feat: Support for Chat Flow & Agent Support for binding a single chat flow (#765)

Co-authored-by: Yu Yang <72337138+tomasyu985@users.noreply.github.com>
Co-authored-by: zengxiaohui <csu.zengxiaohui@gmail.com>
Co-authored-by: lijunwen.gigoo <lijunwen.gigoo@bytedance.com>
Co-authored-by: lvxinyu.1117 <lvxinyu.1117@bytedance.com>
Co-authored-by: liuyunchao.0510 <liuyunchao.0510@bytedance.com>
Co-authored-by: haozhenfei <37089575+haozhenfei@users.noreply.github.com>
Co-authored-by: July <jiangxujin@bytedance.com>
Co-authored-by: tecvan-fe <fanwenjie.fe@bytedance.com>

backend/crossdomain/contract/agent/single_agent.go

@@ -21,17 +21,31 @@ import (
 
 	"github.com/cloudwego/eino/schema"
 
-	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/message"
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/agentrun"
 	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/singleagent"
 )
 
 // Requests and responses must not reference domain entities and can only use models under api/model/crossdomain.
 type SingleAgent interface {
-	StreamExecute(ctx context.Context, historyMsg []*message.Message, query *message.Message,
-		agentRuntime *singleagent.AgentRuntime) (*schema.StreamReader[*singleagent.AgentEvent], error)
+	StreamExecute(ctx context.Context,
+		agentRuntime *AgentRuntime) (*schema.StreamReader[*singleagent.AgentEvent], error)
 	ObtainAgentByIdentity(ctx context.Context, identity *singleagent.AgentIdentity) (*singleagent.SingleAgent, error)
 }
 
+type AgentRuntime struct {
+	AgentVersion     string
+	UserID           string
+	AgentID          int64
+	IsDraft          bool
+	SpaceID          int64
+	ConnectorID      int64
+	PreRetrieveTools []*agentrun.Tool
+
+	HistoryMsg []*schema.Message
+	Input      *schema.Message
+	ResumeInfo *ResumeInfo
+}
+
 type ResumeInfo = singleagent.InterruptInfo
 
 type AgentEvent = singleagent.AgentEvent