refactor: 移除表格列的fixed属性并更新electron启动脚本

移除CrawlInfo组件中操作列的fixed属性以改善布局
将electron:start重命名为electron:dev并更新构建命令

frontend/src/components/CrawlInfo.vue

@@ -37,7 +37,7 @@
             <span v-else>-</span>
           </template>
         </el-table-column>
-        <el-table-column label="操作" width="100" fixed="right">
+        <el-table-column label="操作" width="100">
           <template #default="{ row }">
             <el-button
               type="primary"

package.json

@@ -23,7 +23,7 @@
     "ai-recommendations": "ts-node -r tsconfig-paths/register src/scripts/ai-recommendations.ts",
     "sync": "ts-node -r tsconfig-paths/register src/scripts/sync.ts",
     "deploy": "powershell -ExecutionPolicy Bypass -File src/scripts/deploy.ps1",
-    "electron:start": "npm run build && set NODE_ENV=development&& electron ./app",
+    "electron:dev": "npm run -prefix frontend build && npm run build && set NODE_ENV=development&& electron ./app",
     "electron:build": "npm run build && electron-builder --config ./app/electron-builder.json"
   },
   "dependencies": {