refactor: 优化项目结构 — 修复拼写、提取共享 interceptor、扁平化 db 目录、清理空包

apps/server/AGENTS.md

@@ -54,24 +54,28 @@ bun test -t "pattern"      # Run tests matching pattern
 ```
 src/
 ├── client/                # Client-side code
-│   ├── orpc.ts            # ORPC isomorphic client
-│   └── query-client.ts    # TanStack Query client
+│   ├── orpc.ts            # ORPC isomorphic client (internal)
+│   └── query-client.ts    # TanStack Query utils (used by components)
 ├── components/            # React components
 ├── routes/                # TanStack Router file routes
 │   ├── __root.tsx         # Root layout
 │   ├── index.tsx          # Home page
 │   └── api/
-│       └── rpc.$.ts       # ORPC HTTP endpoint
+│       ├── $.ts           # OpenAPI handler + Scalar docs
+│       ├── health.ts      # Health check endpoint
+│       └── rpc.$.ts       # ORPC RPC handler
 ├── server/                # Server-side code
 │   ├── api/               # ORPC layer
 │   │   ├── contracts/     # Input/output schemas (Zod)
 │   │   ├── middlewares/   # Middleware (db provider, auth)
 │   │   ├── routers/       # Handler implementations
+│   │   ├── interceptors.ts # Shared error interceptors
 │   │   ├── context.ts     # Request context
 │   │   ├── server.ts      # ORPC server instance
 │   │   └── types.ts       # Type exports
 │   └── db/
 │       ├── schema/        # Drizzle table definitions
+│       ├── fields.ts      # Shared field builders (id, createdAt, updatedAt)
 │       ├── relations.ts   # Drizzle relations (defineRelations, RQBv2)
 │       └── index.ts       # Database instance (postgres-js driver)
 ├── env.ts                 # Environment variable validation
@@ -122,7 +126,7 @@ export const router = os.router({ feature })
 ### 4. Use in Components
 ```typescript
 import { useSuspenseQuery, useMutation } from '@tanstack/react-query'
-import { orpc } from '@/client/orpc'
+import { orpc } from '@/client/query-client'
 
 const { data } = useSuspenseQuery(orpc.feature.list.queryOptions())
 const mutation = useMutation(orpc.feature.create.mutationOptions())