url: process.env["DATABASE_URL"] || '',
+  },
+});