feat(api): 添加Ticket和Version模块路由

- 引入TicketRouter和VersionRouter
- 将TicketRouter和VersionRouter加入SYSTEM_MODULES路由列表
- 移除未使用的ResourceRouter导入声明

backend/app/api/v1/module_system/version/schema.py

@@ -0,0 +1,42 @@
+from pydantic import BaseModel
+from typing import Optional
+from datetime import datetime
+
+
+class VersionCreate(BaseModel):
+    """创建版本"""
+    version_number: str
+    title: str
+    description: Optional[str] = None
+    release_notes: Optional[str] = None
+    status: Optional[str] = "draft"
+    project: Optional[str] = None
+    released_at: Optional[datetime] = None
+
+
+class VersionUpdate(BaseModel):
+    """更新版本"""
+    version_number: Optional[str] = None
+    title: Optional[str] = None
+    description: Optional[str] = None
+    release_notes: Optional[str] = None
+    status: Optional[str] = None
+    project: Optional[str] = None
+    released_at: Optional[datetime] = None
+
+
+class VersionOut(BaseModel):
+    """版本输出"""
+    id: int
+    version_number: str
+    title: str
+    description: Optional[str] = None
+    release_notes: Optional[str] = None
+    status: str
+    project: Optional[str] = None
+    released_at: Optional[datetime] = None
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True