🎨 优化对话消息前端渲染（未完成存在bug）

Signed-off-by: Echo <1711788888@qq.com>

server/service/app/conversation.go

@@ -791,6 +791,28 @@ func (s *ConversationService) SendMessageStream(userID, conversationID uint, req
 	if streamPreset != nil && streamPreset.SystemPrompt != "" {
 		systemPrompt = systemPrompt + "\n\n" + streamPreset.SystemPrompt
 	}
+
+	// 集成世界书触发引擎（流式传输）
+	if conversation.WorldbookEnabled && conversation.WorldbookID != nil {
+		global.GVA_LOG.Info(fmt.Sprintf("[流式传输] 世界书已启用，ID: %d", *conversation.WorldbookID))
+
+		var messageContents []string
+		for _, msg := range messages {
+			messageContents = append(messageContents, msg.Content)
+		}
+
+		engine := &WorldbookEngine{}
+		triggeredEntries, wbErr := engine.ScanAndTrigger(*conversation.WorldbookID, messageContents)
+		if wbErr != nil {
+			global.GVA_LOG.Warn(fmt.Sprintf("[流式传输] 世界书触发失败: %v", wbErr))
+		} else if len(triggeredEntries) > 0 {
+			global.GVA_LOG.Info(fmt.Sprintf("[流式传输] 触发了 %d 个世界书条目", len(triggeredEntries)))
+			systemPrompt = engine.BuildPromptWithWorldbook(systemPrompt, triggeredEntries)
+		} else {
+			global.GVA_LOG.Info("[流式传输] 没有触发任何世界书条目")
+		}
+	}
+
 	apiMessages := s.buildAPIMessages(messages, systemPrompt)
 
 	// 打印发送给AI的完整内容（流式传输）