feat: 虚拟机流量精细化控制接入（接口新增，待联调）

1. userVm.js/kvmService.js 新增 traffic_policy 系列 API（GET/update/add_fixed/add_temporary）
2. UserVmList.vue/VmManage.vue 创建表单新增 traffic_max、traffic_exhausted_rx/tx_mbps 三个可选字段
3. UserVmDetail.vue/VmDetail.vue 修改带宽表单新增耗尽限速字段，并各增加流量策略 Tab（展示+修改策略+增加固定/临时流量）

Co-authored-by: Cursor <cursoragent@cursor.com>

src/api/admin/kvmService.js

@@ -401,6 +401,17 @@ export const updateVmTraffic = (data) => {
   })
 }
 
+// ========== 流量策略 ==========
+// 测试未通过（接口新增，待联调）
+/** 获取虚拟机流量策略 */
+export const getVmTrafficPolicy = (params) => http2.get('/api/v1/admin/server/host_service/point/vm/traffic_policy', { params })
+/** 修改虚拟机流量策略 */
+export const updateVmTrafficPolicy = (data) => http2.post('/api/v1/admin/server/host_service/point/vm/traffic_policy/update', data, { headers: { 'Content-Type': 'multipart/form-data' } })
+/** 增加虚拟机固定流量上限 */
+export const addVmFixedTraffic = (data) => http2.post('/api/v1/admin/server/host_service/point/vm/traffic_policy/add_fixed', data, { headers: { 'Content-Type': 'multipart/form-data' } })
+/** 增加虚拟机一次性临时流量 */
+export const addVmTemporaryTraffic = (data) => http2.post('/api/v1/admin/server/host_service/point/vm/traffic_policy/add_temporary', data, { headers: { 'Content-Type': 'multipart/form-data' } })
+
 /** 启动虚拟机 */
 export const startVm = (data) => {
   return http2.post('/api/v1/admin/server/host_service/point/vm/start', data, {

src/api/admin/userVm.js

@@ -106,6 +106,13 @@ export const deleteUserGoods = (params) => http2.delete(`${GOODS_BASE}/delete`,
 
 export const getUserVmMetricsHistory = (params) => http2.get(`${BASE}/metrics_history`, { params })
 
+// ========== 流量策略 ==========
+// 测试未通过（接口新增，待联调）
+export const getUserVmTrafficPolicy = (params) => http2.get(`${BASE}/traffic_policy`, { params })
+export const updateUserVmTrafficPolicy = (data) => http2.post(`${BASE}/traffic_policy/update`, fd(data), { headers: { 'Content-Type': 'multipart/form-data' } })
+export const addUserVmFixedTraffic = (data) => http2.post(`${BASE}/traffic_policy/add_fixed`, fd(data), { headers: { 'Content-Type': 'multipart/form-data' } })
+export const addUserVmTemporaryTraffic = (data) => http2.post(`${BASE}/traffic_policy/add_temporary`, fd(data), { headers: { 'Content-Type': 'multipart/form-data' } })
+
 // ========== 到期提醒 ==========
 export const getExpireRemindList = (params) => http2.get(`${GOODS_BASE}/expire_remind/list`, { params })
 export const sendExpireRemind = (data) => http2.post(`${GOODS_BASE}/expire_remind/send`, data, { headers: { 'Content-Type': 'application/json' } })