fix: 修复脚本全屏编辑对话框超出屏幕高度问题

使用 CSS calc(80vh - 180px) 控制 textarea 高度

frontend/src/views/scheduled-tasks/index.vue

@@ -939,7 +939,7 @@ onMounted(() => {
     </el-dialog>
     
     <!-- 脚本全屏编辑对话框 -->
-    <el-dialog v-model="scriptDialogVisible" title="编辑脚本" width="90%" top="3vh" :close-on-click-modal="false">
+    <el-dialog v-model="scriptDialogVisible" title="编辑脚本" width="90%" top="3vh" :close-on-click-modal="false" class="script-dialog">
       <div class="script-fullscreen-toolbar">
         <el-button size="small" @click="handleShowSdkDocs">SDK 文档</el-button>
         <span style="color: #999; font-size: 12px; margin-left: 12px">
@@ -949,7 +949,6 @@ onMounted(() => {
       <el-input
         v-model="scriptContent"
         type="textarea"
-        :rows="30"
         placeholder="Python 脚本"
         class="script-textarea-fullscreen"
       />
@@ -1018,6 +1017,13 @@ onMounted(() => {
   font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
   font-size: 14px;
   line-height: 1.6;
+  height: calc(80vh - 180px) !important;
+  min-height: 400px;
+}
+
+/* 脚本全屏编辑对话框 */
+.script-dialog :deep(.el-dialog__body) {
+  padding: 15px 20px;
 }
 
 .script-fullscreen-toolbar {