Post explanation from ModificationAgent

Author: intitni

Core/Sources/SuggestionWidget/FeatureReducers/PromptToCodePanel.swift

@@ -188,6 +188,14 @@ public struct PromptToCodePanel {
                                                         description: ""
                                                     )
                                                 )))
+                                            case let .explanation(explanation):
+                                                await send(.snippetPanel(.element(
+                                                    id: snippet.id,
+                                                    action: .modifyCodeChunkReceived(
+                                                        code: "",
+                                                        description: explanation
+                                                    )
+                                                )))
                                             }
                                         }
                                     } catch is CancellationError {

Tool/Sources/ModificationBasic/ModificationAgent.swift

@@ -5,6 +5,7 @@ import SuggestionBasic
 
 public enum ModificationAgentResponse {
     case code(String)
+    case explanation(String)
 }
 
 public struct ModificationAgentRequest {