feat(completion): add icons to builtin commands #101

Add icons to the builtin commands to enhance the user experience in the completion popup. This commit introduces the `AllIcons` imports and assigns an icon to each command, providing a visual cue for users to quickly identify the command they are looking for.

Author: phodal

exts/devin-lang/src/main/kotlin/cc/unitmesh/devti/language/completion/BuiltinCommandProvider.kt

@@ -3,13 +3,15 @@ package cc.unitmesh.devti.language.completion
 import cc.unitmesh.devti.language.DevInIcons
 import com.intellij.codeInsight.completion.*
 import com.intellij.codeInsight.lookup.LookupElementBuilder
+import com.intellij.icons.AllIcons
 import com.intellij.util.ProcessingContext
+import javax.swing.Icon
 
-enum class BuiltinCommand(val agentName: String, val description: String) {
-    FILE("file", "Read the content of a file"),
-    REV("rev", "Read git change by file"),
-    SYMBOL("symbol", "Read content by Java/Kotlin canonicalName"),
-    WRITE("write", "Write content to a file, format: /write:/path/to/file:L1-C2"),
+enum class BuiltinCommand(val agentName: String, val description: String, val icon: Icon) {
+    FILE("file", "Read the content of a file", AllIcons.Actions.AddFile),
+    REV("rev", "Read git change by file", AllIcons.Vcs.History),
+    SYMBOL("symbol", "Read content by Java/Kotlin canonicalName", AllIcons.Actions.GroupBy),
+    WRITE("write", "Write content to a file, /write:/path/to/file:L1-L2", AllIcons.Actions.Edit),
     ;
 
     companion object {
@@ -32,7 +34,7 @@ class BuiltinCommandProvider : CompletionProvider<CompletionParameters>() {
         BuiltinCommand.all().forEach {
             result.addElement(
                 LookupElementBuilder.create(it.agentName)
-                    .withIcon(DevInIcons.DEFAULT)
+                    .withIcon(it.icon)
                     .withTypeText(it.description, true)
             )
         }