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/domain/workflow/internal/nodes/conversation/clearconversationhistory.go

@@ -0,0 +1,141 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package conversation
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"sync/atomic"
+
+	workflowModel "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/workflow"
+	crossconversation "github.com/coze-dev/coze-studio/backend/crossdomain/contract/conversation"
+	wf "github.com/coze-dev/coze-studio/backend/domain/workflow"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/canvas/convert"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/execute"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
+	"github.com/coze-dev/coze-studio/backend/pkg/errorx"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ternary"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+type ClearConversationHistoryConfig struct{}
+
+type ClearConversationHistory struct{}
+
+func (c *ClearConversationHistoryConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*schema.NodeSchema, error) {
+	ns := &schema.NodeSchema{
+		Key:     vo.NodeKey(n.ID),
+		Type:    entity.NodeTypeClearConversationHistory,
+		Name:    n.Data.Meta.Title,
+		Configs: c,
+	}
+
+	if err := convert.SetInputsForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	if err := convert.SetOutputTypesForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	return ns, nil
+}
+
+func (c *ClearConversationHistoryConfig) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
+	return &ClearConversationHistory{}, nil
+}
+
+func (c *ClearConversationHistory) Invoke(ctx context.Context, in map[string]any) (map[string]any, error) {
+
+	var (
+		execCtx     = execute.GetExeCtx(ctx)
+		env         = ternary.IFElse(execCtx.ExeCfg.Mode == workflowModel.ExecuteModeRelease, vo.Online, vo.Draft)
+		appID       = execCtx.ExeCfg.AppID
+		agentID     = execCtx.ExeCfg.AgentID
+		connectorID = execCtx.ExeCfg.ConnectorID
+		userID      = execCtx.ExeCfg.Operator
+		version     = execCtx.ExeCfg.Version
+	)
+
+	if agentID != nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, fmt.Errorf("in the agent scenario, query conversation list is not available"))
+	}
+	if appID == nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, fmt.Errorf("query conversation list node, app id is required"))
+	}
+
+	conversationName, ok := in["conversationName"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("conversation name is required"))
+	}
+
+	t, existed, err := wf.GetRepository().GetConversationTemplate(ctx, env, vo.GetConversationTemplatePolicy{
+		AppID:   appID,
+		Name:    ptr.Of(conversationName),
+		Version: ptr.Of(version),
+	})
+
+	if err != nil {
+		return nil, vo.WrapError(errno.ErrConversationNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+	}
+	var conversationID int64
+	if existed {
+		ret, existed, err := wf.GetRepository().GetStaticConversationByTemplateID(ctx, env, userID, connectorID, t.TemplateID)
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrConversationNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+		if existed {
+			conversationID = ret.ConversationID
+		}
+	} else {
+		ret, existed, err := wf.GetRepository().GetDynamicConversationByName(ctx, env, *appID, connectorID, userID, conversationName)
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrConversationNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+		if existed {
+			conversationID = ret.ConversationID
+		}
+	}
+
+	if !existed {
+		return map[string]any{
+			"isSuccess": false,
+		}, nil
+	}
+
+	resp, err := crossconversation.DefaultSVC().ClearConversationHistory(ctx, &crossconversation.ClearConversationHistoryReq{
+		ConversationID: conversationID,
+	})
+	if err != nil {
+		return nil, vo.WrapError(errno.ErrConversationNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+	}
+	if resp == nil {
+		return nil, vo.WrapError(errno.ErrConversationNodeOperationFail, fmt.Errorf("clear conversation history failed, response is nil"))
+	}
+	if execCtx.ExeCfg.SectionID != nil {
+		atomic.StoreInt64(execCtx.ExeCfg.SectionID, resp.SectionID)
+	}
+	return map[string]any{
+		"isSuccess": true,
+	}, nil
+
+}

