feat(gui): add recently opened files to input reference

- Update FileListViewModel to return added files from addRecentlyOpenedFiles
- Modify AutoDevInputSection to pass input to InputFileToolbar- Enhance InputFileToolbar to append added files as references in the input

Author: phodal

core/src/main/kotlin/cc/unitmesh/devti/gui/chat/ui/AutoDevInputSection.kt

@@ -11,7 +11,6 @@ import cc.unitmesh.devti.provider.RelatedClassesProvider
 import cc.unitmesh.devti.settings.AutoDevSettingsState
 import cc.unitmesh.devti.settings.customize.customizeSetting
 import com.intellij.codeInsight.lookup.LookupManagerListener
-import com.intellij.icons.AllIcons
 import com.intellij.ide.IdeTooltip
 import com.intellij.ide.IdeTooltipManager
 import com.intellij.openapi.Disposable
@@ -32,7 +31,6 @@ import com.intellij.openapi.ui.ComboBox
 import com.intellij.openapi.ui.ComponentValidator
 import com.intellij.openapi.ui.ValidationInfo
 import com.intellij.openapi.ui.popup.Balloon.Position
-import com.intellij.openapi.vfs.VirtualFile
 import com.intellij.openapi.wm.IdeFocusManager
 import com.intellij.openapi.wm.impl.InternalDecorator
 import com.intellij.psi.PsiElement
@@ -171,7 +169,7 @@ class AutoDevInputSection(private val project: Project, val disposable: Disposab
         scrollPane.verticalScrollBarPolicy = JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED
         scrollPane.horizontalScrollBarPolicy = JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED
 
-        val toolbar = InputFileToolbar.createToolbar(project, fileListViewModel)
+        val toolbar = InputFileToolbar.createToolbar(project, fileListViewModel, input)
 
         val headerPanel = JPanel(BorderLayout())
         headerPanel.add(toolbar, BorderLayout.NORTH)

core/src/main/kotlin/cc/unitmesh/devti/gui/chat/ui/InputFileToolbar.kt

@@ -2,6 +2,7 @@ package cc.unitmesh.devti.gui.chat.ui
 
 import cc.unitmesh.devti.AutoDevBundle
 import cc.unitmesh.devti.gui.chat.ui.viewmodel.FileListViewModel
+import com.intellij.openapi.fileEditor.FileEditorManager
 import com.intellij.openapi.project.Project
 import com.intellij.ui.components.JBLabel
 import com.intellij.ui.components.labels.LinkLabel
@@ -11,7 +12,7 @@ import javax.swing.Box
 import javax.swing.JToolBar
 
 object InputFileToolbar {
-    fun createToolbar(project: Project, viewModel: FileListViewModel): JToolBar {
+    fun createToolbar(project: Project, viewModel: FileListViewModel, input: AutoDevInput): JToolBar {
         val toolbar = JToolBar()
         toolbar.isFloatable = false
 
@@ -23,7 +24,15 @@ object InputFileToolbar {
         toolbar.add(Box.createHorizontalGlue())
 
         val recentFiles = LinkLabel(AutoDevBundle.message("chat.panel.add.openFiles"), null) { _: LinkLabel<Unit>, _: Unit? ->
-            viewModel.addRecentlyOpenedFiles()
+            val addedFiles = viewModel.addRecentlyOpenedFiles()
+            val fileReferences = StringBuilder()
+            addedFiles.forEach { vfile ->
+                fileReferences.append("\n/file:${vfile.presentablePath}")
+            }
+            
+            if (fileReferences.isNotEmpty()) {
+                input.appendText(fileReferences.toString())
+            }
         }
 
         recentFiles.mediumFontFunction()

core/src/main/kotlin/cc/unitmesh/devti/gui/chat/ui/viewmodel/FileListViewModel.kt

@@ -88,14 +88,16 @@ class FileListViewModel(private val project: Project) : Disposable {
             .toMutableList()
     }
 
-    fun addRecentlyOpenedFiles() {
+    fun addRecentlyOpenedFiles(): List<FilePresentation> {
         val files = getRecentlyOpenedFiles()
         files.forEach { file ->
             if (listModel.elements().asSequence().none { it.virtualFile == file.virtualFile }) {
                 listModel.addElement(file)
                 listeners.forEach { it.onFileAdded(file) }
             }
         }
+
+        return files
     }
 
     /**