feat: 新增题材页面（列表 + 详情）

- 主页增加「题材热点」入口，跳转题材列表页
- 题材列表页：展示全部题材，支持按涨幅/强度/热度/成交额排序
- 题材详情页：简介、热点事件、相关新闻、板块涨跌统计、全部相关股票（含入选理由默认展开）
- 后端逆向封装东方财富题材接口 getThemeList/getDetail/getStockList，含交易时段感知缓存

Co-Authored-By: Claude <noreply@anthropic.com>

src/routeTree.gen.ts

@@ -9,11 +9,18 @@
 // Additionally, you should also exclude this file from your linter and/or formatter to prevent it from being checked or modified.
 
 import { Route as rootRouteImport } from './routes/__root'
+import { Route as ThemesRouteImport } from './routes/themes'
 import { Route as SectorsRouteImport } from './routes/sectors'
 import { Route as IndexRouteImport } from './routes/index'
+import { Route as ThemeCodeRouteImport } from './routes/theme.$code'
 import { Route as StockCodeRouteImport } from './routes/stock.$code'
 import { Route as ShareCodeRouteImport } from './routes/share.$code'
 
+const ThemesRoute = ThemesRouteImport.update({
+  id: '/themes',
+  path: '/themes',
+  getParentRoute: () => rootRouteImport,
+} as any)
 const SectorsRoute = SectorsRouteImport.update({
   id: '/sectors',
   path: '/sectors',
@@ -24,6 +31,11 @@ const IndexRoute = IndexRouteImport.update({
   path: '/',
   getParentRoute: () => rootRouteImport,
 } as any)
+const ThemeCodeRoute = ThemeCodeRouteImport.update({
+  id: '/theme/$code',
+  path: '/theme/$code',
+  getParentRoute: () => rootRouteImport,
+} as any)
 const StockCodeRoute = StockCodeRouteImport.update({
   id: '/stock/$code',
   path: '/stock/$code',
@@ -38,39 +50,73 @@ const ShareCodeRoute = ShareCodeRouteImport.update({
 export interface FileRoutesByFullPath {
   '/': typeof IndexRoute
   '/sectors': typeof SectorsRoute
+  '/themes': typeof ThemesRoute
   '/share/$code': typeof ShareCodeRoute
   '/stock/$code': typeof StockCodeRoute
+  '/theme/$code': typeof ThemeCodeRoute
 }
 export interface FileRoutesByTo {
   '/': typeof IndexRoute
   '/sectors': typeof SectorsRoute
+  '/themes': typeof ThemesRoute
   '/share/$code': typeof ShareCodeRoute
   '/stock/$code': typeof StockCodeRoute
+  '/theme/$code': typeof ThemeCodeRoute
 }
 export interface FileRoutesById {
   __root__: typeof rootRouteImport
   '/': typeof IndexRoute
   '/sectors': typeof SectorsRoute
+  '/themes': typeof ThemesRoute
   '/share/$code': typeof ShareCodeRoute
   '/stock/$code': typeof StockCodeRoute
+  '/theme/$code': typeof ThemeCodeRoute
 }
 export interface FileRouteTypes {
   fileRoutesByFullPath: FileRoutesByFullPath
-  fullPaths: '/' | '/sectors' | '/share/$code' | '/stock/$code'
+  fullPaths:
+    | '/'
+    | '/sectors'
+    | '/themes'
+    | '/share/$code'
+    | '/stock/$code'
+    | '/theme/$code'
   fileRoutesByTo: FileRoutesByTo
-  to: '/' | '/sectors' | '/share/$code' | '/stock/$code'
-  id: '__root__' | '/' | '/sectors' | '/share/$code' | '/stock/$code'
+  to:
+    | '/'
+    | '/sectors'
+    | '/themes'
+    | '/share/$code'
+    | '/stock/$code'
+    | '/theme/$code'
+  id:
+    | '__root__'
+    | '/'
+    | '/sectors'
+    | '/themes'
+    | '/share/$code'
+    | '/stock/$code'
+    | '/theme/$code'
   fileRoutesById: FileRoutesById
 }
 export interface RootRouteChildren {
   IndexRoute: typeof IndexRoute
   SectorsRoute: typeof SectorsRoute
+  ThemesRoute: typeof ThemesRoute
   ShareCodeRoute: typeof ShareCodeRoute
   StockCodeRoute: typeof StockCodeRoute
+  ThemeCodeRoute: typeof ThemeCodeRoute
 }
 
 declare module '@tanstack/react-router' {
   interface FileRoutesByPath {
+    '/themes': {
+      id: '/themes'
+      path: '/themes'
+      fullPath: '/themes'
+      preLoaderRoute: typeof ThemesRouteImport
+      parentRoute: typeof rootRouteImport
+    }
     '/sectors': {
       id: '/sectors'
       path: '/sectors'
@@ -85,6 +131,13 @@ declare module '@tanstack/react-router' {
       preLoaderRoute: typeof IndexRouteImport
       parentRoute: typeof rootRouteImport
     }
+    '/theme/$code': {
+      id: '/theme/$code'
+      path: '/theme/$code'
+      fullPath: '/theme/$code'
+      preLoaderRoute: typeof ThemeCodeRouteImport
+      parentRoute: typeof rootRouteImport
+    }
     '/stock/$code': {
       id: '/stock/$code'
       path: '/stock/$code'
@@ -105,8 +158,10 @@ declare module '@tanstack/react-router' {
 const rootRouteChildren: RootRouteChildren = {
   IndexRoute: IndexRoute,
   SectorsRoute: SectorsRoute,
+  ThemesRoute: ThemesRoute,
   ShareCodeRoute: ShareCodeRoute,
   StockCodeRoute: StockCodeRoute,
+  ThemeCodeRoute: ThemeCodeRoute,
 }
 export const routeTree = rootRouteImport
   ._addFileChildren(rootRouteChildren)