chore: 同步 embed 静态资源（base=/ 修复深链白屏）

二进制 / K8s embed 模式 go:embed 使用 backend/static

backend/static/assets/billing-CtDdgyDv.js

@@ -0,0 +1 @@
+import{h as t}from"./index-BTQygws6.js";const s={getStats:async()=>t.get("/cloud-billings/stats"),list:async e=>t.get("/cloud-billings",e),create:async e=>t.post("/cloud-billings",e),batchCreate:async e=>t.post("/cloud-billings/batch",{records:e}),remove:async e=>t.delete(`/cloud-billings/${e}`),getProviders:async()=>t.get("/cloud-billings/providers"),listAlertRules:async()=>t.get("/billing-alerts"),createAlertRule:async e=>t.post("/billing-alerts",e),updateAlertRule:async(e,l)=>t.put(`/billing-alerts/${e}`,l),deleteAlertRule:async e=>t.delete(`/billing-alerts/${e}`),toggleAlertRule:async e=>t.post(`/billing-alerts/${e}/toggle`)};export{s as b};