feat: Improve error handling and result processing in Assistant API

- Update streamChat method to set a default prompt for error messages, enhancing user guidance.
- Refactor case handling in streamChat to better manage boolean and map results, improving response clarity.
- Modify HookRetry method to streamline result extraction and handle action presence more effectively, ensuring robust error handling.

neo/assistant/api.go

@@ -687,9 +687,18 @@ func (ast *Assistant) streamChat(
 			return nil, retry
 		}
 
-		var prompt string = ""
+		// Default prompt
+		var prompt string = fmt.Sprintf("Try to fix the error following the error message. error:\n %s", exception.Trim(retry))
 		switch v := promptAny.(type) {
-		case NextAction:
+		case bool: // Ignore the error, and return the specific result
+			if v == false {
+				return nil, retry
+			}
+
+		case map[string]interface{}: // Ignore the error, and return the specific result
+			return v, nil
+
+		case NextAction: // Execute the next action
 			result, err := v.Execute(c, ctx, contents, cb)
 			if err != nil {
 				// chatMessage.New().Error(err.Error()).Done().Callback(cb).Write(c.Writer)
@@ -697,7 +706,7 @@ func (ast *Assistant) streamChat(
 			}
 			return result, nil
 
-		case string:
+		case string: // Add the prompt to the messages
 			prompt = v
 		}
 

neo/assistant/hooks.go

@@ -164,9 +164,13 @@ func (ast *Assistant) HookRetry(c *gin.Context, context chatctx.Context, input [
 	}
 
 	switch v := v.(type) {
-	case string:
+	case string, bool:
 		return v, nil
+
 	case map[string]interface{}:
+
+		// Has Action
+		if _, has := v["action"]; has {
 			var next NextAction
 			raw, _ := jsoniter.MarshalToString(v)
 			err := jsoniter.UnmarshalFromString(raw, &next)
@@ -176,6 +180,11 @@ func (ast *Assistant) HookRetry(c *gin.Context, context chatctx.Context, input [
 			return &next, nil
 		}
 
+		// Ignore the error, and return the specific result
+		return v, nil
+
+	}
+
 	return nil, nil
 }