refactor(parser): simplify DevIn code fence filtering logic

Streamline the filtering logic for DevIn code fences by explicitly checking the origin language and text content, improving readability and maintainability.

Author: phodal

core/src/main/kotlin/cc/unitmesh/devti/sketch/ui/code/CodeHighlightSketch.kt

@@ -1,5 +1,6 @@
 package cc.unitmesh.devti.sketch.ui.code
 
+import cc.unitmesh.devti.AutoDevBundle
 import cc.unitmesh.devti.AutoDevNotifications
 import cc.unitmesh.devti.AutoDevSnippetFile
 import cc.unitmesh.devti.devin.dataprovider.BuiltinCommand
@@ -162,6 +163,8 @@ open class CodeHighlightSketch(
                 add(sketch, BorderLayout.SOUTH)
                 return
             }
+
+            return
         }
 
         val codes = CodeFence.parseAll(editorFragment!!.editor.document.text)
@@ -333,7 +336,7 @@ open class CodeHighlightSketch(
  * Add Write Command Action
  */
 private fun CodeHighlightSketch.processWriteCommand(currentText: String) {
-    val button = JButton("Write to file", AllIcons.Actions.MenuSaveall).apply {
+    val button = JButton(AutoDevBundle.message("sketch.write.to.file"), AllIcons.Actions.MenuSaveall).apply {
         preferredSize = JBUI.size(120, 30)
 
         addActionListener {

core/src/main/resources/genius/zh/code/sketch.vm

@@ -145,7 +145,9 @@ Index: src/main/index.html
 ```http
 // the http code
 ```
-启动应用程序
+
+   启动应用程序
+
 ```bash
 ./gradlew :bootRun
 ```

core/src/main/resources/messages/AutoDevBundle_en.properties

@@ -163,3 +163,4 @@ sketch.plan.finish.task=Please help me finish task:
 sketch.plan.review=AI re-evaluate Sketch plan
 sketch.plan.edit=Edit Plan
 sketch.plan.reviewing=Reviewing Plan
+sketch.write.to.file=Write to file

core/src/main/resources/messages/AutoDevBundle_zh.properties

@@ -163,3 +163,4 @@ sketch.plan.finish.task=请帮我完成以下任务:
 sketch.plan.review=AI 重新评估 Sketch 计划
 sketch.plan.edit=添加/编辑计划
 sketch.plan.reviewing=Reviewing Plan
+sketch.write.to.file=写入文件