refactor(prompting): simplify code and add TODO comment

- Renamed `postProcessors` to `devInProcessor` for clarity.
- Simplified `collectFrameworkContext` by removing redundant file lookup.
- Added a TODO comment for future enhancement in `SketchToolWindow`.

Author: phodal

core/src/main/kotlin/cc/unitmesh/devti/prompting/SimpleDevinPrompter.kt

@@ -22,7 +22,6 @@ abstract class SimpleDevinPrompter {
     abstract val template: String
 
     fun prompting(project: Project, userInput: String, editor: Editor?): String {
-        /// handle with Velocity
         val variableCompile = VariableTemplateCompiler.create(project, editor)
         if (variableCompile == null) {
             val frameworkContext = collectFrameworkContext(editor, project)
@@ -31,7 +30,6 @@ abstract class SimpleDevinPrompter {
             return templateRender.renderTemplate(template)
         }
 
-        /// handle with DevIn language
         val postProcessors = LanguagePromptProcessor.devin()
         val compiledTemplate = postProcessors?.compile(project, template) ?: template
 
@@ -41,12 +39,7 @@ abstract class SimpleDevinPrompter {
 
     fun collectFrameworkContext(myEditor: Editor?, project: Project): String {
         val editor = myEditor ?: FileEditorManager.getInstance(project).selectedTextEditor ?: return ""
-        val file = FileDocumentManager.getInstance().getFile(editor.document)
-        val psiFile = runReadAction {
-            return@runReadAction file?.let { _ ->
-                return@let PsiDocumentManager.getInstance(project).getPsiFile(editor.document)
-            }
-        }
+        val psiFile = PsiDocumentManager.getInstance(project).getPsiFile(editor.document)
 
         val element = getElementToAction(project, editor)
         val creationContext =

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

@@ -52,8 +52,8 @@ class SketchInputListener(
     }
 
     override fun manualSend(userInput: String) {
-        val postProcessors = LanguagePromptProcessor.devin()
-        val compiledInput = runReadAction { postProcessors?.compile(project, userInput) } ?: userInput
+        val devInProcessor = LanguagePromptProcessor.devin()
+        val compiledInput = runReadAction { devInProcessor?.compile(project, userInput) } ?: userInput
 
         toolWindow.addRequestPrompt(compiledInput)
 

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

@@ -158,6 +158,9 @@ class SketchToolWindow(val project: Project, val editor: Editor?, private val sh
         chatCodingService.clearSession()
     }
 
+    /**
+     * Todo: add to all component lsit
+     */
     fun addRequestPrompt(text: String) {
         runInEdt {
             val codeBlockViewer = CodeHighlightSketch(project, text, PlainTextLanguage.INSTANCE).apply {