backend/domain/workflow/internal/nodes/conversation/conversationhistory.go

@@ -0,0 +1,190 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package conversation
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	workflowModel "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/workflow"
+	crossconversation "github.com/coze-dev/coze-studio/backend/crossdomain/contract/conversation"
+	crossmessage "github.com/coze-dev/coze-studio/backend/crossdomain/contract/message"
+
+	wf "github.com/coze-dev/coze-studio/backend/domain/workflow"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/canvas/convert"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/execute"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
+	"github.com/coze-dev/coze-studio/backend/pkg/errorx"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ternary"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+type ConversationHistoryConfig struct{}
+
+type ConversationHistory struct{}
+
+func (ch *ConversationHistoryConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*schema.NodeSchema, error) {
+	ns := &schema.NodeSchema{
+		Key:     vo.NodeKey(n.ID),
+		Type:    entity.NodeTypeConversationHistory,
+		Name:    n.Data.Meta.Title,
+		Configs: ch,
+	}
+
+	if err := convert.SetInputsForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	if err := convert.SetOutputTypesForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	return ns, nil
+}
+
+func (ch *ConversationHistoryConfig) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
+	return &ConversationHistory{}, nil
+}
+
+func (ch *ConversationHistory) Invoke(ctx context.Context, input map[string]any) (map[string]any, error) {
+	var (
+		execCtx     = execute.GetExeCtx(ctx)
+		env         = ternary.IFElse(execCtx.ExeCfg.Mode == workflowModel.ExecuteModeRelease, vo.Online, vo.Draft)
+		appID       = execCtx.ExeCfg.AppID
+		agentID     = execCtx.ExeCfg.AgentID
+		connectorID = execCtx.ExeCfg.ConnectorID
+		userID      = execCtx.ExeCfg.Operator
+		version     = execCtx.ExeCfg.Version
+		initRunID   = execCtx.ExeCfg.InitRoundID
+	)
+	if agentID != nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, fmt.Errorf("in the agent scenario, query conversation list is not available"))
+	}
+	if appID == nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, fmt.Errorf("query conversation list node, app id is required"))
+	}
+
+	conversationName, ok := input["conversationName"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("conversation name is required"))
+	}
+
+	rounds, ok := input["rounds"].(int64)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("rounds is required"))
+	}
+
+	template, existed, err := wf.GetRepository().GetConversationTemplate(ctx, env, vo.GetConversationTemplatePolicy{
+		AppID:   appID,
+		Name:    ptr.Of(conversationName),
+		Version: ptr.Of(version),
+	})
+
+	if err != nil {
+		return nil, vo.WrapError(errno.ErrConversationNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+	}
+
+	var conversationID int64
+	if existed {
+		var sc *entity.StaticConversation
+		sc, existed, err = wf.GetRepository().GetStaticConversationByTemplateID(ctx, env, userID, connectorID, template.TemplateID)
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrConversationNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+		if existed {
+			conversationID = sc.ConversationID
+		}
+
+	} else {
+		var dc *entity.DynamicConversation
+		dc, existed, err = wf.GetRepository().GetDynamicConversationByName(ctx, env, *appID, connectorID, userID, conversationName)
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrConversationNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+		if existed {
+			conversationID = dc.ConversationID
+		}
+	}
+
+	if !existed {
+		return nil, vo.WrapError(errno.ErrConversationOfAppNotFound, fmt.Errorf("the conversation name does not exist: '%v'", conversationName))
+	}
+
+	currentConversationID := execCtx.ExeCfg.ConversationID
+	isCurrentConversation := currentConversationID != nil && *currentConversationID == conversationID
+	var sectionID int64
+	if isCurrentConversation {
+		if execCtx.ExeCfg.SectionID == nil {
+			return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("section id is required"))
+		}
+		sectionID = *execCtx.ExeCfg.SectionID
+	} else {
+		cInfo, err := crossconversation.DefaultSVC().GetByID(ctx, conversationID)
+		if err != nil {
+			return nil, err
+		}
+		sectionID = cInfo.SectionID
+	}
+
+	runIDs, err := crossmessage.DefaultSVC().GetLatestRunIDs(ctx, &crossmessage.GetLatestRunIDsRequest{
+		ConversationID: conversationID,
+		UserID:         userID,
+		AppID:          *appID,
+		Rounds:         rounds,
+		InitRunID:      initRunID,
+		SectionID:      sectionID,
+	})
+
+	if err != nil {
+		return nil, vo.WrapError(errno.ErrConversationNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+	}
+
+	if len(runIDs) == 0 {
+		return map[string]any{
+			"messageList": []any{},
+		}, nil
+	}
+
+	response, err := crossmessage.DefaultSVC().GetMessagesByRunIDs(ctx, &crossmessage.GetMessagesByRunIDsRequest{
+		ConversationID: conversationID,
+		RunIDs:         runIDs,
+	})
+	if err != nil {
+		return nil, vo.WrapError(errno.ErrConversationNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+	}
+
+	var messageList []any
+	for _, msg := range response.Messages {
+		content, err := nodes.ConvertMessageToString(ctx, msg)
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrConversationNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+		messageList = append(messageList, map[string]any{
+			"role":    string(msg.Role),
+			"content": content,
+		})
+	}
+
+	return map[string]any{
+		"messageList": messageList,
+	}, nil
+}

backend/domain/workflow/internal/nodes/conversation/conversationlist.go

@@ -0,0 +1,153 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package conversation
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+
+	workflowModel "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/workflow"
+
+	"github.com/coze-dev/coze-studio/backend/domain/workflow"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/canvas/convert"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/execute"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/slices"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ternary"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+type ConversationList struct{}
+
+type ConversationListConfig struct{}
+
+func (c *ConversationListConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*schema.NodeSchema, error) {
+	ns := &schema.NodeSchema{
+		Key:     vo.NodeKey(n.ID),
+		Type:    entity.NodeTypeConversationList,
+		Name:    n.Data.Meta.Title,
+		Configs: c,
+	}
+
+	if err := convert.SetInputsForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	if err := convert.SetOutputTypesForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	return ns, nil
+}
+
+func (c *ConversationListConfig) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
+	return &ConversationList{}, nil
+}
+
+type conversationInfo struct {
+	conversationName string
+	conversationId   string
+}
+
+func (c *ConversationList) Invoke(ctx context.Context, _ map[string]any) (map[string]any, error) {
+	var (
+		execCtx     = execute.GetExeCtx(ctx)
+		env         = ternary.IFElse(execCtx.ExeCfg.Mode == workflowModel.ExecuteModeRelease, vo.Online, vo.Draft)
+		appID       = execCtx.ExeCfg.AppID
+		agentID     = execCtx.ExeCfg.AgentID
+		connectorID = execCtx.ExeCfg.ConnectorID
+		userID      = execCtx.ExeCfg.Operator
+		version     = execCtx.ExeCfg.Version
+	)
+	if agentID != nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, fmt.Errorf("in the agent scenario, query conversation list is not available"))
+	}
+	if appID == nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, fmt.Errorf("query conversation list node, app id is required"))
+	}
+
+	templates, err := workflow.GetRepository().ListConversationTemplate(ctx, env, &vo.ListConversationTemplatePolicy{
+		AppID:   *appID,
+		Version: ptr.Of(version),
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	templateIds := make([]int64, 0, len(templates))
+	for _, template := range templates {
+		templateIds = append(templateIds, template.TemplateID)
+	}
+
+	staticConversations, err := workflow.GetRepository().MGetStaticConversation(ctx, env, userID, connectorID, templateIds)
+	if err != nil {
+		return nil, err
+	}
+
+	templateIDToConvID := slices.ToMap(staticConversations, func(conv *entity.StaticConversation) (int64, int64) {
+		return conv.TemplateID, conv.ConversationID
+	})
+
+	var conversationList []conversationInfo
+
+	for _, template := range templates {
+		convID, ok := templateIDToConvID[template.TemplateID]
+		if !ok {
+			convID = 0
+		}
+		conversationList = append(conversationList, conversationInfo{
+			conversationName: template.Name,
+			conversationId:   strconv.FormatInt(convID, 10),
+		})
+	}
+
+	dynamicConversations, err := workflow.GetRepository().ListDynamicConversation(ctx, env, &vo.ListConversationPolicy{
+		ListConversationMeta: vo.ListConversationMeta{
+			APPID:       *appID,
+			UserID:      userID,
+			ConnectorID: connectorID,
+		},
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	for _, conv := range dynamicConversations {
+		conversationList = append(conversationList, conversationInfo{
+			conversationName: conv.Name,
+			conversationId:   strconv.FormatInt(conv.ConversationID, 10),
+		})
+	}
+
+	resultList := make([]any, len(conversationList))
+	for i, v := range conversationList {
+		resultList[i] = map[string]any{
+			"conversationName": v.conversationName,
+			"conversationId":   v.conversationId,
+		}
+	}
+
+	return map[string]any{
+		"conversationList": resultList,
+	}, nil
+
+}

