diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index fc61e2a..caf40ed 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -15,13 +15,11 @@ ADD .docker/install-protoc-gen-validate.sh /tmp/
 RUN chmod +x /tmp/install-protoc-gen-validate.sh
 RUN /tmp/install-protoc-gen-validate.sh
 
-ADD .docker/requirements.txt /tmp/requirements.txt
-RUN pip --default-timeout=100 install -r /tmp/requirements.txt
-
 RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
 RUN go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
 ENV PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/root/go/bin"
 
-RUN echo $TARGETOS $TARGETARCH 
+ADD .docker/requirements.txt /tmp/requirements.txt
+RUN pip --default-timeout=100 install -r /tmp/requirements.txt
 
 #ENTRYPOINT ["/usr/local/bin/protoc"]
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 97fed3b..03af252 100644
--- a/Makefile
+++ b/Makefile
@@ -31,8 +31,9 @@ generate: clean python go build submodules
 		--python_out=python/naas_models \
 		--go_out=go \
 		--validate_out="lang=go:go" \
-		space.proto registry.proto iam.proto aimodel.proto chat.proto credit.proto secret.proto workspace.proto validate.proto
-		cd python/naas_models && sed -i.bak  's/import validate_pb2/import naas_models.validate_pb2/g' *.py && rm *.bak
+		space.proto registry.proto iam.proto aimodel.proto chat.proto credit.proto secret.proto workspace.proto validate.proto common.proto
+	cd python/naas_models && sed -i.bak  's/import validate_pb2/import naas_models.validate_pb2/g' *.py && rm *.bak
+	cd python/naas_models/pydantic && sed -i.bak 's/..common_p2p/naas_models.pydantic.common_p2p/g' *.py && rm *.bak
 
 bash: 
 	$(d) /bin/bash
\ No newline at end of file
diff --git a/go/github.com/envoyproxy/protoc-gen-validate/validate/validate.pb.go b/go/github.com/envoyproxy/protoc-gen-validate/validate/validate.pb.go
index 5c56e7c..57ffa86 100644
--- a/go/github.com/envoyproxy/protoc-gen-validate/validate/validate.pb.go
+++ b/go/github.com/envoyproxy/protoc-gen-validate/validate/validate.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.32.0
+// 	protoc-gen-go v1.33.0
 // 	protoc        v3.19.5
 // source: validate.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/aimodel/aimodel.pb.go b/go/github.com/jupyter-naas/naas-models/go/aimodel/aimodel.pb.go
index c175ca4..c480389 100644
--- a/go/github.com/jupyter-naas/naas-models/go/aimodel/aimodel.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/aimodel/aimodel.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.32.0
+// 	protoc-gen-go v1.33.0
 // 	protoc        v3.19.5
 // source: aimodel.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.go b/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.go
index 4ee9d81..e38c42d 100644
--- a/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.32.0
+// 	protoc-gen-go v1.33.0
 // 	protoc        v3.19.5
 // source: chat.proto
 
@@ -8,6 +8,7 @@ package chat
 
 import (
 	_ "github.com/envoyproxy/protoc-gen-validate/validate"
+	common "github.com/jupyter-naas/naas-models/go/common"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	_ "google.golang.org/protobuf/types/known/structpb"
@@ -77,28 +78,31 @@ func (MessageType) EnumDescriptor() ([]byte, []int) {
 type MessageError int32
 
 const (
-	MessageError_MESSAGE_NO_ERROR       MessageError = 0
-	MessageError_MESSAGE_ALREADY_EXISTS MessageError = 1
-	MessageError_MESSAGE_NOT_FOUND      MessageError = 2
-	MessageError_MESSAGE_NOT_UPDATED    MessageError = 3
-	MessageError_MESSAGE_NOT_AUTHORIZED MessageError = 4
+	MessageError_MESSAGE_NO_ERROR              MessageError = 0
+	MessageError_MESSAGE_ALREADY_EXISTS        MessageError = 1
+	MessageError_MESSAGE_NOT_FOUND             MessageError = 2
+	MessageError_MESSAGE_NOT_UPDATED           MessageError = 3
+	MessageError_MESSAGE_NOT_AUTHORIZED        MessageError = 4
+	MessageError_MESSAGE_INTERNAL_SERVER_ERROR MessageError = 1000
 )
 
 // Enum value maps for MessageError.
 var (
 	MessageError_name = map[int32]string{
-		0: "MESSAGE_NO_ERROR",
-		1: "MESSAGE_ALREADY_EXISTS",
-		2: "MESSAGE_NOT_FOUND",
-		3: "MESSAGE_NOT_UPDATED",
-		4: "MESSAGE_NOT_AUTHORIZED",
+		0:    "MESSAGE_NO_ERROR",
+		1:    "MESSAGE_ALREADY_EXISTS",
+		2:    "MESSAGE_NOT_FOUND",
+		3:    "MESSAGE_NOT_UPDATED",
+		4:    "MESSAGE_NOT_AUTHORIZED",
+		1000: "MESSAGE_INTERNAL_SERVER_ERROR",
 	}
 	MessageError_value = map[string]int32{
-		"MESSAGE_NO_ERROR":       0,
-		"MESSAGE_ALREADY_EXISTS": 1,
-		"MESSAGE_NOT_FOUND":      2,
-		"MESSAGE_NOT_UPDATED":    3,
-		"MESSAGE_NOT_AUTHORIZED": 4,
+		"MESSAGE_NO_ERROR":              0,
+		"MESSAGE_ALREADY_EXISTS":        1,
+		"MESSAGE_NOT_FOUND":             2,
+		"MESSAGE_NOT_UPDATED":           3,
+		"MESSAGE_NOT_AUTHORIZED":        4,
+		"MESSAGE_INTERNAL_SERVER_ERROR": 1000,
 	}
 )
 
@@ -190,20 +194,22 @@ const (
 	ChatError_CHAT_AIMODEL_NOT_FOUND                  ChatError = 6
 	ChatError_CHAT_OUT_OF_CREDIT                      ChatError = 7
 	ChatError_CHAT_CONTEXT_LENGTH_EXCEEDED            ChatError = 8
+	ChatError_CHAT_INTERNAL_SERVER_ERROR              ChatError = 1000
 )
 
 // Enum value maps for ChatError.
 var (
 	ChatError_name = map[int32]string{
-		0: "CHAT_NO_ERROR",
-		1: "CHAT_ALREADY_EXISTS",
-		2: "CHAT_NOT_FOUND",
-		3: "CHAT_NOT_UPDATED",
-		4: "CHAT_NOT_AUTHORIZED",
-		5: "CHAT_COMPLETION_ADAPTOR_DOES_NOT_EXISTS",
-		6: "CHAT_AIMODEL_NOT_FOUND",
-		7: "CHAT_OUT_OF_CREDIT",
-		8: "CHAT_CONTEXT_LENGTH_EXCEEDED",
+		0:    "CHAT_NO_ERROR",
+		1:    "CHAT_ALREADY_EXISTS",
+		2:    "CHAT_NOT_FOUND",
+		3:    "CHAT_NOT_UPDATED",
+		4:    "CHAT_NOT_AUTHORIZED",
+		5:    "CHAT_COMPLETION_ADAPTOR_DOES_NOT_EXISTS",
+		6:    "CHAT_AIMODEL_NOT_FOUND",
+		7:    "CHAT_OUT_OF_CREDIT",
+		8:    "CHAT_CONTEXT_LENGTH_EXCEEDED",
+		1000: "CHAT_INTERNAL_SERVER_ERROR",
 	}
 	ChatError_value = map[string]int32{
 		"CHAT_NO_ERROR":                           0,
@@ -215,6 +221,7 @@ var (
 		"CHAT_AIMODEL_NOT_FOUND":                  6,
 		"CHAT_OUT_OF_CREDIT":                      7,
 		"CHAT_CONTEXT_LENGTH_EXCEEDED":            8,
+		"CHAT_INTERNAL_SERVER_ERROR":              1000,
 	}
 )
 
