完善部分平台治理功能，及修改看板缺陷

frontend/src/api/modules/system.ts

@@ -42,3 +42,10 @@ export const resetUserPassword = (id: string, password?: string) =>
 /** 删除用户（protected 管理员账号不允许删除） */
 export const deleteUser = (id: string) =>
   del<{ deleted: string }>(`/users/${encodeURIComponent(id)}`)
+
+/** 用户自行修改密码 */
+export const changeMyPassword = (oldPassword: string, newPassword: string) =>
+  post<{ changed: boolean }>('/users/me/password', {
+    old_password: oldPassword,
+    new_password: newPassword,
+  })