Make systemPrompt and extraSystemPrompt published

Author: intitni

Core/Sources/ChatService/ChatService.swift

@@ -20,8 +20,8 @@ public final class ChatService: ObservableObject {
     let pluginController: ChatPluginController
     let contextController: DynamicContextController
     var cancellable = Set<AnyCancellable>()
-    var systemPrompt = defaultSystemPrompt
-    var extraSystemPrompt = ""
+    @Published public internal(set) var systemPrompt = defaultSystemPrompt
+    @Published public internal(set) var extraSystemPrompt = ""
 
     public init<T: ChatGPTServiceType>(chatGPTService: T) {
         self.chatGPTService = chatGPTService
@@ -61,6 +61,11 @@ public final class ChatService: ObservableObject {
         await pluginController.cancel()
         await chatGPTService.clearHistory()
     }
+    
+    public func resetPrompt() async {
+        systemPrompt = defaultSystemPrompt
+        extraSystemPrompt = ""
+    }
 
     public func deleteMessage(id: String) async {
         await chatGPTService.mutateHistory { messages in