@@ -987,6 +994,85 @@ func (x *Chat) GetStarredAt() string {
 	return ""
 }
 
+type ChatUpdate struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name                *string           `protobuf:"bytes,1,opt,name=name,proto3,oneof" json:"name,omitempty"`
+	IsGroup             *bool             `protobuf:"varint,2,opt,name=is_group,json=isGroup,proto3,oneof" json:"is_group,omitempty"`
+	IsPersonalAssistant *bool             `protobuf:"varint,3,opt,name=is_personal_assistant,json=isPersonalAssistant,proto3,oneof" json:"is_personal_assistant,omitempty"`
+	StarredAt           *string           `protobuf:"bytes,4,opt,name=starred_at,json=starredAt,proto3,oneof" json:"starred_at,omitempty"`
+	FieldMask           *common.FieldMask `protobuf:"bytes,100,opt,name=field_mask,json=fieldMask,proto3,oneof" json:"field_mask,omitempty"`
+}
+
+func (x *ChatUpdate) Reset() {
+	*x = ChatUpdate{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_chat_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ChatUpdate) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ChatUpdate) ProtoMessage() {}
+
+func (x *ChatUpdate) ProtoReflect() protoreflect.Message {
+	mi := &file_chat_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ChatUpdate.ProtoReflect.Descriptor instead.
+func (*ChatUpdate) Descriptor() ([]byte, []int) {
+	return file_chat_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *ChatUpdate) GetName() string {
+	if x != nil && x.Name != nil {
+		return *x.Name
+	}
+	return ""
+}
+
+func (x *ChatUpdate) GetIsGroup() bool {
+	if x != nil && x.IsGroup != nil {
+		return *x.IsGroup
+	}
+	return false
+}
+
+func (x *ChatUpdate) GetIsPersonalAssistant() bool {
+	if x != nil && x.IsPersonalAssistant != nil {
+		return *x.IsPersonalAssistant
+	}
+	return false
+}
+
+func (x *ChatUpdate) GetStarredAt() string {
+	if x != nil && x.StarredAt != nil {
+		return *x.StarredAt
+	}
+	return ""
+}
+
+func (x *ChatUpdate) GetFieldMask() *common.FieldMask {
+	if x != nil {
+		return x.FieldMask
+	}
+	return nil
+}
+
 type ChatMessages struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -998,7 +1084,7 @@ type ChatMessages struct {
 func (x *ChatMessages) Reset() {
 	*x = ChatMessages{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[10]
+		mi := &file_chat_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1011,7 +1097,7 @@ func (x *ChatMessages) String() string {
 func (*ChatMessages) ProtoMessage() {}
 
 func (x *ChatMessages) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[10]
+	mi := &file_chat_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1024,7 +1110,7 @@ func (x *ChatMessages) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatMessages.ProtoReflect.Descriptor instead.
 func (*ChatMessages) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{10}
+	return file_chat_proto_rawDescGZIP(), []int{11}
 }
 
 func (x *ChatMessages) GetMessages() map[int32]*Messages {
@@ -1048,7 +1134,7 @@ type ChatResponseError struct {
 func (x *ChatResponseError) Reset() {
 	*x = ChatResponseError{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[11]
+		mi := &file_chat_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1061,7 +1147,7 @@ func (x *ChatResponseError) String() string {
 func (*ChatResponseError) ProtoMessage() {}
 
 func (x *ChatResponseError) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[11]
+	mi := &file_chat_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1074,7 +1160,7 @@ func (x *ChatResponseError) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatResponseError.ProtoReflect.Descriptor instead.
 func (*ChatResponseError) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{11}
+	return file_chat_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *ChatResponseError) GetCode() ChatError {
@@ -1117,7 +1203,7 @@ type ChatCreationRequest struct {
 func (x *ChatCreationRequest) Reset() {
 	*x = ChatCreationRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[12]
+		mi := &file_chat_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1130,7 +1216,7 @@ func (x *ChatCreationRequest) String() string {
 func (*ChatCreationRequest) ProtoMessage() {}
 
 func (x *ChatCreationRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[12]
+	mi := &file_chat_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1143,7 +1229,7 @@ func (x *ChatCreationRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatCreationRequest.ProtoReflect.Descriptor instead.
 func (*ChatCreationRequest) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{12}
+	return file_chat_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *ChatCreationRequest) GetName() string {
@@ -1172,7 +1258,7 @@ type ChatCreationResponse struct {
 func (x *ChatCreationResponse) Reset() {
 	*x = ChatCreationResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[13]
+		mi := &file_chat_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1185,7 +1271,7 @@ func (x *ChatCreationResponse) String() string {
 func (*ChatCreationResponse) ProtoMessage() {}
 
 func (x *ChatCreationResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[13]
+	mi := &file_chat_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1198,7 +1284,7 @@ func (x *ChatCreationResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatCreationResponse.ProtoReflect.Descriptor instead.
 func (*ChatCreationResponse) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{13}
+	return file_chat_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *ChatCreationResponse) GetChat() *Chat {
@@ -1226,7 +1312,7 @@ type ChatGetRequest struct {
 func (x *ChatGetRequest) Reset() {
 	*x = ChatGetRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[14]
+		mi := &file_chat_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1239,7 +1325,7 @@ func (x *ChatGetRequest) String() string {
 func (*ChatGetRequest) ProtoMessage() {}
 
 func (x *ChatGetRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[14]
+	mi := &file_chat_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1252,7 +1338,7 @@ func (x *ChatGetRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatGetRequest.ProtoReflect.Descriptor instead.
 func (*ChatGetRequest) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{14}
+	return file_chat_proto_rawDescGZIP(), []int{15}
 }
 
 func (x *ChatGetRequest) GetId() int32 {
@@ -1274,7 +1360,7 @@ type ChatGetResponse struct {
 func (x *ChatGetResponse) Reset() {
 	*x = ChatGetResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[15]
+		mi := &file_chat_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1287,7 +1373,7 @@ func (x *ChatGetResponse) String() string {
 func (*ChatGetResponse) ProtoMessage() {}
 
 func (x *ChatGetResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[15]
+	mi := &file_chat_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1300,7 +1386,7 @@ func (x *ChatGetResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatGetResponse.ProtoReflect.Descriptor instead.
 func (*ChatGetResponse) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{15}
+	return file_chat_proto_rawDescGZIP(), []int{16}
 }
 
 func (x *ChatGetResponse) GetChat() *Chat {
@@ -1328,7 +1414,7 @@ type ChatMessageGetRequest struct {
 func (x *ChatMessageGetRequest) Reset() {
 	*x = ChatMessageGetRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[16]
+		mi := &file_chat_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1341,7 +1427,7 @@ func (x *ChatMessageGetRequest) String() string {
 func (*ChatMessageGetRequest) ProtoMessage() {}
 
 func (x *ChatMessageGetRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[16]
+	mi := &file_chat_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1354,7 +1440,7 @@ func (x *ChatMessageGetRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatMessageGetRequest.ProtoReflect.Descriptor instead.
 func (*ChatMessageGetRequest) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{16}
+	return file_chat_proto_rawDescGZIP(), []int{17}
 }
 
 func (x *ChatMessageGetRequest) GetId() int32 {
@@ -1376,7 +1462,7 @@ type ChatMessageGetResponse struct {
 func (x *ChatMessageGetResponse) Reset() {
 	*x = ChatMessageGetResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[17]
+		mi := &file_chat_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1389,7 +1475,7 @@ func (x *ChatMessageGetResponse) String() string {
 func (*ChatMessageGetResponse) ProtoMessage() {}
 
 func (x *ChatMessageGetResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[17]
+	mi := &file_chat_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1402,7 +1488,7 @@ func (x *ChatMessageGetResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatMessageGetResponse.ProtoReflect.Descriptor instead.
 func (*ChatMessageGetResponse) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{17}
+	return file_chat_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *ChatMessageGetResponse) GetError() *ChatResponseError {
@@ -1430,7 +1516,7 @@ type ChatDeletionRequest struct {
 func (x *ChatDeletionRequest) Reset() {
 	*x = ChatDeletionRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[18]
+		mi := &file_chat_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1443,7 +1529,7 @@ func (x *ChatDeletionRequest) String() string {
 func (*ChatDeletionRequest) ProtoMessage() {}
 
 func (x *ChatDeletionRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[18]
+	mi := &file_chat_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1456,7 +1542,7 @@ func (x *ChatDeletionRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatDeletionRequest.ProtoReflect.Descriptor instead.
 func (*ChatDeletionRequest) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{18}
+	return file_chat_proto_rawDescGZIP(), []int{19}
 }
 
 func (x *ChatDeletionRequest) GetId() int64 {
@@ -1477,7 +1563,7 @@ type ChatDeletionResponse struct {
 func (x *ChatDeletionResponse) Reset() {
 	*x = ChatDeletionResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[19]
+		mi := &file_chat_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1490,7 +1576,7 @@ func (x *ChatDeletionResponse) String() string {
 func (*ChatDeletionResponse) ProtoMessage() {}
 
 func (x *ChatDeletionResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[19]
+	mi := &file_chat_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1503,7 +1589,7 @@ func (x *ChatDeletionResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatDeletionResponse.ProtoReflect.Descriptor instead.
 func (*ChatDeletionResponse) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{19}
+	return file_chat_proto_rawDescGZIP(), []int{20}
 }
 
 func (x *ChatDeletionResponse) GetError() *ChatResponseError {
@@ -1518,14 +1604,14 @@ type ChatUpdateRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Id   *int64  `protobuf:"varint,1,opt,name=id,proto3,oneof" json:"id,omitempty"`
-	Name *string `protobuf:"bytes,2,opt,name=name,proto3,oneof" json:"name,omitempty"`
+	Id         *int64      `protobuf:"varint,1,opt,name=id,proto3,oneof" json:"id,omitempty"`
+	ChatUpdate *ChatUpdate `protobuf:"bytes,2,opt,name=chat_update,json=chatUpdate,proto3,oneof" json:"chat_update,omitempty"`
 }
 
 func (x *ChatUpdateRequest) Reset() {
 	*x = ChatUpdateRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[20]
+		mi := &file_chat_proto_msgTypes[21]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1538,7 +1624,7 @@ func (x *ChatUpdateRequest) String() string {
 func (*ChatUpdateRequest) ProtoMessage() {}
 
 func (x *ChatUpdateRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[20]
+	mi := &file_chat_proto_msgTypes[21]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1551,7 +1637,7 @@ func (x *ChatUpdateRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatUpdateRequest.ProtoReflect.Descriptor instead.
 func (*ChatUpdateRequest) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{20}
+	return file_chat_proto_rawDescGZIP(), []int{21}
 }
 
 func (x *ChatUpdateRequest) GetId() int64 {
@@ -1561,11 +1647,11 @@ func (x *ChatUpdateRequest) GetId() int64 {
 	return 0
 }
 
