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/platform-CzAVQ8Rt.js

@@ -0,0 +1 @@
+import{h as r}from"./index-BZzvNKfa.js";const p={list:async()=>r.get("/platforms"),create:async t=>r.post("/platforms",t),update:async(t,e)=>r.put(`/platforms/${t}`,e),delete:async t=>r.delete(`/platforms/${t}`)};export{p};