backend/domain/workflow/internal/nodes/conversation/createconversation.go

@@ -0,0 +1,142 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package conversation
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/coze-dev/coze-studio/backend/api/model/conversation/common"
+
+	workflowModel "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/workflow"
+	crossconversation "github.com/coze-dev/coze-studio/backend/crossdomain/contract/conversation"
+	conventity "github.com/coze-dev/coze-studio/backend/domain/conversation/conversation/entity"
+
+	"github.com/coze-dev/coze-studio/backend/domain/workflow"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/canvas/convert"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/execute"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ternary"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+type CreateConversationConfig struct{}
+
+type CreateConversation struct{}
+
+func (c *CreateConversationConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*schema.NodeSchema, error) {
+	ns := &schema.NodeSchema{
+		Key:     vo.NodeKey(n.ID),
+		Type:    entity.NodeTypeCreateConversation,
+		Name:    n.Data.Meta.Title,
+		Configs: c,
+	}
+
+	if err := convert.SetInputsForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	if err := convert.SetOutputTypesForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	return ns, nil
+}
+
+func (c *CreateConversationConfig) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
+	return &CreateConversation{}, nil
+}
+
+func (c *CreateConversation) Invoke(ctx context.Context, input map[string]any) (map[string]any, error) {
+
+	var (
+		execCtx                 = execute.GetExeCtx(ctx)
+		env                     = ternary.IFElse(execCtx.ExeCfg.Mode == workflowModel.ExecuteModeRelease, vo.Online, vo.Draft)
+		appID                   = execCtx.ExeCfg.AppID
+		agentID                 = execCtx.ExeCfg.AgentID
+		version                 = execCtx.ExeCfg.Version
+		connectorID             = execCtx.ExeCfg.ConnectorID
+		userID                  = execCtx.ExeCfg.Operator
+		conversationIDGenerator = workflow.ConversationIDGenerator(func(ctx context.Context, appID int64, userID, connectorID int64) (*conventity.Conversation, error) {
+			return crossconversation.DefaultSVC().CreateConversation(ctx, &conventity.CreateMeta{
+				AgentID:     appID,
+				UserID:      userID,
+				ConnectorID: connectorID,
+				Scene:       common.Scene_SceneWorkflow,
+			})
+		})
+	)
+	if agentID != nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, fmt.Errorf("in the agent scenario, create conversation is not available"))
+	}
+
+	if appID == nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, errors.New("create conversation node, app id is required"))
+	}
+
+	conversationName, ok := input["conversationName"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("conversation name is required"))
+	}
+
+	template, existed, err := workflow.GetRepository().GetConversationTemplate(ctx, env, vo.GetConversationTemplatePolicy{
+		AppID:   appID,
+		Name:    ptr.Of(conversationName),
+		Version: ptr.Of(version),
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	if existed {
+		cID, _, existed, err := workflow.GetRepository().GetOrCreateStaticConversation(ctx, env, conversationIDGenerator, &vo.CreateStaticConversation{
+			AppID:       ptr.From(appID),
+			TemplateID:  template.TemplateID,
+			UserID:      userID,
+			ConnectorID: connectorID,
+		})
+		if err != nil {
+			return nil, err
+		}
+		return map[string]any{
+			"isSuccess":      true,
+			"conversationId": cID,
+			"isExisted":      existed,
+		}, nil
+	}
+
+	cID, _, existed, err := workflow.GetRepository().GetOrCreateDynamicConversation(ctx, env, conversationIDGenerator, &vo.CreateDynamicConversation{
+		AppID:       ptr.From(appID),
+		UserID:      userID,
+		ConnectorID: connectorID,
+		Name:        conversationName,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return map[string]any{
+		"isSuccess":      true,
+		"conversationId": cID,
+		"isExisted":      existed,
+	}, nil
+
+}

