fix(frontend): 修复 manualChunks 循环依赖导致生产白屏

仅拆分 codemirror/xterm/icons 独立库，避免 vendor-charts 与 vendor-react 循环引用。

backend/static/assets/alert-0ZkysSZO.js

@@ -0,0 +1 @@
+import{h as e}from"./index-BZzvNKfa.js";const a={getAlerts:async t=>e.get("/alerts",t),getRules:async()=>e.get("/alerts/rules"),createRule:async t=>e.post("/alerts/rules",t),updateRule:async(t,r)=>e.put(`/alerts/rules/${t}`,r),deleteRule:async t=>e.delete(`/alerts/rules/${t}`),batchDeleteRules:async t=>e.delete("/alerts/rules/batch-delete",{ids:t}),toggleRule:async t=>e.post(`/alerts/rules/${t}/toggle`),acknowledge:async t=>e.post(`/alerts/${t}/ack`),getNotifyChannels:async()=>e.get("/alerts/notify-channels"),createNotifyChannel:async t=>e.post("/alerts/notify-channels",t),updateNotifyChannel:async(t,r)=>e.put(`/alerts/notify-channels/${t}`,r),deleteNotifyChannel:async t=>e.delete(`/alerts/notify-channels/${t}`),testNotifyChannel:async t=>e.post(`/alerts/notify-channels/${t}/test`),getContacts:async()=>e.get("/alerts/contacts"),createContact:async t=>e.post("/alerts/contacts",t),updateContact:async(t,r)=>e.put(`/alerts/contacts/${t}`,r),deleteContact:async t=>e.delete(`/alerts/contacts/${t}`),getContactGroups:async()=>e.get("/alerts/contact-groups"),createContactGroup:async t=>e.post("/alerts/contact-groups",t),updateContactGroup:async(t,r)=>e.put(`/alerts/contact-groups/${t}`,r),deleteContactGroup:async t=>e.delete(`/alerts/contact-groups/${t}`)};export{a};