-func (x *ChatUpdateRequest) GetName() string {
-	if x != nil && x.Name != nil {
-		return *x.Name
+func (x *ChatUpdateRequest) GetChatUpdate() *ChatUpdate {
+	if x != nil {
+		return x.ChatUpdate
 	}
-	return ""
+	return nil
 }
 
 type ChatUpdateResponse struct {
@@ -1580,7 +1666,7 @@ type ChatUpdateResponse struct {
 func (x *ChatUpdateResponse) Reset() {
 	*x = ChatUpdateResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[21]
+		mi := &file_chat_proto_msgTypes[22]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1593,7 +1679,7 @@ func (x *ChatUpdateResponse) String() string {
 func (*ChatUpdateResponse) ProtoMessage() {}
 
 func (x *ChatUpdateResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[21]
+	mi := &file_chat_proto_msgTypes[22]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1606,7 +1692,7 @@ func (x *ChatUpdateResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatUpdateResponse.ProtoReflect.Descriptor instead.
 func (*ChatUpdateResponse) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{21}
+	return file_chat_proto_rawDescGZIP(), []int{22}
 }
 
 func (x *ChatUpdateResponse) GetChat() *Chat {
@@ -1635,7 +1721,7 @@ type ChatListRequest struct {
 func (x *ChatListRequest) Reset() {
 	*x = ChatListRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[22]
+		mi := &file_chat_proto_msgTypes[23]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1648,7 +1734,7 @@ func (x *ChatListRequest) String() string {
 func (*ChatListRequest) ProtoMessage() {}
 
 func (x *ChatListRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[22]
+	mi := &file_chat_proto_msgTypes[23]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1661,7 +1747,7 @@ func (x *ChatListRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatListRequest.ProtoReflect.Descriptor instead.
 func (*ChatListRequest) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{22}
+	return file_chat_proto_rawDescGZIP(), []int{23}
 }
 
 func (x *ChatListRequest) GetPageSize() int32 {
@@ -1690,7 +1776,7 @@ type ChatListResponse struct {
 func (x *ChatListResponse) Reset() {
 	*x = ChatListResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[23]
+		mi := &file_chat_proto_msgTypes[24]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1703,7 +1789,7 @@ func (x *ChatListResponse) String() string {
 func (*ChatListResponse) ProtoMessage() {}
 
 func (x *ChatListResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[23]
+	mi := &file_chat_proto_msgTypes[24]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1716,7 +1802,7 @@ func (x *ChatListResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatListResponse.ProtoReflect.Descriptor instead.
 func (*ChatListResponse) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{23}
+	return file_chat_proto_rawDescGZIP(), []int{24}
 }
 
 func (x *ChatListResponse) GetChat() []*Chat {
@@ -1745,7 +1831,7 @@ type ChatStarRequest struct {
 func (x *ChatStarRequest) Reset() {
 	*x = ChatStarRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[24]
+		mi := &file_chat_proto_msgTypes[25]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1758,7 +1844,7 @@ func (x *ChatStarRequest) String() string {
 func (*ChatStarRequest) ProtoMessage() {}
 
 func (x *ChatStarRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[24]
+	mi := &file_chat_proto_msgTypes[25]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1771,7 +1857,7 @@ func (x *ChatStarRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatStarRequest.ProtoReflect.Descriptor instead.
 func (*ChatStarRequest) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{24}
+	return file_chat_proto_rawDescGZIP(), []int{25}
 }
 
 func (x *ChatStarRequest) GetId() int32 {
@@ -1800,7 +1886,7 @@ type ChatStarResponse struct {
 func (x *ChatStarResponse) Reset() {
 	*x = ChatStarResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[25]
+		mi := &file_chat_proto_msgTypes[26]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1813,7 +1899,7 @@ func (x *ChatStarResponse) String() string {
 func (*ChatStarResponse) ProtoMessage() {}
 
 func (x *ChatStarResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[25]
+	mi := &file_chat_proto_msgTypes[26]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1826,7 +1912,7 @@ func (x *ChatStarResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatStarResponse.ProtoReflect.Descriptor instead.
 func (*ChatStarResponse) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{25}
+	return file_chat_proto_rawDescGZIP(), []int{26}
 }
 
 func (x *ChatStarResponse) GetChat() *Chat {
@@ -1859,7 +1945,7 @@ type CompletionResponse struct {
 func (x *CompletionResponse) Reset() {
 	*x = CompletionResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[26]
+		mi := &file_chat_proto_msgTypes[27]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1872,7 +1958,7 @@ func (x *CompletionResponse) String() string {
 func (*CompletionResponse) ProtoMessage() {}
 
 func (x *CompletionResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[26]
+	mi := &file_chat_proto_msgTypes[27]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1885,7 +1971,7 @@ func (x *CompletionResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CompletionResponse.ProtoReflect.Descriptor instead.
 func (*CompletionResponse) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{26}
+	return file_chat_proto_rawDescGZIP(), []int{27}
 }
 
 func (x *CompletionResponse) GetMessages() []*Message {
@@ -1943,7 +2029,7 @@ type BasePayload struct {
 func (x *BasePayload) Reset() {
 	*x = BasePayload{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[27]
+		mi := &file_chat_proto_msgTypes[28]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1956,7 +2042,7 @@ func (x *BasePayload) String() string {
 func (*BasePayload) ProtoMessage() {}
 
 func (x *BasePayload) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[27]
+	mi := &file_chat_proto_msgTypes[28]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1969,7 +2055,7 @@ func (x *BasePayload) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use BasePayload.ProtoReflect.Descriptor instead.
 func (*BasePayload) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{27}
+	return file_chat_proto_rawDescGZIP(), []int{28}
 }
 
 func (x *BasePayload) GetName() string {
@@ -2006,7 +2092,7 @@ type ChatCompletionRequest struct {
 func (x *ChatCompletionRequest) Reset() {
 	*x = ChatCompletionRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[28]
+		mi := &file_chat_proto_msgTypes[29]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2019,7 +2105,7 @@ func (x *ChatCompletionRequest) String() string {
 func (*ChatCompletionRequest) ProtoMessage() {}
 
 func (x *ChatCompletionRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[28]
+	mi := &file_chat_proto_msgTypes[29]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2032,7 +2118,7 @@ func (x *ChatCompletionRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatCompletionRequest.ProtoReflect.Descriptor instead.
 func (*ChatCompletionRequest) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{28}
+	return file_chat_proto_rawDescGZIP(), []int{29}
 }
 
 func (x *ChatCompletionRequest) GetId() int32 {
@@ -2067,7 +2153,7 @@ type ChatStopCompletionRequest struct {
 func (x *ChatStopCompletionRequest) Reset() {
 	*x = ChatStopCompletionRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[29]
+		mi := &file_chat_proto_msgTypes[30]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2080,7 +2166,7 @@ func (x *ChatStopCompletionRequest) String() string {
 func (*ChatStopCompletionRequest) ProtoMessage() {}
 
 func (x *ChatStopCompletionRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[29]
+	mi := &file_chat_proto_msgTypes[30]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2093,7 +2179,7 @@ func (x *ChatStopCompletionRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatStopCompletionRequest.ProtoReflect.Descriptor instead.
 func (*ChatStopCompletionRequest) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{29}
+	return file_chat_proto_rawDescGZIP(), []int{30}
 }
 
 func (x *ChatStopCompletionRequest) GetId() int32 {
@@ -2114,7 +2200,7 @@ type ChatStopCompletionResponse struct {
 func (x *ChatStopCompletionResponse) Reset() {
 	*x = ChatStopCompletionResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[30]
+		mi := &file_chat_proto_msgTypes[31]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2127,7 +2213,7 @@ func (x *ChatStopCompletionResponse) String() string {
 func (*ChatStopCompletionResponse) ProtoMessage() {}
 
 func (x *ChatStopCompletionResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[30]
+	mi := &file_chat_proto_msgTypes[31]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2140,7 +2226,7 @@ func (x *ChatStopCompletionResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatStopCompletionResponse.ProtoReflect.Descriptor instead.
 func (*ChatStopCompletionResponse) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{30}
+	return file_chat_proto_rawDescGZIP(), []int{31}
 }
 
 func (x *ChatStopCompletionResponse) GetError() *ChatResponseError {
@@ -2162,7 +2248,7 @@ type ChatCompletionResponse struct {
 func (x *ChatCompletionResponse) Reset() {
 	*x = ChatCompletionResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_chat_proto_msgTypes[31]
+		mi := &file_chat_proto_msgTypes[32]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2175,7 +2261,7 @@ func (x *ChatCompletionResponse) String() string {
 func (*ChatCompletionResponse) ProtoMessage() {}
 
