新增脚本注入功能：支持注入远程和本地JavaScript脚本，优化CSS注入逻辑

plugin/lib/quickcomposer/browser/execScript.js

@@ -1,4 +1,5 @@
 const { executeScript } = require("./browser");
+const fs = require("fs");
 
 const clickElement = async (tab, selector) => {
   return await executeScript(
@@ -128,12 +129,54 @@ const injectCSS = async (tab, css) => {
     tab,
     `
       const style = document.createElement('style');
-      style.textContent = \`${css}\`;
+      style.textContent = css;
       document.head.appendChild(style);
-    `
+    `,
+    { css }
   );
 };
 
+const injectRemoteScript = async (tab, url) => {
+  return await executeScript(
+    tab,
+    `
+      return await new Promise((resolve, reject) => {
+        const script = document.createElement('script');
+        script.src = url;
+        script.type = 'text/javascript';
+        script.onload = () => resolve(true);
+        script.onerror = () => reject(new Error('Failed to load script: ' + url));
+        document.head.appendChild(script);
+      });
+    `,
+    { url }
+  );
+};
+
+const injectLocalScript = async (tab, filePath) => {
+  try {
+    if (!fs.existsSync(filePath)) {
+      throw new Error(`文件不存在: ${filePath}`);
+    }
+
+    const content = fs.readFileSync(filePath, "utf8");
+
+    return await executeScript(
+      tab,
+      `
+        const script = document.createElement('script');
+        script.type = 'text/javascript';
+        script.textContent = content;
+        document.head.appendChild(script);
+        return true;
+      `,
+      { content }
+    );
+  } catch (error) {
+    throw new Error(`注入本地脚本失败: ${error.message}`);
+  }
+};
+
 module.exports = {
   clickElement,
   inputText,
@@ -148,4 +191,6 @@ module.exports = {
   getPageSize,
   waitForElement,
   injectCSS,
+  injectRemoteScript,
+  injectLocalScript,
 };

src/js/composer/commands/browserCommands.js

@@ -266,6 +266,73 @@ export const browserCommands = {
         },
       ],
     },
+    {
+      value: "quickcomposer.browser.injectRemoteScript",
+      label: "注入脚本/样式",
+      icon: "style",
+      isAsync: true,
+      config: [tabConfig],
+      subCommands: [
+        {
+          label: "注入CDN脚本",
+          value: "quickcomposer.browser.injectRemoteScript",
+          icon: "javascript",
+          config: [
+            {
+              component: "VariableInput",
+              icon: "link",
+              width: 12,
+              placeholder: "输入远程脚本URL",
+            },
+          ],
+        },
+        {
+          label: "注入本地脚本",
+          icon: "javascript",
+          value: "quickcomposer.browser.injectLocalScript",
+          config: [
+            {
+              component: "VariableInput",
+              icon: "folder",
+              width: 12,
+              options: {
+                dialog: {
+                  type: "open",
+                  options: {
+                    title: "选择脚本",
+                    filters: [
+                      {
+                        name: "JavaScript",
+                        extensions: ["js"],
+                      },
+                      {
+                        name: "all",
+                        extensions: ["*"],
+                      },
+                    ],
+                    properties: ["openFile"],
+                  },
+                },
+              },
+              placeholder: "输入本地脚本绝对路径",
+            },
+          ],
+        },
+        {
+          label: "注入CSS",
+          value: "quickcomposer.browser.injectCSS",
+          icon: "style",
+          config: [
+            {
+              component: "CodeEditor",
+              icon: "style",
+              width: 12,
+              placeholder: "输入CSS代码",
+            },
+          ],
+        },
+      ],
+    },
     {
       value: "quickcomposer.browser.setCookie",
       label: "Cookie操作",
@@ -356,22 +423,6 @@ export const browserCommands = {
         },
       ],
     },
-    {
-      value: "quickcomposer.browser.injectCSS",
-      label: "注入CSS",
-      icon: "style",
-      isAsync: true,
-      config: [
-        tabConfig,
-        {
-          label: "CSS内容",
-          component: "CodeEditor",
-          icon: "style",
-          width: 12,
-          placeholder: "输入CSS代码",
-        },
-      ],
-    },
     {
       value: "quickcomposer.browser.clickElement",
       label: "元素操作",