backend/domain/workflow/internal/nodes/conversation/createmessage.go

@@ -0,0 +1,299 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package conversation
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/coze-dev/coze-studio/backend/api/model/conversation/common"
+	conventity "github.com/coze-dev/coze-studio/backend/domain/conversation/conversation/entity"
+
+	"strconv"
+	"sync/atomic"
+
+	einoSchema "github.com/cloudwego/eino/schema"
+	model "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/message"
+	workflowModel "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/workflow"
+	crossagentrun "github.com/coze-dev/coze-studio/backend/crossdomain/contract/agentrun"
+	crossconversation "github.com/coze-dev/coze-studio/backend/crossdomain/contract/conversation"
+	crossmessage "github.com/coze-dev/coze-studio/backend/crossdomain/contract/message"
+	"github.com/coze-dev/coze-studio/backend/pkg/errorx"
+
+	agententity "github.com/coze-dev/coze-studio/backend/domain/conversation/agentrun/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/canvas/convert"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/execute"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ternary"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+type CreateMessageConfig struct{}
+
+type CreateMessage struct{}
+
+func (c *CreateMessageConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*schema.NodeSchema, error) {
+	ns := &schema.NodeSchema{
+		Key:     vo.NodeKey(n.ID),
+		Type:    entity.NodeTypeCreateMessage,
+		Name:    n.Data.Meta.Title,
+		Configs: c,
+	}
+
+	if err := convert.SetInputsForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	if err := convert.SetOutputTypesForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	return ns, nil
+}
+
+func (c *CreateMessageConfig) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
+	return &CreateMessage{}, nil
+}
+
+func (c *CreateMessage) getConversationIDByName(ctx context.Context, env vo.Env, appID *int64, version, conversationName string, userID, connectorID int64) (int64, error) {
+	template, isExist, err := workflow.GetRepository().GetConversationTemplate(ctx, env, vo.GetConversationTemplatePolicy{
+		AppID:   appID,
+		Name:    ptr.Of(conversationName),
+		Version: ptr.Of(version),
+	})
+	if err != nil {
+		return 0, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+	}
+
+	conversationIDGenerator := workflow.ConversationIDGenerator(func(ctx context.Context, appID int64, userID, connectorID int64) (*conventity.Conversation, error) {
+		return crossconversation.DefaultSVC().CreateConversation(ctx, &conventity.CreateMeta{
+			AgentID:     appID,
+			UserID:      userID,
+			ConnectorID: connectorID,
+			Scene:       common.Scene_SceneWorkflow,
+		})
+	})
+
+	var conversationID int64
+	if isExist {
+		cID, _, _, err := workflow.GetRepository().GetOrCreateStaticConversation(ctx, env, conversationIDGenerator, &vo.CreateStaticConversation{
+			AppID:       ptr.From(appID),
+			TemplateID:  template.TemplateID,
+			UserID:      userID,
+			ConnectorID: connectorID,
+		})
+		if err != nil {
+			return 0, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+		conversationID = cID
+	} else {
+		dc, _, err := workflow.GetRepository().GetDynamicConversationByName(ctx, env, *appID, connectorID, userID, conversationName)
+		if err != nil {
+			return 0, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+		if dc != nil {
+			conversationID = dc.ConversationID
+		}
+	}
+	return conversationID, nil
+}
+
+func (c *CreateMessage) Invoke(ctx context.Context, input map[string]any) (map[string]any, error) {
+	var (
+		execCtx     = execute.GetExeCtx(ctx)
+		env         = ternary.IFElse(execCtx.ExeCfg.Mode == workflowModel.ExecuteModeRelease, vo.Online, vo.Draft)
+		appID       = execCtx.ExeCfg.AppID
+		agentID     = execCtx.ExeCfg.AgentID
+		version     = execCtx.ExeCfg.Version
+		connectorID = execCtx.ExeCfg.ConnectorID
+		userID      = execCtx.ExeCfg.Operator
+	)
+
+	conversationName, ok := input["conversationName"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("conversationName is required"))
+	}
+
+	role, ok := input["role"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("role is required"))
+	}
+	if role != "user" && role != "assistant" {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, fmt.Errorf("role must be user or assistant"))
+	}
+
+	content, ok := input["content"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("content is required"))
+	}
+
+	var conversationID int64
+	var err error
+	var resolvedAppID int64
+	if appID == nil {
+		if conversationName != "Default" {
+			return nil, vo.WrapError(errno.ErrOnlyDefaultConversationAllowInAgentScenario, errors.New("conversation node only allow in application"))
+		}
+		if agentID == nil || execCtx.ExeCfg.ConversationID == nil {
+			return map[string]any{
+				"isSuccess": false,
+				"message": map[string]any{
+					"messageId":   "0",
+					"role":        role,
+					"contentType": "text",
+					"content":     content,
+				},
+			}, nil
+		}
+		conversationID = *execCtx.ExeCfg.ConversationID
+		resolvedAppID = *agentID
+	} else {
+		conversationID, err = c.getConversationIDByName(ctx, env, appID, version, conversationName, userID, connectorID)
+		if err != nil {
+			return nil, err
+		}
+		resolvedAppID = *appID
+	}
+
+	if conversationID == 0 {
+		return map[string]any{
+			"isSuccess": false,
+			"message": map[string]any{
+				"messageId":   "0",
+				"role":        role,
+				"contentType": "text",
+				"content":     content,
+			},
+		}, nil
+	}
+
+	currentConversationID := execCtx.ExeCfg.ConversationID
+	isCurrentConversation := currentConversationID != nil && *currentConversationID == conversationID
+	var runID int64
+	var sectionID int64
+	if isCurrentConversation {
+		if execCtx.ExeCfg.SectionID != nil {
+			sectionID = *execCtx.ExeCfg.SectionID
+		} else {
+			return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("section id is required"))
+		}
+	} else {
+		cInfo, err := crossconversation.DefaultSVC().GetByID(ctx, conversationID)
+		if err != nil {
+			return nil, err
+		}
+		sectionID = cInfo.SectionID
+	}
+
+	if role == "user" {
+		// For user messages, always create a new run and store the ID in the context.
+		runRecord, err := crossagentrun.DefaultSVC().Create(ctx, &agententity.AgentRunMeta{
+			AgentID:        resolvedAppID,
+			ConversationID: conversationID,
+			UserID:         strconv.FormatInt(userID, 10),
+			ConnectorID:    connectorID,
+			SectionID:      sectionID,
+		})
+		if err != nil {
+			return nil, err
+		}
+		newRunID := runRecord.ID
+		if execCtx.ExeCfg.RoundID != nil {
+			atomic.StoreInt64(execCtx.ExeCfg.RoundID, newRunID)
+		}
+		runID = newRunID
+	} else if isCurrentConversation {
+		// For assistant messages in the same conversation, reuse the runID from the context.
+		if execCtx.ExeCfg.RoundID == nil {
+			// This indicates an inconsistent state, as a user message should have set this.
+			return map[string]any{
+				"isSuccess": false,
+				"message": map[string]any{
+					"messageId":   "0",
+					"role":        role,
+					"contentType": "text",
+					"content":     content,
+				},
+			}, nil
+		}
+		runID = *execCtx.ExeCfg.RoundID
+	} else {
+		// For assistant messages in a different conversation or a new workflow run,
+		// find the latest runID or create a new one as a fallback.
+		runIDs, err := crossmessage.DefaultSVC().GetLatestRunIDs(ctx, &crossmessage.GetLatestRunIDsRequest{
+			ConversationID: conversationID,
+			UserID:         userID,
+			AppID:          resolvedAppID,
+			Rounds:         1,
+		})
+		if err != nil {
+			return nil, err
+		}
+		if len(runIDs) > 0 && runIDs[0] != 0 {
+			runID = runIDs[0]
+		} else {
+			runRecord, err := crossagentrun.DefaultSVC().Create(ctx, &agententity.AgentRunMeta{
+				AgentID:        resolvedAppID,
+				ConversationID: conversationID,
+				UserID:         strconv.FormatInt(userID, 10),
+				ConnectorID:    connectorID,
+				SectionID:      sectionID,
+			})
+			if err != nil {
+				return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+			}
+			runID = runRecord.ID
+		}
+	}
+
+	message := &model.Message{
+		ConversationID: conversationID,
+		Role:           einoSchema.RoleType(role),
+		Content:        content,
+		ContentType:    model.ContentType("text"),
+		UserID:         strconv.FormatInt(userID, 10),
+		AgentID:        resolvedAppID,
+		RunID:          runID,
+		SectionID:      sectionID,
+	}
+	if message.Role == einoSchema.User {
+		message.MessageType = model.MessageTypeQuestion
+	} else {
+		message.MessageType = model.MessageTypeAnswer
+	}
+	msg, err := crossmessage.DefaultSVC().Create(ctx, message)
+	if err != nil {
+		return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+	}
+
+	messageOutput := map[string]any{
+		"messageId":   msg.ID,
+		"role":        role,
+		"contentType": "text",
+		"content":     content,
+	}
+
+	return map[string]any{
+		"isSuccess": true,
+		"message":   messageOutput,
+	}, nil
+}