 func (x *ChatCompletionResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_chat_proto_msgTypes[31]
+	mi := &file_chat_proto_msgTypes[32]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2188,7 +2274,7 @@ func (x *ChatCompletionResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChatCompletionResponse.ProtoReflect.Descriptor instead.
 func (*ChatCompletionResponse) Descriptor() ([]byte, []int) {
-	return file_chat_proto_rawDescGZIP(), []int{31}
+	return file_chat_proto_rawDescGZIP(), []int{32}
 }
 
 func (x *ChatCompletionResponse) GetCompletion() *CompletionResponse {
@@ -2211,85 +2297,195 @@ var file_chat_proto_rawDesc = []byte{
 	0x0a, 0x0a, 0x63, 0x68, 0x61, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x04, 0x63, 0x68,
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+	0x33,
 }
 
 var (
@@ -2613,7 +2726,7 @@ func file_chat_proto_rawDescGZIP() []byte {
 }
 
 var file_chat_proto_enumTypes = make([]protoimpl.EnumInfo, 4)
-var file_chat_proto_msgTypes = make([]protoimpl.MessageInfo, 33)
+var file_chat_proto_msgTypes = make([]protoimpl.MessageInfo, 34)
 var file_chat_proto_goTypes = []interface{}{
 	(MessageType)(0),                      // 0: chat.MessageType
 	(MessageError)(0),                     // 1: chat.MessageError
@@ -2629,29 +2742,31 @@ var file_chat_proto_goTypes = []interface{}{
 	(*MessageRatingCreationRequest)(nil),  // 11: chat.MessageRatingCreationRequest
 	(*MessageRatingCreationResponse)(nil), // 12: chat.MessageRatingCreationResponse
 	(*Chat)(nil),                          // 13: chat.Chat
-	(*ChatMessages)(nil),                  // 14: chat.ChatMessages
-	(*ChatResponseError)(nil),             // 15: chat.ChatResponseError
-	(*ChatCreationRequest)(nil),           // 16: chat.ChatCreationRequest
-	(*ChatCreationResponse)(nil),          // 17: chat.ChatCreationResponse
-	(*ChatGetRequest)(nil),                // 18: chat.ChatGetRequest
-	(*ChatGetResponse)(nil),               // 19: chat.ChatGetResponse
-	(*ChatMessageGetRequest)(nil),         // 20: chat.ChatMessageGetRequest
-	(*ChatMessageGetResponse)(nil),        // 21: chat.ChatMessageGetResponse
-	(*ChatDeletionRequest)(nil),           // 22: chat.ChatDeletionRequest
-	(*ChatDeletionResponse)(nil),          // 23: chat.ChatDeletionResponse
-	(*ChatUpdateRequest)(nil),             // 24: chat.ChatUpdateRequest
-	(*ChatUpdateResponse)(nil),            // 25: chat.ChatUpdateResponse
-	(*ChatListRequest)(nil),               // 26: chat.ChatListRequest
-	(*ChatListResponse)(nil),              // 27: chat.ChatListResponse
-	(*ChatStarRequest)(nil),               // 28: chat.ChatStarRequest
-	(*ChatStarResponse)(nil),              // 29: chat.ChatStarResponse
-	(*CompletionResponse)(nil),            // 30: chat.CompletionResponse
-	(*BasePayload)(nil),                   // 31: chat.BasePayload
-	(*ChatCompletionRequest)(nil),         // 32: chat.ChatCompletionRequest
-	(*ChatStopCompletionRequest)(nil),     // 33: chat.ChatStopCompletionRequest
-	(*ChatStopCompletionResponse)(nil),    // 34: chat.ChatStopCompletionResponse
-	(*ChatCompletionResponse)(nil),        // 35: chat.ChatCompletionResponse
-	nil,                                   // 36: chat.ChatMessages.MessagesEntry
+	(*ChatUpdate)(nil),                    // 14: chat.ChatUpdate
+	(*ChatMessages)(nil),                  // 15: chat.ChatMessages
+	(*ChatResponseError)(nil),             // 16: chat.ChatResponseError
+	(*ChatCreationRequest)(nil),           // 17: chat.ChatCreationRequest
+	(*ChatCreationResponse)(nil),          // 18: chat.ChatCreationResponse
+	(*ChatGetRequest)(nil),                // 19: chat.ChatGetRequest
+	(*ChatGetResponse)(nil),               // 20: chat.ChatGetResponse
+	(*ChatMessageGetRequest)(nil),         // 21: chat.ChatMessageGetRequest
+	(*ChatMessageGetResponse)(nil),        // 22: chat.ChatMessageGetResponse
+	(*ChatDeletionRequest)(nil),           // 23: chat.ChatDeletionRequest
+	(*ChatDeletionResponse)(nil),          // 24: chat.ChatDeletionResponse
+	(*ChatUpdateRequest)(nil),             // 25: chat.ChatUpdateRequest
+	(*ChatUpdateResponse)(nil),            // 26: chat.ChatUpdateResponse
+	(*ChatListRequest)(nil),               // 27: chat.ChatListRequest
+	(*ChatListResponse)(nil),              // 28: chat.ChatListResponse
+	(*ChatStarRequest)(nil),               // 29: chat.ChatStarRequest
+	(*ChatStarResponse)(nil),              // 30: chat.ChatStarResponse
+	(*CompletionResponse)(nil),            // 31: chat.CompletionResponse
+	(*BasePayload)(nil),                   // 32: chat.BasePayload
+	(*ChatCompletionRequest)(nil),         // 33: chat.ChatCompletionRequest
+	(*ChatStopCompletionRequest)(nil),     // 34: chat.ChatStopCompletionRequest
+	(*ChatStopCompletionResponse)(nil),    // 35: chat.ChatStopCompletionResponse
+	(*ChatCompletionResponse)(nil),        // 36: chat.ChatCompletionResponse
+	nil,                                   // 37: chat.ChatMessages.MessagesEntry
+	(*common.FieldMask)(nil),              // 38: common.FieldMask
 }
 var file_chat_proto_depIdxs = []int32{
 	1,  // 0: chat.MessageResponseError.code:type_name -> chat.MessageError
@@ -2661,44 +2776,46 @@ var file_chat_proto_depIdxs = []int32{
 	1,  // 4: chat.MessageRatinResponseError.code:type_name -> chat.MessageError
 	9,  // 5: chat.MessageRatingCreationResponse.error:type_name -> chat.MessageRatinResponseError
 	10, // 6: chat.MessageRatingCreationResponse.message_rating:type_name -> chat.MessageRating
-	36, // 7: chat.ChatMessages.messages:type_name -> chat.ChatMessages.MessagesEntry
-	3,  // 8: chat.ChatResponseError.code:type_name -> chat.ChatError
-	13, // 9: chat.ChatCreationResponse.chat:type_name -> chat.Chat
-	15, // 10: chat.ChatCreationResponse.error:type_name -> chat.ChatResponseError
-	13, // 11: chat.ChatGetResponse.chat:type_name -> chat.Chat
-	15, // 12: chat.ChatGetResponse.error:type_name -> chat.ChatResponseError
-	15, // 13: chat.ChatMessageGetResponse.error:type_name -> chat.ChatResponseError
-	14, // 14: chat.ChatMessageGetResponse.messages:type_name -> chat.ChatMessages
-	15, // 15: chat.ChatDeletionResponse.error:type_name -> chat.ChatResponseError
-	13, // 16: chat.ChatUpdateResponse.chat:type_name -> chat.Chat
-	15, // 17: chat.ChatUpdateResponse.error:type_name -> chat.ChatResponseError
-	13, // 18: chat.ChatListResponse.chat:type_name -> chat.Chat
-	15, // 19: chat.ChatListResponse.error:type_name -> chat.ChatResponseError
-	13, // 20: chat.ChatStarResponse.chat:type_name -> chat.Chat
-	3,  // 21: chat.ChatStarResponse.code:type_name -> chat.ChatError
-	5,  // 22: chat.CompletionResponse.messages:type_name -> chat.Message
-	2,  // 23: chat.CompletionResponse.status:type_name -> chat.CompletionStatus
-	15, // 24: chat.ChatStopCompletionResponse.error:type_name -> chat.ChatResponseError
-	30, // 25: chat.ChatCompletionResponse.completion:type_name -> chat.CompletionResponse
-	15, // 26: chat.ChatCompletionResponse.error:type_name -> chat.ChatResponseError
-	6,  // 27: chat.ChatMessages.MessagesEntry.value:type_name -> chat.Messages
-	16, // 28: chat.ChatService.Create:input_type -> chat.ChatCreationRequest
-	18, // 29: chat.ChatService.Get:input_type -> chat.ChatGetRequest
-	26, // 30: chat.ChatService.List:input_type -> chat.ChatListRequest
-	22, // 31: chat.ChatService.Delete:input_type -> chat.ChatDeletionRequest
-	24, // 32: chat.ChatService.Update:input_type -> chat.ChatUpdateRequest
-	28, // 33: chat.ChatService.Star:input_type -> chat.ChatStarRequest
-	17, // 34: chat.ChatService.Create:output_type -> chat.ChatCreationResponse
-	19, // 35: chat.ChatService.Get:output_type -> chat.ChatGetResponse
-	27, // 36: chat.ChatService.List:output_type -> chat.ChatListResponse
-	23, // 37: chat.ChatService.Delete:output_type -> chat.ChatDeletionResponse
-	25, // 38: chat.ChatService.Update:output_type -> chat.ChatUpdateResponse
-	29, // 39: chat.ChatService.Star:output_type -> chat.ChatStarResponse
-	34, // [34:40] is the sub-list for method output_type
-	28, // [28:34] is the sub-list for method input_type
-	28, // [28:28] is the sub-list for extension type_name
-	28, // [28:28] is the sub-list for extension extendee
-	0,  // [0:28] is the sub-list for field type_name
+	38, // 7: chat.ChatUpdate.field_mask:type_name -> common.FieldMask
+	37, // 8: chat.ChatMessages.messages:type_name -> chat.ChatMessages.MessagesEntry
+	3,  // 9: chat.ChatResponseError.code:type_name -> chat.ChatError
+	13, // 10: chat.ChatCreationResponse.chat:type_name -> chat.Chat
+	16, // 11: chat.ChatCreationResponse.error:type_name -> chat.ChatResponseError
+	13, // 12: chat.ChatGetResponse.chat:type_name -> chat.Chat
+	16, // 13: chat.ChatGetResponse.error:type_name -> chat.ChatResponseError
+	16, // 14: chat.ChatMessageGetResponse.error:type_name -> chat.ChatResponseError
+	15, // 15: chat.ChatMessageGetResponse.messages:type_name -> chat.ChatMessages
+	16, // 16: chat.ChatDeletionResponse.error:type_name -> chat.ChatResponseError
+	14, // 17: chat.ChatUpdateRequest.chat_update:type_name -> chat.ChatUpdate
+	13, // 18: chat.ChatUpdateResponse.chat:type_name -> chat.Chat
+	16, // 19: chat.ChatUpdateResponse.error:type_name -> chat.ChatResponseError
+	13, // 20: chat.ChatListResponse.chat:type_name -> chat.Chat
+	16, // 21: chat.ChatListResponse.error:type_name -> chat.ChatResponseError
+	13, // 22: chat.ChatStarResponse.chat:type_name -> chat.Chat
+	3,  // 23: chat.ChatStarResponse.code:type_name -> chat.ChatError
+	5,  // 24: chat.CompletionResponse.messages:type_name -> chat.Message
+	2,  // 25: chat.CompletionResponse.status:type_name -> chat.CompletionStatus
+	16, // 26: chat.ChatStopCompletionResponse.error:type_name -> chat.ChatResponseError
+	31, // 27: chat.ChatCompletionResponse.completion:type_name -> chat.CompletionResponse
+	16, // 28: chat.ChatCompletionResponse.error:type_name -> chat.ChatResponseError
+	6,  // 29: chat.ChatMessages.MessagesEntry.value:type_name -> chat.Messages
+	17, // 30: chat.ChatService.Create:input_type -> chat.ChatCreationRequest
+	19, // 31: chat.ChatService.Get:input_type -> chat.ChatGetRequest
+	27, // 32: chat.ChatService.List:input_type -> chat.ChatListRequest
+	23, // 33: chat.ChatService.Delete:input_type -> chat.ChatDeletionRequest
+	25, // 34: chat.ChatService.Update:input_type -> chat.ChatUpdateRequest
+	29, // 35: chat.ChatService.Star:input_type -> chat.ChatStarRequest
+	18, // 36: chat.ChatService.Create:output_type -> chat.ChatCreationResponse
+	20, // 37: chat.ChatService.Get:output_type -> chat.ChatGetResponse
+	28, // 38: chat.ChatService.List:output_type -> chat.ChatListResponse
+	24, // 39: chat.ChatService.Delete:output_type -> chat.ChatDeletionResponse
+	26, // 40: chat.ChatService.Update:output_type -> chat.ChatUpdateResponse
+	30, // 41: chat.ChatService.Star:output_type -> chat.ChatStarResponse
+	36, // [36:42] is the sub-list for method output_type
+	30, // [30:36] is the sub-list for method input_type
+	30, // [30:30] is the sub-list for extension type_name
+	30, // [30:30] is the sub-list for extension extendee
+	0,  // [0:30] is the sub-list for field type_name
 }
 
