map semantic refactoring kinds to specific LSP code action kinds

Sources/SwiftLanguageService/SemanticRefactorCommand.swift

@@ -72,6 +72,20 @@ package struct SemanticRefactorCommand: SwiftCommand {
       CodingKeys.textDocument.stringValue: textDocument.encodeToLSPAny(),
     ])
   }
+
+  /// Maps the SourceKit action string to an appropriate LSP CodeActionKind.
+  ///
+  /// SourceKit uses identifiers like `source.refactoring.kind.extract.expr`
+  /// which this property maps to LSP kinds like `refactor.extract`.
+  package var lspKind: CodeActionKind {
+    if actionString.contains(".extract.") {
+      return .refactorExtract
+    } else if actionString.contains(".inline.") {
+      return .refactorInline
+    } else {
+      return .refactor
+    }
+  }
 }
 
 extension Array where Element == SemanticRefactorCommand {

Sources/SwiftLanguageService/SwiftLanguageService.swift

@@ -968,7 +968,7 @@ extension SwiftLanguageService {
         canInlineMacro = $0.actionString == "source.refactoring.kind.inline.macro"
       }
 
-      return CodeAction(title: $0.title, kind: .refactor, command: lspCommand)
+      return CodeAction(title: $0.title, kind: $0.lspKind, command: lspCommand)
     }
 
     if canInlineMacro {

Tests/SourceKitLSPTests/CodeActionTests.swift

@@ -370,7 +370,7 @@ final class CodeActionTests: SourceKitLSPTestCase {
     )
     let expectedCodeAction = CodeAction(
       title: "Extract Method",
-      kind: .refactor,
+      kind: .refactorExtract,
       command: expectedCommand
     )
     var resultActions = try XCTUnwrap(result?.codeActions)