backend/domain/workflow/internal/nodes/conversation/deleteconversation.go

@@ -0,0 +1,122 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package conversation
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	workflowModel "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/workflow"
+
+	"github.com/coze-dev/coze-studio/backend/domain/workflow"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/canvas/convert"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/execute"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ternary"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+type DeleteConversationConfig struct{}
+
+type DeleteConversation struct{}
+
+func (d *DeleteConversationConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*schema.NodeSchema, error) {
+	ns := &schema.NodeSchema{
+		Key:     vo.NodeKey(n.ID),
+		Type:    entity.NodeTypeConversationDelete,
+		Name:    n.Data.Meta.Title,
+		Configs: d,
+	}
+
+	if err := convert.SetInputsForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	if err := convert.SetOutputTypesForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	return ns, nil
+}
+
+func (d *DeleteConversationConfig) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
+	return &DeleteConversation{}, nil
+}
+
+func (d *DeleteConversation) Invoke(ctx context.Context, in map[string]any) (map[string]any, error) {
+
+	var (
+		execCtx     = execute.GetExeCtx(ctx)
+		env         = ternary.IFElse(execCtx.ExeCfg.Mode == workflowModel.ExecuteModeRelease, vo.Online, vo.Draft)
+		appID       = execCtx.ExeCfg.AppID
+		agentID     = execCtx.ExeCfg.AgentID
+		version     = execCtx.ExeCfg.Version
+		connectorID = execCtx.ExeCfg.ConnectorID
+		userID      = execCtx.ExeCfg.Operator
+	)
+
+	if agentID != nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, fmt.Errorf("in the agent scenario, delete conversation is not available"))
+	}
+
+	if appID == nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, errors.New("delete conversation node, app id is required"))
+	}
+
+	cName, ok := in["conversationName"]
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("conversation name is required"))
+	}
+
+	conversationName := cName.(string)
+
+	_, existed, err := workflow.GetRepository().GetConversationTemplate(ctx, env, vo.GetConversationTemplatePolicy{
+		AppID:   appID,
+		Name:    ptr.Of(conversationName),
+		Version: ptr.Of(version),
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	if existed {
+		return nil, vo.WrapError(errno.ErrConversationNodeInvalidOperation, fmt.Errorf("only conversation created through nodes are allowed to be modified or deleted"))
+	}
+
+	dyConversation, existed, err := workflow.GetRepository().GetDynamicConversationByName(ctx, env, *appID, connectorID, userID, conversationName)
+	if err != nil {
+		return nil, err
+	}
+
+	if !existed {
+		return nil, vo.WrapError(errno.ErrConversationOfAppNotFound, fmt.Errorf("the conversation name does not exist: '%v'", conversationName))
+	}
+
+	_, err = workflow.GetRepository().DeleteDynamicConversation(ctx, env, dyConversation.ID)
+	if err != nil {
+		return nil, err
+	}
+
+	return map[string]any{
+		"isSuccess": true,
+	}, nil
+}