 func init() { file_chat_proto_init() }
@@ -2828,7 +2945,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatMessages); i {
+			switch v := v.(*ChatUpdate); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2840,7 +2957,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatResponseError); i {
+			switch v := v.(*ChatMessages); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2852,7 +2969,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatCreationRequest); i {
+			switch v := v.(*ChatResponseError); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2864,7 +2981,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatCreationResponse); i {
+			switch v := v.(*ChatCreationRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2876,7 +2993,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatGetRequest); i {
+			switch v := v.(*ChatCreationResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2888,7 +3005,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatGetResponse); i {
+			switch v := v.(*ChatGetRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2900,7 +3017,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatMessageGetRequest); i {
+			switch v := v.(*ChatGetResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2912,7 +3029,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatMessageGetResponse); i {
+			switch v := v.(*ChatMessageGetRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2924,7 +3041,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatDeletionRequest); i {
+			switch v := v.(*ChatMessageGetResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2936,7 +3053,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatDeletionResponse); i {
+			switch v := v.(*ChatDeletionRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2948,7 +3065,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatUpdateRequest); i {
+			switch v := v.(*ChatDeletionResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2960,7 +3077,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatUpdateResponse); i {
+			switch v := v.(*ChatUpdateRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2972,7 +3089,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatListRequest); i {
+			switch v := v.(*ChatUpdateResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2984,7 +3101,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatListResponse); i {
+			switch v := v.(*ChatListRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2996,7 +3113,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatStarRequest); i {
+			switch v := v.(*ChatListResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3008,7 +3125,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatStarResponse); i {
+			switch v := v.(*ChatStarRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3020,7 +3137,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CompletionResponse); i {
+			switch v := v.(*ChatStarResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3032,7 +3149,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BasePayload); i {
+			switch v := v.(*CompletionResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3044,7 +3161,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatCompletionRequest); i {
+			switch v := v.(*BasePayload); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3056,7 +3173,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatStopCompletionRequest); i {
+			switch v := v.(*ChatCompletionRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3068,7 +3185,7 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[30].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ChatStopCompletionResponse); i {
+			switch v := v.(*ChatStopCompletionRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3080,6 +3197,18 @@ func file_chat_proto_init() {
 			}
 		}
 		file_chat_proto_msgTypes[31].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ChatStopCompletionResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_chat_proto_msgTypes[32].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ChatCompletionResponse); i {
 			case 0:
 				return &v.state
@@ -3101,7 +3230,7 @@ func file_chat_proto_init() {
 	file_chat_proto_msgTypes[7].OneofWrappers = []interface{}{}
 	file_chat_proto_msgTypes[8].OneofWrappers = []interface{}{}
 	file_chat_proto_msgTypes[9].OneofWrappers = []interface{}{}
-	file_chat_proto_msgTypes[11].OneofWrappers = []interface{}{}
+	file_chat_proto_msgTypes[10].OneofWrappers = []interface{}{}
 	file_chat_proto_msgTypes[12].OneofWrappers = []interface{}{}
 	file_chat_proto_msgTypes[13].OneofWrappers = []interface{}{}
 	file_chat_proto_msgTypes[14].OneofWrappers = []interface{}{}
@@ -3122,13 +3251,14 @@ func file_chat_proto_init() {
 	file_chat_proto_msgTypes[29].OneofWrappers = []interface{}{}
 	file_chat_proto_msgTypes[30].OneofWrappers = []interface{}{}
 	file_chat_proto_msgTypes[31].OneofWrappers = []interface{}{}
+	file_chat_proto_msgTypes[32].OneofWrappers = []interface{}{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_chat_proto_rawDesc,
 			NumEnums:      4,
-			NumMessages:   33,
+			NumMessages:   34,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.validate.go b/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.validate.go
index 484255e..5ba3a45 100644
--- a/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.validate.go
+++ b/go/github.com/jupyter-naas/naas-models/go/chat/chat.pb.validate.go
@@ -1354,6 +1354,154 @@ var _ interface {
 	ErrorName() string
 } = ChatValidationError{}
 
