refactor: 统一客户端类型定义并增强类型一致性

- 更新客户端类型以使用定义的 APIClient 类型并确保类型一致性
- 添加类型定义以导出基于路由配置的客户端类型。

src/orpc/client.ts

@@ -5,6 +5,7 @@ import { createTanstackQueryUtils } from '@orpc/tanstack-query'
 import { createIsomorphicFn } from '@tanstack/react-start'
 import { getRequestHeaders } from '@tanstack/react-start/server'
 import { router } from './router'
+import type { APIClient } from './types'
 
 const getORPCClient = createIsomorphicFn()
   .server(() =>
@@ -18,9 +19,9 @@ const getORPCClient = createIsomorphicFn()
     const link = new RPCLink({
       url: `${window.location.origin}/api/rpc`,
     })
-    return createORPCClient<RouterClient<typeof router>>(link)
+    return createORPCClient<APIClient>(link)
   })
 
-const client = getORPCClient()
+const client: APIClient = getORPCClient()
 
 export const orpc = createTanstackQueryUtils(client)

src/orpc/types.ts

@@ -0,0 +1,4 @@
+import type { RouterClient } from '@orpc/server'
+import type { router } from './router'
+
+export type APIClient = RouterClient<typeof router>