backend/domain/workflow/internal/nodes/conversation/deletemessage.go

@@ -0,0 +1,162 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package conversation
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strconv"
+
+	workflowModel "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/workflow"
+	crossmessage "github.com/coze-dev/coze-studio/backend/crossdomain/contract/message"
+	msgentity "github.com/coze-dev/coze-studio/backend/domain/conversation/message/entity"
+	"github.com/coze-dev/coze-studio/backend/pkg/errorx"
+
+	wf "github.com/coze-dev/coze-studio/backend/domain/workflow"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/canvas/convert"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/execute"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ternary"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+type DeleteMessageConfig struct{}
+
+type DeleteMessage struct{}
+
+func (d *DeleteMessageConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*schema.NodeSchema, error) {
+	ns := &schema.NodeSchema{
+		Key:     vo.NodeKey(n.ID),
+		Type:    entity.NodeTypeDeleteMessage,
+		Name:    n.Data.Meta.Title,
+		Configs: d,
+	}
+
+	if err := convert.SetInputsForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	if err := convert.SetOutputTypesForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	return ns, nil
+}
+
+func (d *DeleteMessageConfig) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
+	return &DeleteMessage{}, nil
+}
+
+func (d *DeleteMessage) Invoke(ctx context.Context, input map[string]any) (map[string]any, error) {
+	var (
+		execCtx     = execute.GetExeCtx(ctx)
+		env         = ternary.IFElse(execCtx.ExeCfg.Mode == workflowModel.ExecuteModeRelease, vo.Online, vo.Draft)
+		appID       = execCtx.ExeCfg.AppID
+		agentID     = execCtx.ExeCfg.AgentID
+		version     = execCtx.ExeCfg.Version
+		connectorID = execCtx.ExeCfg.ConnectorID
+		userID      = execCtx.ExeCfg.Operator
+
+		successMap = map[string]any{
+			"isSuccess": true,
+		}
+		failedMap = map[string]any{
+			"isSuccess": false,
+		}
+	)
+
+	conversationName, ok := input["conversationName"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("conversationName is required"))
+	}
+	messageStr, ok := input["messageId"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("messageId is required"))
+	}
+	messageID, err := strconv.ParseInt(messageStr, 10, 64)
+	if err != nil {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, err)
+	}
+
+	if appID == nil {
+		if conversationName != "Default" {
+			return nil, vo.WrapError(errno.ErrOnlyDefaultConversationAllowInAgentScenario, fmt.Errorf("only default conversation allow in agent scenario"))
+		}
+
+		if agentID == nil || execCtx.ExeCfg.ConversationID == nil {
+			return failedMap, nil
+		}
+
+		err = crossmessage.DefaultSVC().Delete(ctx, &msgentity.DeleteMeta{MessageIDs: []int64{messageID}, ConversationID: execCtx.ExeCfg.ConversationID})
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+
+		return successMap, nil
+	}
+
+	t, existed, err := wf.GetRepository().GetConversationTemplate(ctx, env, vo.GetConversationTemplatePolicy{
+		AppID:   appID,
+		Name:    ptr.Of(conversationName),
+		Version: ptr.Of(version),
+	})
+	if err != nil {
+		return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+	}
+
+	if existed {
+		sc, existed, err := wf.GetRepository().GetStaticConversationByTemplateID(ctx, env, userID, connectorID, t.TemplateID)
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+
+		if !existed {
+			return failedMap, nil
+		}
+
+		err = crossmessage.DefaultSVC().Delete(ctx, &msgentity.DeleteMeta{MessageIDs: []int64{messageID}, ConversationID: ptr.Of(sc.ConversationID)})
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+
+		return successMap, nil
+
+	} else {
+		dc, existed, err := wf.GetRepository().GetDynamicConversationByName(ctx, env, *appID, connectorID, userID, conversationName)
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+
+		if !existed {
+			return failedMap, nil
+		}
+
+		err = crossmessage.DefaultSVC().Delete(ctx, &msgentity.DeleteMeta{MessageIDs: []int64{messageID}, ConversationID: ptr.Of(dc.ConversationID)})
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+
+		return successMap, nil
+
+	}
+
+}

backend/domain/workflow/internal/nodes/conversation/editmessage.go

@@ -0,0 +1,181 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package conversation
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	model "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/message"
+	"strconv"
+
+	workflowModel "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/workflow"
+	"github.com/coze-dev/coze-studio/backend/crossdomain/contract/message"
+	crossmessage "github.com/coze-dev/coze-studio/backend/crossdomain/contract/message"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/canvas/convert"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/execute"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
+	"github.com/coze-dev/coze-studio/backend/pkg/errorx"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ternary"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+type EditMessageConfig struct{}
+
+type EditMessage struct{}
+
+func (e *EditMessageConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*schema.NodeSchema, error) {
+	ns := &schema.NodeSchema{
+		Key:     vo.NodeKey(n.ID),
+		Type:    entity.NodeTypeEditMessage,
+		Name:    n.Data.Meta.Title,
+		Configs: e,
+	}
+
+	if err := convert.SetInputsForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	if err := convert.SetOutputTypesForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	return ns, nil
+}
+
+func (e *EditMessageConfig) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
+	return &EditMessage{}, nil
+}
+
+func (e *EditMessage) Invoke(ctx context.Context, input map[string]any) (map[string]any, error) {
+	var (
+		execCtx     = execute.GetExeCtx(ctx)
+		env         = ternary.IFElse(execCtx.ExeCfg.Mode == workflowModel.ExecuteModeRelease, vo.Online, vo.Draft)
+		appID       = execCtx.ExeCfg.AppID
+		agentID     = execCtx.ExeCfg.AgentID
+		version     = execCtx.ExeCfg.Version
+		connectorID = execCtx.ExeCfg.ConnectorID
+		userID      = execCtx.ExeCfg.Operator
+
+		successMap = map[string]any{
+			"isSuccess": true,
+		}
+		failedMap = map[string]any{
+			"isSuccess": false,
+		}
+	)
+
+	conversationName, ok := input["conversationName"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("conversationName is required"))
+	}
+
+	messageStr, ok := input["messageId"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("messageId is required"))
+	}
+
+	messageID, err := strconv.ParseInt(messageStr, 10, 64)
+	if err != nil {
+		return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+	}
+
+	newContent, ok := input["newContent"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("newContent is required"))
+	}
+
+	if appID == nil {
+		if conversationName != "Default" {
+			return nil, vo.WrapError(errno.ErrOnlyDefaultConversationAllowInAgentScenario, fmt.Errorf("only default conversation allow in agent scenario"))
+		}
+
+		if agentID == nil || execCtx.ExeCfg.ConversationID == nil {
+			return failedMap, nil
+		}
+
+		_, err = crossmessage.DefaultSVC().Edit(ctx, &model.Message{ConversationID: *execCtx.ExeCfg.ConversationID, ID: messageID, Content: newContent})
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+		return successMap, err
+	}
+
+	msg, err := message.DefaultSVC().GetMessageByID(ctx, messageID)
+	if err != nil {
+		return nil, err
+	}
+
+	if msg == nil {
+		return nil, vo.NewError(errno.ErrMessageNodeOperationFail, errorx.KV("cause", "message not found"))
+	}
+
+	if msg.Content == newContent {
+		return successMap, nil
+	}
+
+	t, existed, err := workflow.GetRepository().GetConversationTemplate(ctx, env, vo.GetConversationTemplatePolicy{
+		AppID:   appID,
+		Name:    ptr.Of(conversationName),
+		Version: ptr.Of(version),
+	})
+	if err != nil {
+		return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+	}
+
+	if existed {
+		sts, existed, err := workflow.GetRepository().GetStaticConversationByTemplateID(ctx, env, userID, connectorID, t.TemplateID)
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+
+		if !existed {
+			return failedMap, nil
+		}
+
+		_, err = crossmessage.DefaultSVC().Edit(ctx, &model.Message{ConversationID: sts.ConversationID, ID: messageID, Content: newContent})
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+
+		return successMap, nil
+
+	} else {
+		dyConversation, existed, err := workflow.GetRepository().GetDynamicConversationByName(ctx, env, *appID, connectorID, userID, conversationName)
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+
+		if !existed {
+			return failedMap, nil
+		}
+
+		_, err = crossmessage.DefaultSVC().Edit(ctx, &model.Message{ConversationID: dyConversation.ConversationID, ID: messageID, Content: newContent})
+		if err != nil {
+			return nil, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+
+		return successMap, nil
+
+	}
+
+}