+// Validate checks the field values on ChatUpdate with the rules defined in the
+// proto definition for this message. If any rules are violated, the first
+// error encountered is returned, or nil if there are no violations.
+func (m *ChatUpdate) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on ChatUpdate with the rules defined in
+// the proto definition for this message. If any rules are violated, the
+// result is a list of violation errors wrapped in ChatUpdateMultiError, or
+// nil if none found.
+func (m *ChatUpdate) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *ChatUpdate) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if m.Name != nil {
+		// no validation rules for Name
+	}
+
+	if m.IsGroup != nil {
+		// no validation rules for IsGroup
+	}
+
+	if m.IsPersonalAssistant != nil {
+		// no validation rules for IsPersonalAssistant
+	}
+
+	if m.StarredAt != nil {
+		// no validation rules for StarredAt
+	}
+
+	if m.FieldMask != nil {
+
+		if all {
+			switch v := interface{}(m.GetFieldMask()).(type) {
+			case interface{ ValidateAll() error }:
+				if err := v.ValidateAll(); err != nil {
+					errors = append(errors, ChatUpdateValidationError{
+						field:  "FieldMask",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			case interface{ Validate() error }:
+				if err := v.Validate(); err != nil {
+					errors = append(errors, ChatUpdateValidationError{
+						field:  "FieldMask",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			}
+		} else if v, ok := interface{}(m.GetFieldMask()).(interface{ Validate() error }); ok {
+			if err := v.Validate(); err != nil {
+				return ChatUpdateValidationError{
+					field:  "FieldMask",
+					reason: "embedded message failed validation",
+					cause:  err,
+				}
+			}
+		}
+
+	}
+
+	if len(errors) > 0 {
+		return ChatUpdateMultiError(errors)
+	}
+
+	return nil
+}
+
+// ChatUpdateMultiError is an error wrapping multiple validation errors
+// returned by ChatUpdate.ValidateAll() if the designated constraints aren't met.
+type ChatUpdateMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m ChatUpdateMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m ChatUpdateMultiError) AllErrors() []error { return m }
+
+// ChatUpdateValidationError is the validation error returned by
+// ChatUpdate.Validate if the designated constraints aren't met.
+type ChatUpdateValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e ChatUpdateValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e ChatUpdateValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e ChatUpdateValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e ChatUpdateValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e ChatUpdateValidationError) ErrorName() string { return "ChatUpdateValidationError" }
+
+// Error satisfies the builtin error interface
+func (e ChatUpdateValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sChatUpdate.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = ChatUpdateValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = ChatUpdateValidationError{}
+
 // Validate checks the field values on ChatMessages with the rules defined in
 // the proto definition for this message. If any rules are violated, the first
 // error encountered is returned, or nil if there are no violations.
@@ -2706,8 +2854,37 @@ func (m *ChatUpdateRequest) validate(all bool) error {
 		// no validation rules for Id
 	}
 
-	if m.Name != nil {
-		// no validation rules for Name
+	if m.ChatUpdate != nil {
+
+		if all {
+			switch v := interface{}(m.GetChatUpdate()).(type) {
+			case interface{ ValidateAll() error }:
+				if err := v.ValidateAll(); err != nil {
+					errors = append(errors, ChatUpdateRequestValidationError{
+						field:  "ChatUpdate",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			case interface{ Validate() error }:
+				if err := v.Validate(); err != nil {
+					errors = append(errors, ChatUpdateRequestValidationError{
+						field:  "ChatUpdate",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			}
+		} else if v, ok := interface{}(m.GetChatUpdate()).(interface{ Validate() error }); ok {
+			if err := v.Validate(); err != nil {
+				return ChatUpdateRequestValidationError{
+					field:  "ChatUpdate",
+					reason: "embedded message failed validation",
+					cause:  err,
+				}
+			}
+		}
+
 	}
 
 	if len(errors) > 0 {
diff --git a/go/github.com/jupyter-naas/naas-models/go/common/common.pb.go b/go/github.com/jupyter-naas/naas-models/go/common/common.pb.go
new file mode 100644
index 0000000..3e23dc1
--- /dev/null
+++ b/go/github.com/jupyter-naas/naas-models/go/common/common.pb.go
@@ -0,0 +1,147 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.33.0
+// 	protoc        v3.19.5
+// source: common.proto
+
+package common
+
+import (
+	_ "github.com/envoyproxy/protoc-gen-validate/validate"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type FieldMask struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The set of field mask paths.
+	Paths []string `protobuf:"bytes,1,rep,name=paths,proto3" json:"paths,omitempty"`
+}
+
+func (x *FieldMask) Reset() {
+	*x = FieldMask{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_common_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FieldMask) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FieldMask) ProtoMessage() {}
+
+func (x *FieldMask) ProtoReflect() protoreflect.Message {
+	mi := &file_common_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FieldMask.ProtoReflect.Descriptor instead.
+func (*FieldMask) Descriptor() ([]byte, []int) {
+	return file_common_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *FieldMask) GetPaths() []string {
+	if x != nil {
+		return x.Paths
+	}
+	return nil
+}
+
+var File_common_proto protoreflect.FileDescriptor
+
+var file_common_proto_rawDesc = []byte{
+	0x0a, 0x0c, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x06,
+	0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x1a, 0x0e, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x65,
+	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x2b, 0x0a, 0x09, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x4d,
+	0x61, 0x73, 0x6b, 0x12, 0x1e, 0x0a, 0x05, 0x70, 0x61, 0x74, 0x68, 0x73, 0x18, 0x01, 0x20, 0x03,
+	0x28, 0x09, 0x42, 0x08, 0xfa, 0x42, 0x05, 0x92, 0x01, 0x02, 0x08, 0x01, 0x52, 0x05, 0x70, 0x61,
+	0x74, 0x68, 0x73, 0x42, 0x2f, 0x5a, 0x2d, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
+	0x6d, 0x2f, 0x6a, 0x75, 0x70, 0x79, 0x74, 0x65, 0x72, 0x2d, 0x6e, 0x61, 0x61, 0x73, 0x2f, 0x6e,
+	0x61, 0x61, 0x73, 0x2d, 0x6d, 0x6f, 0x64, 0x65, 0x6c, 0x73, 0x2f, 0x67, 0x6f, 0x2f, 0x63, 0x6f,
+	0x6d, 0x6d, 0x6f, 0x6e, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_common_proto_rawDescOnce sync.Once
+	file_common_proto_rawDescData = file_common_proto_rawDesc
+)
+
+func file_common_proto_rawDescGZIP() []byte {
+	file_common_proto_rawDescOnce.Do(func() {
+		file_common_proto_rawDescData = protoimpl.X.CompressGZIP(file_common_proto_rawDescData)
+	})
+	return file_common_proto_rawDescData
+}
+
+var file_common_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_common_proto_goTypes = []interface{}{
+	(*FieldMask)(nil), // 0: common.FieldMask
+}
+var file_common_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_common_proto_init() }
+func file_common_proto_init() {
+	if File_common_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_common_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*FieldMask); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_common_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_common_proto_goTypes,
+		DependencyIndexes: file_common_proto_depIdxs,
+		MessageInfos:      file_common_proto_msgTypes,
+	}.Build()
+	File_common_proto = out.File
+	file_common_proto_rawDesc = nil
+	file_common_proto_goTypes = nil
+	file_common_proto_depIdxs = nil
+}
diff --git a/go/github.com/jupyter-naas/naas-models/go/common/common.pb.validate.go b/go/github.com/jupyter-naas/naas-models/go/common/common.pb.validate.go
new file mode 100644
index 0000000..80c5f55
--- /dev/null
+++ b/go/github.com/jupyter-naas/naas-models/go/common/common.pb.validate.go
@@ -0,0 +1,146 @@
+// Code generated by protoc-gen-validate. DO NOT EDIT.
+// source: common.proto
+
+package common
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"net"
+	"net/mail"
+	"net/url"
+	"regexp"
+	"sort"
+	"strings"
+	"time"
+	"unicode/utf8"
+
+	"google.golang.org/protobuf/types/known/anypb"
+)
+
+// ensure the imports are used
+var (
+	_ = bytes.MinRead
+	_ = errors.New("")
+	_ = fmt.Print
+	_ = utf8.UTFMax
+	_ = (*regexp.Regexp)(nil)
+	_ = (*strings.Reader)(nil)
+	_ = net.IPv4len
+	_ = time.Duration(0)
+	_ = (*url.URL)(nil)
+	_ = (*mail.Address)(nil)
+	_ = anypb.Any{}
+	_ = sort.Sort
+)
+
+// Validate checks the field values on FieldMask with the rules defined in the
+// proto definition for this message. If any rules are violated, the first
+// error encountered is returned, or nil if there are no violations.
+func (m *FieldMask) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on FieldMask with the rules defined in
+// the proto definition for this message. If any rules are violated, the
+// result is a list of violation errors wrapped in FieldMaskMultiError, or nil
+// if none found.
+func (m *FieldMask) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *FieldMask) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if len(m.GetPaths()) < 1 {
+		err := FieldMaskValidationError{
+			field:  "Paths",
+			reason: "value must contain at least 1 item(s)",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if len(errors) > 0 {
+		return FieldMaskMultiError(errors)
+	}
+
+	return nil
+}
+
+// FieldMaskMultiError is an error wrapping multiple validation errors returned
+// by FieldMask.ValidateAll() if the designated constraints aren't met.
+type FieldMaskMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m FieldMaskMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m FieldMaskMultiError) AllErrors() []error { return m }
+
+// FieldMaskValidationError is the validation error returned by
+// FieldMask.Validate if the designated constraints aren't met.
+type FieldMaskValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e FieldMaskValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e FieldMaskValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e FieldMaskValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e FieldMaskValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e FieldMaskValidationError) ErrorName() string { return "FieldMaskValidationError" }
+
+// Error satisfies the builtin error interface
+func (e FieldMaskValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sFieldMask.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = FieldMaskValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = FieldMaskValidationError{}
diff --git a/go/github.com/jupyter-naas/naas-models/go/credit/credit.pb.go b/go/github.com/jupyter-naas/naas-models/go/credit/credit.pb.go
index 6214350..74f06a7 100644
--- a/go/github.com/jupyter-naas/naas-models/go/credit/credit.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/credit/credit.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.32.0
+// 	protoc-gen-go v1.33.0
 // 	protoc        v3.19.5
 // source: credit.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/iam/iam.pb.go b/go/github.com/jupyter-naas/naas-models/go/iam/iam.pb.go
index 3034751..1a1c7af 100644
--- a/go/github.com/jupyter-naas/naas-models/go/iam/iam.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/iam/iam.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.32.0
+// 	protoc-gen-go v1.33.0
 // 	protoc        v3.19.5
 // source: iam.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/registry/registry.pb.go b/go/github.com/jupyter-naas/naas-models/go/registry/registry.pb.go
index 29bb78c..902f16d 100644
--- a/go/github.com/jupyter-naas/naas-models/go/registry/registry.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/registry/registry.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.32.0
+// 	protoc-gen-go v1.33.0
 // 	protoc        v3.19.5
 // source: registry.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/secrets/secret.pb.go b/go/github.com/jupyter-naas/naas-models/go/secrets/secret.pb.go
index 333333f..ef786b7 100644
--- a/go/github.com/jupyter-naas/naas-models/go/secrets/secret.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/secrets/secret.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.32.0
+// 	protoc-gen-go v1.33.0
 // 	protoc        v3.19.5
 // source: secret.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/space/space.pb.go b/go/github.com/jupyter-naas/naas-models/go/space/space.pb.go
index 1d7c308..23876e9 100644
--- a/go/github.com/jupyter-naas/naas-models/go/space/space.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/space/space.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.32.0
+// 	protoc-gen-go v1.33.0
 // 	protoc        v3.19.5
 // source: space.proto
 
