feat(terminal): add show/hide terminal action and update related messages

- Add new action for showing or hiding the terminal
- Update message properties for new action in both English and Chinese
- Fix action descriptions in TerminalSketchProvider

Author: phodal

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

@@ -183,3 +183,4 @@ sketch.patch.apply=Apply
 sketch.patch.view=View
 autodev.save.as.file=Save File As
 autodev.save.as.file.description=Choose location to save the file
+sketch.terminal.show.hide=Show or hide the terminal

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

@@ -183,3 +183,4 @@ sketch.patch.apply=修复
 sketch.patch.view=查看
 autodev.save.as.file=保存文件
 autodev.save.as.file.description=选择待保存文件位置
+sketch.terminal.show.hide=显示或隐藏终端

exts/ext-terminal/src/main/kotlin/cc/unitmesh/terminal/sketch/TerminalSketchProvider.kt

@@ -67,7 +67,6 @@ class TerminalLangSketch(val project: Project, var content: String) : ExtensionL
         this.component.border = JBUI.Borders.empty()
     }
 
-    // Store execution results for reuse
     private var lastExecutionResults: String = ""
     private var hasExecutionResults: Boolean = false
 
@@ -173,14 +172,14 @@ class TerminalLangSketch(val project: Project, var content: String) : ExtensionL
         executeAction = TerminalExecuteAction()
 
         val showTerminalAction = object :
-            AnAction("Show/Hide Terminal", "Show or hide the terminal", AutoDevIcons.Terminal) {
+            AnAction(AutoDevBundle.message("sketch.terminal.copy.text"), AutoDevBundle.message("sketch.terminal.show.hide"), AutoDevIcons.Terminal) {
             override fun actionPerformed(e: AnActionEvent) {
                 toggleTerminalAction()
             }
         }
 
         val copyAction = object :
-            AnAction("Copy", AutoDevBundle.message("sketch.terminal.copy.text"), AutoDevIcons.Copy) {
+            AnAction(AutoDevBundle.message("sketch.terminal.copy.text"), AutoDevBundle.message("sketch.terminal.copy.text"), AutoDevIcons.Copy) {
             override fun actionPerformed(e: AnActionEvent) {
                 val clipboard = Toolkit.getDefaultToolkit().systemClipboard
                 val textToCopy = if (hasExecutionResults) {
@@ -195,7 +194,7 @@ class TerminalLangSketch(val project: Project, var content: String) : ExtensionL
         }
 
         val sendAction = object :
-            AnAction("Send to Chat", AutoDevBundle.message("sketch.terminal.send.chat"), AutoDevIcons.Send) {
+            AnAction(AutoDevBundle.message("sketch.terminal.send.chat"), AutoDevBundle.message("sketch.terminal.send.chat"), AutoDevIcons.Send) {
             override fun actionPerformed(e: AnActionEvent) {
                 try {
                     val output = if (hasExecutionResults) {