backend/domain/workflow/internal/nodes/conversation/messagelist.go

@@ -0,0 +1,207 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package conversation
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strconv"
+
+	workflowModel "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/workflow"
+	crossmessage "github.com/coze-dev/coze-studio/backend/crossdomain/contract/message"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/canvas/convert"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/execute"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
+	"github.com/coze-dev/coze-studio/backend/pkg/errorx"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ternary"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+type MessageListConfig struct{}
+
+type MessageList struct{}
+
+func (m *MessageListConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*schema.NodeSchema, error) {
+	ns := &schema.NodeSchema{
+		Key:     vo.NodeKey(n.ID),
+		Type:    entity.NodeTypeMessageList,
+		Name:    n.Data.Meta.Title,
+		Configs: m,
+	}
+
+	if err := convert.SetInputsForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	if err := convert.SetOutputTypesForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	return ns, nil
+}
+
+func (m *MessageListConfig) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
+	return &MessageList{}, nil
+}
+
+func (m *MessageList) getConversationIDByName(ctx context.Context, env vo.Env, appID *int64, version, conversationName string, userID, connectorID int64) (int64, error) {
+	template, isExist, err := workflow.GetRepository().GetConversationTemplate(ctx, env, vo.GetConversationTemplatePolicy{
+		AppID:   appID,
+		Name:    ptr.Of(conversationName),
+		Version: ptr.Of(version),
+	})
+
+	if err != nil {
+		return 0, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+	}
+
+	var conversationID int64
+	if isExist {
+		sc, _, err := workflow.GetRepository().GetStaticConversationByTemplateID(ctx, env, userID, connectorID, template.TemplateID)
+		if err != nil {
+			return 0, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+		if sc != nil {
+			conversationID = sc.ConversationID
+		}
+	} else {
+		dc, _, err := workflow.GetRepository().GetDynamicConversationByName(ctx, env, *appID, connectorID, userID, conversationName)
+		if err != nil {
+			return 0, vo.WrapError(errno.ErrMessageNodeOperationFail, err, errorx.KV("cause", vo.UnwrapRootErr(err).Error()))
+		}
+		if dc != nil {
+			conversationID = dc.ConversationID
+		}
+	}
+
+	return conversationID, nil
+}
+
+func (m *MessageList) Invoke(ctx context.Context, input map[string]any) (map[string]any, error) {
+	var (
+		execCtx     = execute.GetExeCtx(ctx)
+		env         = ternary.IFElse(execCtx.ExeCfg.Mode == workflowModel.ExecuteModeRelease, vo.Online, vo.Draft)
+		appID       = execCtx.ExeCfg.AppID
+		agentID     = execCtx.ExeCfg.AgentID
+		version     = execCtx.ExeCfg.Version
+		connectorID = execCtx.ExeCfg.ConnectorID
+		userID      = execCtx.ExeCfg.Operator
+	)
+
+	conversationName, ok := input["conversationName"].(string)
+	if !ok {
+		return nil, vo.WrapError(errno.ErrConversationNodeInvalidOperation, errors.New("ConversationName is required"))
+	}
+
+	var conversationID int64
+	var err error
+	var resolvedAppID int64
+	if appID == nil {
+		if conversationName != "Default" {
+			return nil, vo.WrapError(errno.ErrOnlyDefaultConversationAllowInAgentScenario, errors.New("conversation node only allow in application"))
+		}
+		if agentID == nil || execCtx.ExeCfg.ConversationID == nil {
+			return map[string]any{
+				"messageList": []any{},
+				"firstId":     "0",
+				"lastId":      "0",
+				"hasMore":     false,
+			}, nil
+		}
+		conversationID = *execCtx.ExeCfg.ConversationID
+		resolvedAppID = *agentID
+	} else {
+		conversationID, err = m.getConversationIDByName(ctx, env, appID, version, conversationName, userID, connectorID)
+		if err != nil {
+			return nil, err
+		}
+		resolvedAppID = *appID
+	}
+
+	req := &crossmessage.MessageListRequest{
+		UserID:         userID,
+		AppID:          resolvedAppID,
+		ConversationID: conversationID,
+	}
+
+	if req.ConversationID == 0 {
+		return map[string]any{
+			"messageList": []any{},
+			"firstId":     "0",
+			"lastId":      "0",
+			"hasMore":     false,
+		}, nil
+	}
+
+	limit, ok := input["limit"].(int64)
+	if ok {
+		if limit > 0 && limit <= 50 {
+			req.Limit = limit
+		} else {
+			req.Limit = 50
+		}
+	} else {
+		req.Limit = 50
+	}
+	beforeID, ok := input["beforeId"].(string)
+	if ok {
+
+		req.BeforeID = &beforeID
+	}
+	afterID, ok := input["afterId"].(string)
+	if ok {
+
+		req.AfterID = &afterID
+	}
+
+	if beforeID != "" && afterID != "" {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, fmt.Errorf("BeforeID and AfterID cannot be set at the same time"))
+	}
+
+	ml, err := crossmessage.DefaultSVC().MessageList(ctx, req)
+	if err != nil {
+		return nil, err
+	}
+
+	var messageList []any
+	for _, msg := range ml.Messages {
+		content, err := nodes.ConvertMessageToString(ctx, msg)
+		if err != nil {
+			return nil, err
+		}
+		messageList = append(messageList, map[string]any{
+			"messageId":   strconv.FormatInt(msg.ID, 10),
+			"role":        string(msg.Role),
+			"contentType": msg.ContentType,
+			"content":     content,
+		})
+	}
+
+	return map[string]any{
+		"messageList": messageList,
+		"firstId":     ml.FirstID,
+		"lastId":      ml.LastID,
+		"hasMore":     ml.HasMore,
+	}, nil
+
+}

