Version: 0.4.0.dev.260302

修改了gitignore文件，使得yaml不会被上传，保护隐私
接入eino，实现了agent的消息sse流式传输

backend/service/agent.go

@@ -0,0 +1,35 @@
+package service
+
+import (
+	"context"
+
+	"github.com/LoveLosita/smartflow/backend/agent"
+	"github.com/LoveLosita/smartflow/backend/inits"
+)
+
+type AgentService struct {
+	AIHub *inits.AIHub
+}
+
+func NewAgentService(aiHub *inits.AIHub) *AgentService {
+	return &AgentService{
+		AIHub: aiHub,
+	}
+}
+
+func (s *AgentService) AgentChat(ctx context.Context, userMessage string) (<-chan string, <-chan error) {
+	//1. 创建一个输出通道
+	outChan := make(chan string, 5)
+	errChan := make(chan error)
+	//2. 启动一个 goroutine 来处理聊天逻辑
+	go func() {
+		defer close(outChan) // 确保在函数结束时关闭通道
+		//3. 调用 StreamChat 函数进行流式聊天
+		err := agent.StreamChat(ctx, s.AIHub.Worker, userMessage, outChan)
+		if err != nil {
+			errChan <- err
+			return
+		}
+	}()
+	return outChan, errChan
+}