fix(devti): improve Markdown processing and shell safety check

- Enhance Markdown parsing for DevIn language
- Disable Markdown preview for better performance
- Refactor SketchToolWindow for language detection- Move ShellSyntaxSafetyCheckTest to core module

Author: phodal

core/src/main/kotlin/cc/unitmesh/devti/gui/chat/view/MessageView.kt

@@ -122,7 +122,14 @@ class MessageView(val project: Project, val message: String, val role: ChatRole,
                         oldComponent.dispose()
                     } else {
                         blockViews[index].apply {
-                            updateLanguage(codeFence.language, codeFence.originLanguage)
+                            var originLanguage = codeFence.originLanguage
+                            var language = codeFence.language
+                            if (language.displayName == "Markdown" && codeFence.text.startsWith("<devin>")) {
+                                language = CodeFence.findLanguage("DevIn")
+                                originLanguage = "DevIn"
+                            }
+
+                            updateLanguage(language, originLanguage)
                             updateViewText(codeFence.text, codeFence.isComplete)
                         }
                     }

core/src/main/kotlin/cc/unitmesh/devti/sketch/SketchToolWindow.kt

@@ -27,6 +27,7 @@ import com.intellij.openapi.actionSystem.AnAction
 import com.intellij.openapi.actionSystem.impl.ActionButton
 import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.application.runInEdt
+import com.intellij.openapi.diagnostic.logger
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.fileTypes.PlainTextLanguage
 import com.intellij.openapi.project.Project
@@ -312,12 +313,10 @@ open class SketchToolWindow(
                             }
 
                             var language = codeFence.language
-                            if (codeFence.text.contains("\n```") && codeFence.text.startsWith("/")) {
-                                if (language.displayName == "Markdown") {
-                                    com.intellij.openapi.diagnostic.logger<SketchToolWindow>().warn("Try to fix language error")
-                                    language = findLanguage("DevIn")
-                                    originLanguage = "DevIn"
-                                }
+                            if (language.displayName == "Markdown" && codeFence.text.startsWith("<devin>")) {
+                                logger<SketchToolWindow>().warn("Try to fix language error")
+                                language = findLanguage("DevIn")
+                                originLanguage = "DevIn"
                             }
 
                             updateLanguage(language, originLanguage)

core/src/main/kotlin/cc/unitmesh/devti/sketch/run/ShellSyntaxSafetyCheck.kt

@@ -2,7 +2,6 @@ package cc.unitmesh.devti.sketch.run
 
 import com.intellij.ide.scratch.ScratchRootType
 import com.intellij.openapi.project.Project
-import com.intellij.psi.PsiFileFactory
 import com.intellij.psi.PsiManager
 import com.intellij.psi.util.PsiTreeUtil
 import com.intellij.sh.ShLanguage

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

@@ -7,7 +7,8 @@ class MarkdownPreviewSketchProvider : LanguageSketchProvider {
      * Since Webview had a bad performance, we disable it by default.
      */
     override fun isSupported(lang: String): Boolean {
-        return lang.lowercase() == "markdown"
+//        return lang.lowercase() == "markdown"
+        return false
     }
 
     override fun create(project: Project, content: String): ExtensionLangSketch = MarkdownPreviewHighlightSketch(project, content)

exts/ext-terminal/src/test/kotlin/cc/unitmesh/terminal/sketch/ShellSyntaxSafetyCheckTest.kt renamed to core/src/test/kotlin/cc/unitmesh/devti/sketch/run/ShellSyntaxSafetyCheckTest.kt

@@ -1,6 +1,5 @@
-package cc.unitmesh.terminal.sketch
+package cc.unitmesh.devti.sketch.run
 
-import cc.unitmesh.devti.sketch.run.ShellSyntaxSafetyCheck
 import com.intellij.testFramework.fixtures.BasePlatformTestCase
 
 class ShellSyntaxSafetyCheckTest : BasePlatformTestCase() {