backend/domain/workflow/internal/nodes/conversation/updateconversation.go

@@ -0,0 +1,149 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package conversation
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strconv"
+
+	workflowModel "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/workflow"
+
+	wf "github.com/coze-dev/coze-studio/backend/domain/workflow"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/canvas/convert"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/execute"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
+	"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ternary"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+type UpdateConversationConfig struct{}
+
+type UpdateConversation struct{}
+
+func (c *UpdateConversationConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*schema.NodeSchema, error) {
+	ns := &schema.NodeSchema{
+		Key:     vo.NodeKey(n.ID),
+		Type:    entity.NodeTypeConversationUpdate,
+		Name:    n.Data.Meta.Title,
+		Configs: c,
+	}
+
+	if err := convert.SetInputsForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	if err := convert.SetOutputTypesForNodeSchema(n, ns); err != nil {
+		return nil, err
+	}
+
+	return ns, nil
+}
+
+func (c *UpdateConversationConfig) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
+	return &UpdateConversation{}, nil
+}
+
+func (c *UpdateConversation) Invoke(ctx context.Context, in map[string]any) (map[string]any, error) {
+
+	var (
+		execCtx     = execute.GetExeCtx(ctx)
+		env         = ternary.IFElse(execCtx.ExeCfg.Mode == workflowModel.ExecuteModeRelease, vo.Online, vo.Draft)
+		appID       = execCtx.ExeCfg.AppID
+		agentID     = execCtx.ExeCfg.AgentID
+		version     = execCtx.ExeCfg.Version
+		connectorID = execCtx.ExeCfg.ConnectorID
+		userID      = execCtx.ExeCfg.Operator
+	)
+	cName, ok := in["conversationName"]
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("conversation name is required"))
+	}
+
+	conversationName := cName.(string)
+
+	ncName, ok := in["newConversationName"]
+	if !ok {
+		return nil, vo.WrapError(errno.ErrInvalidParameter, errors.New("new conversationName name is required"))
+	}
+
+	newConversationName := ncName.(string)
+
+	if agentID != nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, fmt.Errorf("in the agent scenario, update conversation is not available"))
+	}
+
+	if appID == nil {
+		return nil, vo.WrapError(errno.ErrConversationNodesNotAvailable, errors.New("conversation update node, app id is required"))
+	}
+
+	_, existed, err := wf.GetRepository().GetConversationTemplate(ctx, env, vo.GetConversationTemplatePolicy{
+		AppID:   appID,
+		Name:    ptr.Of(conversationName),
+		Version: ptr.Of(version),
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	if existed {
+		return nil, vo.WrapError(errno.ErrConversationNodeInvalidOperation, fmt.Errorf("only conversation created through nodes are allowed to be modified or deleted"))
+	}
+
+	conversation, existed, err := wf.GetRepository().GetDynamicConversationByName(ctx, env, *appID, connectorID, userID, conversationName)
+	if err != nil {
+		return nil, err
+	}
+
+	if !existed {
+		return map[string]any{
+			"conversationId": "0",
+			"isSuccess":      false,
+			"isExisted":      false,
+		}, nil
+	}
+
+	ncConversation, existed, err := wf.GetRepository().GetDynamicConversationByName(ctx, env, *appID, connectorID, userID, newConversationName)
+	if err != nil {
+		return nil, err
+	}
+
+	if existed {
+		return map[string]any{
+			"conversationId": strconv.FormatInt(ncConversation.ConversationID, 10),
+			"isSuccess":      false,
+			"isExisted":      true,
+		}, nil
+	}
+
+	err = wf.GetRepository().UpdateDynamicConversationNameByID(ctx, env, conversation.ID, newConversationName)
+	if err != nil {
+		return nil, err
+	}
+
+	return map[string]any{
+		"conversationId": strconv.FormatInt(conversation.ConversationID, 10),
+		"isSuccess":      true,
+		"isExisted":      false,
+	}, nil
+
+}