diff --git a/go/github.com/jupyter-naas/naas-models/go/workspace/workspace.pb.go b/go/github.com/jupyter-naas/naas-models/go/workspace/workspace.pb.go
index 86f510c..f85fad8 100644
--- a/go/github.com/jupyter-naas/naas-models/go/workspace/workspace.pb.go
+++ b/go/github.com/jupyter-naas/naas-models/go/workspace/workspace.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.32.0
+// 	protoc-gen-go v1.33.0
 // 	protoc        v3.19.5
 // source: workspace.proto
 
diff --git a/protos/chat.proto b/protos/chat.proto
index 135f886..eb23744 100644
--- a/protos/chat.proto
+++ b/protos/chat.proto
@@ -4,7 +4,10 @@ package chat;
 
 option go_package = "github.com/jupyter-naas/naas-models/go/chat";
 
+
 import "google/protobuf/struct.proto";
+
+import "common.proto";
 import "validate.proto";
 // Message
 
@@ -22,6 +25,8 @@ enum MessageError {
     MESSAGE_NOT_FOUND = 2;
     MESSAGE_NOT_UPDATED = 3;
     MESSAGE_NOT_AUTHORIZED = 4;
+
+    MESSAGE_INTERNAL_SERVER_ERROR = 1000;
 }
 
 enum CompletionStatus {
@@ -120,6 +125,15 @@ message Chat {
     optional string starred_at = 8;
 }
 
+message ChatUpdate {
+    optional string name = 1;
+    optional bool is_group = 2;
+    optional bool is_personal_assistant = 3;
+    optional string starred_at = 4;
+
+    optional common.FieldMask field_mask = 100;
+}
+
 message ChatMessages {
     map<int32, Messages> messages = 1;
 }
@@ -134,6 +148,8 @@ enum ChatError {
     CHAT_AIMODEL_NOT_FOUND = 6;
     CHAT_OUT_OF_CREDIT = 7;
     CHAT_CONTEXT_LENGTH_EXCEEDED = 8;
+
+    CHAT_INTERNAL_SERVER_ERROR = 1000;
 }
 
 message ChatResponseError {
@@ -189,7 +205,7 @@ message ChatDeletionResponse {
 
 message ChatUpdateRequest {
     optional int64 id = 1;
-    optional string name = 2;
+    optional ChatUpdate chat_update = 2;
 }
 
 message ChatUpdateResponse {
diff --git a/protos/common.proto b/protos/common.proto
new file mode 100644
index 0000000..dd96019
--- /dev/null
+++ b/protos/common.proto
@@ -0,0 +1,11 @@
+syntax = "proto3";
+
+package common;
+import "validate.proto";
+
+option go_package = "github.com/jupyter-naas/naas-models/go/common";
+
+message FieldMask {
+    // The set of field mask paths.
+    repeated string paths = 1 [(validate.rules).repeated = {min_items: 1}];
+}
\ No newline at end of file
diff --git a/python/naas_models/chat_pb2.py b/python/naas_models/chat_pb2.py
index 1b5be1d..6e9f8b9 100644
--- a/python/naas_models/chat_pb2.py
+++ b/python/naas_models/chat_pb2.py
@@ -14,10 +14,11 @@
 
 
 from google.protobuf import struct_pb2 as google_dot_protobuf_dot_struct__pb2
+import common_pb2 as common__pb2
 import naas_models.validate_pb2 as validate__pb2
 
