diff --git a/core/wrapper-inline.js b/core/wrapper-inline.js
new file mode 100644
index 0000000..16f634c
--- /dev/null
+++ b/core/wrapper-inline.js
@@ -0,0 +1,240 @@
+// core/wrapper-inline.js
+// iframe 内部注入脚本，同步执行，避免外部加载的时序问题
+
+/**
+ * 基础脚本：高度测量 + STscript
+ * 两个渲染器共用
+ */
+export function getIframeBaseScript() {
+    return `
+(function(){
+  function measureVisibleHeight(){
+    try{
+      var doc=document,target=doc.body;
+      if(!target)return 0;
+      var minTop=Infinity,maxBottom=0;
+      var addRect=function(el){
+        try{
+          var r=el.getBoundingClientRect();
+          if(r&&r.height>0){
+            if(minTop>r.top)minTop=r.top;
+            if(maxBottom<r.bottom)maxBottom=r.bottom;
+          }
+        }catch(e){}
+      };
+      addRect(target);
+      var children=target.children||[];
+      for(var i=0;i<children.length;i++){
+        var child=children[i];
+        if(!child)continue;
+        try{
+          var s=window.getComputedStyle(child);
+          if(s.display==='none'||s.visibility==='hidden')continue;
+          if(!child.offsetParent&&s.position!=='fixed')continue;
+        }catch(e){}
+        addRect(child);
+      }
+      return maxBottom>0?Math.ceil(maxBottom-Math.min(minTop,0)):(target.scrollHeight||0);
+    }catch(e){
+      return(document.body&&document.body.scrollHeight)||0;
+    }
+  }
+
+  function post(m){try{parent.postMessage(m,'*')}catch(e){}}
+  var rafPending=false,lastH=0,HYSTERESIS=2;
+
+  function send(force){
+    if(rafPending&&!force)return;
+    rafPending=true;
+    requestAnimationFrame(function(){
+      rafPending=false;
+      var h=measureVisibleHeight();
+      if(force||Math.abs(h-lastH)>=HYSTERESIS){
+        lastH=h;
+        post({height:h,force:!!force});
+      }
+    });
+  }
+
+  try{send(true)}catch(e){}
+  document.addEventListener('DOMContentLoaded',function(){send(true)},{once:true});
+  window.addEventListener('load',function(){send(true)},{once:true});
+
+  try{
+    if(document.fonts){
+      document.fonts.ready.then(function(){send(true)}).catch(function(){});
+      if(document.fonts.addEventListener){
+        document.fonts.addEventListener('loadingdone',function(){send(true)});
+        document.fonts.addEventListener('loadingerror',function(){send(true)});
+      }
+    }
+  }catch(e){}
+
+  ['transitionend','animationend'].forEach(function(evt){
+    document.addEventListener(evt,function(){send(false)},{passive:true,capture:true});
+  });
+
+  try{
+    var root=document.body||document.documentElement;
+    var ro=new ResizeObserver(function(){send(false)});
+    ro.observe(root);
+  }catch(e){
+    try{
+      var rootMO=document.body||document.documentElement;
+      new MutationObserver(function(){send(false)})
+        .observe(rootMO,{childList:true,subtree:true,attributes:true,characterData:true});
+    }catch(e){}
+    window.addEventListener('resize',function(){send(false)},{passive:true});
+  }
+
+  window.addEventListener('message',function(e){
+    var d=e&&e.data||{};
+    if(d&&d.type==='probe')setTimeout(function(){send(true)},10);
+  });
+
+  window.STscript=function(command){
+    return new Promise(function(resolve,reject){
+      try{
+        if(!command){reject(new Error('empty'));return}
+        if(command[0]!=='/')command='/'+command;
+        var id=Date.now().toString(36)+Math.random().toString(36).slice(2);
+        function onMessage(e){
+          var d=e&&e.data||{};
+          if(d.source!=='xiaobaix-host')return;
+          if((d.type==='commandResult'||d.type==='commandError')&&d.id===id){
+            try{window.removeEventListener('message',onMessage)}catch(e){}
+            if(d.type==='commandResult')resolve(d.result);
+            else reject(new Error(d.error||'error'));
+          }
+        }
+        try{window.addEventListener('message',onMessage)}catch(e){}
+        post({type:'runCommand',id:id,command:command});
+        setTimeout(function(){
+          try{window.removeEventListener('message',onMessage)}catch(e){}
+          reject(new Error('Command timeout'));
+        },180000);
+      }catch(e){reject(e)}
+    });
+  };
+  try{if(typeof window['stscript']!=='function')window['stscript']=window.STscript}catch(e){}
+})();`;
+}
+
+/**
+ * CallGenerate + Avatar
+ * 提供 callGenerate() 函数供角色卡调用
+ */
+export function getWrapperScript() {
+    return `
+(function(){
+  function sanitizeOptions(options){
+    try{
+      return JSON.parse(JSON.stringify(options,function(k,v){return(typeof v==='function')?undefined:v}))
+    }catch(_){
+      try{
+        var seen=new WeakSet();
+        var clone=function(val){
+          if(val===null||val===undefined)return val;
+          var t=typeof val;
+          if(t==='function')return undefined;
+          if(t!=='object')return val;
