feat: 更新分期方案初始化脚本，匹配最新表结构

- 更新表名和字段名为小写格式
- 修正字段类型以匹配实体类定义
- 新增缺失字段：scheme_type, down_payment_ratio等
- 添加索引优化查询性能
- 完善表和字段注释

LCXiaoguan-ui/uno.config.ts

@@ -0,0 +1,33 @@
+import {
+  defineConfig,
+  presetAttributify,
+  presetIcons,
+  presetTypography,
+  presetUno,
+  presetWebFonts,
+  transformerDirectives,
+  transformerVariantGroup
+} from 'unocss';
+
+export default defineConfig({
+  shortcuts: {
+    'panel-title':
+      'pb-[5px] font-sans leading-[1.1] font-medium text-base text-[#6379bb] border-b border-b-solid border-[var(--el-border-color-light)] mb-5 mt-0'
+  },
+  theme: {
+    colors: {
+      primary: 'var(--el-color-primary)',
+      primary_dark: 'var(--el-color-primary-light-5)'
+    }
+  },
+  presets: [
+    presetUno(),
+    presetAttributify(),
+    presetIcons(),
+    presetTypography(),
+    presetWebFonts({
+      fonts: {}
+    })
+  ],
+  transformers: [transformerDirectives(), transformerVariantGroup()]
+});