refactor(client): 合并 orpc.ts 和 query-client.ts 为单文件，遵循 ORPC 官方模式

AGENTS.md

@@ -190,7 +190,7 @@ export const myTable = pgTable('my_table', {
 ├── apps/
 │   ├── server/           # TanStack Start fullstack app
 │   │   ├── src/
-│   │   │   ├── client/   # ORPC client, Query client
+│   │   │   ├── client/   # ORPC client + TanStack Query utils
 │   │   │   ├── components/
 │   │   │   ├── routes/   # File-based routing
 │   │   │   └── server/   # API layer + database

apps/server/AGENTS.md

@@ -54,8 +54,7 @@ bun test -t "pattern"      # Run tests matching pattern
 ```
 src/
 ├── client/                # Client-side code
-│   ├── orpc.ts            # ORPC isomorphic client (internal)
+│   └── orpc.ts            # ORPC client + TanStack Query utils (single entry point)
-│   └── query-client.ts    # TanStack Query utils (used by components)
 ├── components/            # React components
 ├── routes/                # TanStack Router file routes
 │   ├── __root.tsx         # Root layout
@@ -126,7 +125,7 @@ export const router = os.router({ feature })
 ### 4. Use in Components
 ```typescript
 import { useSuspenseQuery, useMutation } from '@tanstack/react-query'
-import { orpc } from '@/client/query-client'
+import { orpc } from '@/client/orpc'
 
 const { data } = useSuspenseQuery(orpc.feature.list.queryOptions())
 const mutation = useMutation(orpc.feature.create.mutationOptions())

apps/server/src/client/orpc.ts

@@ -1,6 +1,7 @@
 import { createORPCClient } from '@orpc/client'
 import { RPCLink } from '@orpc/client/fetch'
 import { createRouterClient } from '@orpc/server'
+import { createTanstackQueryUtils } from '@orpc/tanstack-query'
 import { createIsomorphicFn } from '@tanstack/react-start'
 import { getRequestHeaders } from '@tanstack/react-start/server'
 import { router } from '@/server/api/routers'
@@ -21,4 +22,32 @@ const getORPCClient = createIsomorphicFn()
     return createORPCClient<RouterClient>(link)
   })
 
-export const orpc: RouterClient = getORPCClient()
+const client: RouterClient = getORPCClient()
+
+export const orpc = createTanstackQueryUtils(client, {
+  experimental_defaults: {
+    todo: {
+      create: {
+        mutationOptions: {
+          onSuccess: (_, __, ___, ctx) => {
+            ctx.client.invalidateQueries({ queryKey: orpc.todo.list.key() })
+          },
+        },
+      },
+      update: {
+        mutationOptions: {
+          onSuccess: (_, __, ___, ctx) => {
+            ctx.client.invalidateQueries({ queryKey: orpc.todo.list.key() })
+          },
+        },
+      },
+      remove: {
+        mutationOptions: {
+          onSuccess: (_, __, ___, ctx) => {
+            ctx.client.invalidateQueries({ queryKey: orpc.todo.list.key() })
+          },
+        },
+      },
+    },
+  },
+})

apps/server/src/client/query-client.ts

@@ -1,30 +0,0 @@
-import { createTanstackQueryUtils } from '@orpc/tanstack-query'
-import { orpc as client } from './orpc'
-
-export const orpc = createTanstackQueryUtils(client, {
-  experimental_defaults: {
-    todo: {
-      create: {
-        mutationOptions: {
-          onSuccess: (_, __, ___, ctx) => {
-            ctx.client.invalidateQueries({ queryKey: orpc.todo.list.key() })
-          },
-        },
-      },
-      update: {
-        mutationOptions: {
-          onSuccess: (_, __, ___, ctx) => {
-            ctx.client.invalidateQueries({ queryKey: orpc.todo.list.key() })
-          },
-        },
-      },
-      remove: {
-        mutationOptions: {
-          onSuccess: (_, __, ___, ctx) => {
-            ctx.client.invalidateQueries({ queryKey: orpc.todo.list.key() })
-          },
-        },
-      },
-    },
-  },
-})

apps/server/src/routes/index.tsx

@@ -2,7 +2,7 @@ import { useMutation, useSuspenseQuery } from '@tanstack/react-query'
 import { createFileRoute } from '@tanstack/react-router'
 import type { ChangeEventHandler, SubmitEventHandler } from 'react'
 import { useState } from 'react'
-import { orpc } from '@/client/query-client'
+import { orpc } from '@/client/orpc'
 
 export const Route = createFileRoute('/')({
   component: Todos,