+          if(seen.has(val))return undefined;
+          seen.add(val);
+          if(Array.isArray(val)){
+            var arr=[];for(var i=0;i<val.length;i++){var v=clone(val[i]);if(v!==undefined)arr.push(v)}return arr;
+          }
+          var proto=Object.getPrototypeOf(val);
+          if(proto!==Object.prototype&&proto!==null)return undefined;
+          var out={};
+          for(var k in val){if(Object.prototype.hasOwnProperty.call(val,k)){var v=clone(val[k]);if(v!==undefined)out[k]=v}}
+          return out;
+        };
+        return clone(options);
+      }catch(__){return{}}
+    }
+  }
+  function CallGenerateImpl(options){
+    return new Promise(function(resolve,reject){
+      try{
+        function post(m){try{parent.postMessage(m,'*')}catch(e){}}
+        if(!options||typeof options!=='object'){reject(new Error('Invalid options'));return}
+        var id=Date.now().toString(36)+Math.random().toString(36).slice(2);
+        function onMessage(e){
+          var d=e&&e.data||{};
+          if(d.source!=='xiaobaix-host'||d.id!==id)return;
+          if(d.type==='generateStreamStart'&&options.streaming&&options.streaming.onStart){try{options.streaming.onStart(d.sessionId)}catch(_){}}
+          else if(d.type==='generateStreamChunk'&&options.streaming&&options.streaming.onChunk){try{options.streaming.onChunk(d.chunk,d.accumulated)}catch(_){}}
+          else if(d.type==='generateStreamComplete'){try{window.removeEventListener('message',onMessage)}catch(_){}resolve(d.result)}
+          else if(d.type==='generateStreamError'){try{window.removeEventListener('message',onMessage)}catch(_){}reject(new Error(d.error||'Stream failed'))}
+          else if(d.type==='generateResult'){try{window.removeEventListener('message',onMessage)}catch(_){}resolve(d.result)}
+          else if(d.type==='generateError'){try{window.removeEventListener('message',onMessage)}catch(_){}reject(new Error(d.error||'Generation failed'))}
+        }
+        try{window.addEventListener('message',onMessage)}catch(_){}
+        var sanitized=sanitizeOptions(options);
+        post({type:'generateRequest',id:id,options:sanitized});
+        setTimeout(function(){try{window.removeEventListener('message',onMessage)}catch(e){};reject(new Error('Generation timeout'))},300000);
+      }catch(e){reject(e)}
+    });
+  }
+  try{window.CallGenerate=CallGenerateImpl}catch(e){}
+  try{window.callGenerate=CallGenerateImpl}catch(e){}
+  try{window.__xb_callGenerate_loaded=true}catch(e){}
+})();
+
+(function(){
+  function applyAvatarCss(urls){
+    try{
+      var root=document.documentElement;
+      root.style.setProperty('--xb-user-avatar',urls&&urls.user?'url("'+urls.user+'")':'none');
+      root.style.setProperty('--xb-char-avatar',urls&&urls.char?'url("'+urls.char+'")':'none');
+      if(!document.getElementById('xb-avatar-style')){
+        var css='.xb-avatar,.xb-user-avatar,.xb-char-avatar{width:36px;height:36px;border-radius:50%;background-size:cover;background-position:center;background-repeat:no-repeat;display:inline-block}.xb-user-avatar{background-image:var(--xb-user-avatar)}.xb-char-avatar{background-image:var(--xb-char-avatar)}';
+        var style=document.createElement('style');
+        style.id='xb-avatar-style';
+        style.textContent=css;
+        document.head.appendChild(style);
+      }
+    }catch(_){}
+  }
+  function requestAvatars(){try{parent.postMessage({type:'getAvatars'},'*')}catch(_){}}
+  function onMessage(e){
+    var d=e&&e.data||{};
+    if(d&&d.source==='xiaobaix-host'&&d.type==='avatars'){
+      applyAvatarCss(d.urls);
+      try{window.removeEventListener('message',onMessage)}catch(_){}
+    }
+  }
+  try{
+    window.addEventListener('message',onMessage);
+    if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',requestAvatars,{once:true});}
+    else{requestAvatars();}
+    window.addEventListener('load',requestAvatars,{once:true});
+  }catch(_){}
+})();`;
+}
+
+/**
+ * 模板变量更新（template-editor 独有）
+ */
+export function getTemplateExtrasScript() {
+    return `
+(function(){
+  if(typeof window.updateTemplateVariables!=='function'){
+    window.updateTemplateVariables=function(variables){
+      try{
+        Object.entries(variables||{}).forEach(function(entry){
+          var k=entry[0],v=entry[1];
+          document.querySelectorAll('[data-xiaobaix-var="'+k+'"]').forEach(function(el){
+            if(v==null)el.textContent='';
+            else if(Array.isArray(v))el.textContent=v.join(', ');
+            else if(typeof v==='object')el.textContent=JSON.stringify(v);
+            else el.textContent=String(v);
+            el.style.display='';
+          });
+        });
+      }catch(e){}
+      try{window.dispatchEvent(new Event('contentUpdated'))}catch(e){}
+    };
+  }
+})();`;
+}
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