 
-DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\nchat.proto\x12\x04\x63hat\x1a\x1cgoogle/protobuf/struct.proto\x1a\x0evalidate.proto\"\xa8\x01\n\x14MessageResponseError\x12%\n\x04\x63ode\x18\x01 \x01(\x0e\x32\x12.chat.MessageErrorH\x00\x88\x01\x01\x12\x13\n\x06status\x18\x02 \x01(\tH\x01\x88\x01\x01\x12\x13\n\x06reason\x18\x03 \x01(\tH\x02\x88\x01\x01\x12\x14\n\x07message\x18\x04 \x01(\tH\x03\x88\x01\x01\x42\x07\n\x05_codeB\t\n\x07_statusB\t\n\x07_reasonB\n\n\x08_message\"\xd4\x04\n\x07Message\x12\x0f\n\x02id\x18\x01 \x01(\x05H\x00\x88\x01\x01\x12\x14\n\x07version\x18\x02 \x01(\x05H\x01\x88\x01\x01\x12!\n\ncreated_at\x18\x03 \x01(\tB\x08\xfa\x42\x05r\x03\xd0\x01\x01H\x02\x88\x01\x01\x12\x14\n\x07\x63hat_id\x18\x04 \x01(\x05H\x03\x88\x01\x01\x12\x16\n\tfrom_user\x18\x05 \x01(\x08H\x04\x88\x01\x01\x12\x14\n\x07message\x18\x06 \x01(\tH\x05\x88\x01\x01\x12#\n\x0cmessage_type\x18\x07 \x01(\tB\x08\xfa\x42\x05r\x03\xd0\x01\x01H\x06\x88\x01\x01\x12\'\n\x10message_language\x18\x08 \x01(\tB\x08\xfa\x42\x05r\x03\xd0\x01\x01H\x07\x88\x01\x01\x12\x15\n\x08model_id\x18\t \x01(\tH\x08\x88\x01\x01\x12$\n\x04type\x18\n \x01(\x0e\x32\x11.chat.MessageTypeH\t\x88\x01\x01\x12\x15\n\x08metadata\x18\x0b \x01(\tH\n\x88\x01\x01\x12!\n\ndeleted_at\x18\x0c \x01(\tB\x08\xfa\x42\x05r\x03\xd0\x01\x01H\x0b\x88\x01\x01\x12\x15\n\x08selected\x18\r \x01(\x08H\x0c\x88\x01\x01\x12\"\n\x0b\x61rchived_at\x18\x0e \x01(\tB\x08\xfa\x42\x05r\x03\xd0\x01\x01H\r\x88\x01\x01\x42\x05\n\x03_idB\n\n\x08_versionB\r\n\x0b_created_atB\n\n\x08_chat_idB\x0c\n\n_from_userB\n\n\x08_messageB\x0f\n\r_message_typeB\x13\n\x11_message_languageB\x0b\n\t_model_idB\x07\n\x05_typeB\x0b\n\t_metadataB\r\n\x0b_deleted_atB\x0b\n\t_selectedB\x0e\n\x0c_archived_at\"+\n\x08Messages\x12\x1f\n\x08messages\x18\x01 \x03(\x0b\x32\r.chat.Message\"R\n\x16MessageDeletionRequest\x12\x0f\n\x02id\x18\x01 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\x01(\tB\x1a\xfa\x42\x17r\x15\x32\x10^(LIKE|DISLIKE)$\xd0\x01\x00H\x04\x88\x01\x01\x42\r\n\x0b_message_idB\n\n\x08_user_idB\x12\n\x10_message_versionB\r\n\x0b_created_atB\t\n\x07_rating\"\xb4\x01\n\x1cMessageRatingCreationRequest\x12\x17\n\nmessage_id\x18\x01 \x01(\x05H\x00\x88\x01\x01\x12\x1c\n\x0fmessage_version\x18\x02 \x01(\x05H\x01\x88\x01\x01\x12/\n\x06rating\x18\x03 \x01(\tB\x1a\xfa\x42\x17r\x15\x32\x10^(LIKE|DISLIKE)$\xd0\x01\x00H\x02\x88\x01\x01\x42\r\n\x0b_message_idB\x12\n\x10_message_versionB\t\n\x07_rating\"\xa3\x01\n\x1dMessageRatingCreationResponse\x12\x33\n\x05\x65rror\x18\x01 \x01(\x0b\x32\x1f.chat.MessageRatinResponseErrorH\x00\x88\x01\x01\x12\x30\n\x0emessage_rating\x18\x02 \x01(\x0b\x32\x13.chat.MessageRatingH\x01\x88\x01\x01\x42\x08\n\x06_errorB\x11\n\x0f_message_rating\"\xb6\x02\n\x04\x43hat\x12\x0f\n\x02id\x18\x01 \x01(\x03H\x00\x88\x01\x01\x12\x17\n\ncreated_at\x18\x02 \x01(\tH\x01\x88\x01\x01\x12\x14\n\x07user_id\x18\x03 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\x01(\x0e\x32\x0f.chat.ChatErrorH\x01\x88\x01\x01\x42\x07\n\x05_chatB\x07\n\x05_code\"\xa5\x02\n\x12\x43ompletionResponse\x12\x1f\n\x08messages\x18\x01 \x03(\x0b\x32\r.chat.Message\x12\x19\n\x0cinput_tokens\x18\x02 \x01(\x05H\x00\x88\x01\x01\x12\x1a\n\routput_tokens\x18\x03 \x01(\x05H\x01\x88\x01\x01\x12\x1d\n\x10image_resolution\x18\x04 \x01(\tH\x02\x88\x01\x01\x12\x18\n\x0bimage_steps\x18\x05 \x01(\x05H\x03\x88\x01\x01\x12+\n\x06status\x18\x06 \x01(\x0e\x32\x16.chat.CompletionStatusH\x04\x88\x01\x01\x42\x0f\n\r_input_tokensB\x10\n\x0e_output_tokensB\x13\n\x11_image_resolutionB\x0e\n\x0c_image_stepsB\t\n\x07_status\"c\n\x0b\x42\x61sePayload\x12\x11\n\x04name\x18\x01 \x01(\tH\x00\x88\x01\x01\x12\x10\n\x03url\x18\x02 \x01(\tH\x01\x88\x01\x01\x12\x13\n\x06prompt\x18\x03 \x01(\tH\x02\x88\x01\x01\x42\x07\n\x05_nameB\x06\n\x04_urlB\t\n\x07_prompt\"u\n\x15\x43hatCompletionRequest\x12\x0f\n\x02id\x18\x01 \x01(\x05H\x00\x88\x01\x01\x12\x15\n\x08model_id\x18\x02 \x01(\tH\x01\x88\x01\x01\x12\x14\n\x07payload\x18\x03 \x01(\tH\x02\x88\x01\x01\x42\x05\n\x03_idB\x0b\n\t_model_idB\n\n\x08_payload\"3\n\x19\x43hatStopCompletionRequest\x12\x0f\n\x02id\x18\x01 \x01(\x05H\x00\x88\x01\x01\x42\x05\n\x03_id\"S\n\x1a\x43hatStopCompletionResponse\x12+\n\x05\x65rror\x18\x01 \x01(\x0b\x32\x17.chat.ChatResponseErrorH\x00\x88\x01\x01\x42\x08\n\x06_error\"\x91\x01\n\x16\x43hatCompletionResponse\x12\x31\n\ncompletion\x18\x01 \x01(\x0b\x32\x18.chat.CompletionResponseH\x00\x88\x01\x01\x12+\n\x05\x65rror\x18\x02 \x01(\x0b\x32\x17.chat.ChatResponseErrorH\x01\x88\x01\x01\x42\r\n\x0b_completionB\x08\n\x06_error*;\n\x0bMessageType\x12\r\n\tUNDEFINED\x10\x00\x12\n\n\x06SYSTEM\x10\x01\x12\x06\n\x02\x41I\x10\x02\x12\t\n\x05HUMAN\x10\x03*\xb0\x01\n\x0cMessageError\x12\x14\n\x10MESSAGE_NO_ERROR\x10\x00\x12\x1a\n\x16MESSAGE_ALREADY_EXISTS\x10\x01\x12\x15\n\x11MESSAGE_NOT_FOUND\x10\x02\x12\x17\n\x13MESSAGE_NOT_UPDATED\x10\x03\x12\x1a\n\x16MESSAGE_NOT_AUTHORIZED\x10\x04\x12\"\n\x1dMESSAGE_INTERNAL_SERVER_ERROR\x10\xe8\x07*:\n\x10\x43ompletionStatus\x12\r\n\tCOMPLETED\x10\x00\x12\n\n\x06\x46\x41ILED\x10\x01\x12\x0b\n\x07TIMEOUT\x10\x02*\x9e\x02\n\tChatError\x12\x11\n\rCHAT_NO_ERROR\x10\x00\x12\x17\n\x13\x43HAT_ALREADY_EXISTS\x10\x01\x12\x12\n\x0e\x43HAT_NOT_FOUND\x10\x02\x12\x14\n\x10\x43HAT_NOT_UPDATED\x10\x03\x12\x17\n\x13\x43HAT_NOT_AUTHORIZED\x10\x04\x12+\n\'CHAT_COMPLETION_ADAPTOR_DOES_NOT_EXISTS\x10\x05\x12\x1a\n\x16\x43HAT_AIMODEL_NOT_FOUND\x10\x06\x12\x16\n\x12\x43HAT_OUT_OF_CREDIT\x10\x07\x12 \n\x1c\x43HAT_CONTEXT_LENGTH_EXCEEDED\x10\x08\x12\x1f\n\x1a\x43HAT_INTERNAL_SERVER_ERROR\x10\xe8\x07\x32\xfa\x02\n\x0b\x43hatService\x12\x41\n\x06\x43reate\x12\x19.chat.ChatCreationRequest\x1a\x1a.chat.ChatCreationResponse\"\x00\x12\x34\n\x03Get\x12\x14.chat.ChatGetRequest\x1a\x15.chat.ChatGetResponse\"\x00\x12\x37\n\x04List\x12\x15.chat.ChatListRequest\x1a\x16.chat.ChatListResponse\"\x00\x12\x41\n\x06\x44\x65lete\x12\x19.chat.ChatDeletionRequest\x1a\x1a.chat.ChatDeletionResponse\"\x00\x12=\n\x06Update\x12\x17.chat.ChatUpdateRequest\x1a\x18.chat.ChatUpdateResponse\"\x00\x12\x37\n\x04Star\x12\x15.chat.ChatStarRequest\x1a\x16.chat.ChatStarResponse\"\x00\x42-Z+github.com/jupyter-naas/naas-models/go/chatb\x06proto3')
 
 _MESSAGETYPE = DESCRIPTOR.enum_types_by_name['MessageType']
 MessageType = enum_type_wrapper.EnumTypeWrapper(_MESSAGETYPE)
@@ -36,6 +37,7 @@
 MESSAGE_NOT_FOUND = 2
 MESSAGE_NOT_UPDATED = 3
 MESSAGE_NOT_AUTHORIZED = 4
+MESSAGE_INTERNAL_SERVER_ERROR = 1000
 COMPLETED = 0
 FAILED = 1
 TIMEOUT = 2
@@ -48,6 +50,7 @@
 CHAT_AIMODEL_NOT_FOUND = 6
 CHAT_OUT_OF_CREDIT = 7
 CHAT_CONTEXT_LENGTH_EXCEEDED = 8
+CHAT_INTERNAL_SERVER_ERROR = 1000
 
 
 _MESSAGERESPONSEERROR = DESCRIPTOR.message_types_by_name['MessageResponseError']
@@ -60,6 +63,7 @@
 _MESSAGERATINGCREATIONREQUEST = DESCRIPTOR.message_types_by_name['MessageRatingCreationRequest']
 _MESSAGERATINGCREATIONRESPONSE = DESCRIPTOR.message_types_by_name['MessageRatingCreationResponse']
 _CHAT = DESCRIPTOR.message_types_by_name['Chat']
+_CHATUPDATE = DESCRIPTOR.message_types_by_name['ChatUpdate']
 _CHATMESSAGES = DESCRIPTOR.message_types_by_name['ChatMessages']
 _CHATMESSAGES_MESSAGESENTRY = _CHATMESSAGES.nested_types_by_name['MessagesEntry']
 _CHATRESPONSEERROR = DESCRIPTOR.message_types_by_name['ChatResponseError']
@@ -153,6 +157,13 @@
   })
 _sym_db.RegisterMessage(Chat)
 
+ChatUpdate = _reflection.GeneratedProtocolMessageType('ChatUpdate', (_message.Message,), {
+  'DESCRIPTOR' : _CHATUPDATE,
+  '__module__' : 'chat_pb2'
+  # @@protoc_insertion_point(class_scope:chat.ChatUpdate)
+  })
+_sym_db.RegisterMessage(ChatUpdate)
+
 ChatMessages = _reflection.GeneratedProtocolMessageType('ChatMessages', (_message.Message,), {
 
   'MessagesEntry' : _reflection.GeneratedProtocolMessageType('MessagesEntry', (_message.Message,), {
@@ -336,80 +347,82 @@
   _MESSAGERATINGCREATIONREQUEST.fields_by_name['rating']._serialized_options = b'\372B\027r\0252\020^(LIKE|DISLIKE)$\320\001\000'
   _CHATMESSAGES_MESSAGESENTRY._options = None
   _CHATMESSAGES_MESSAGESENTRY._serialized_options = b'8\001'
-  _MESSAGETYPE._serialized_start=4490
-  _MESSAGETYPE._serialized_end=4549
-  _MESSAGEERROR._serialized_start=4552
-  _MESSAGEERROR._serialized_end=4692
-  _COMPLETIONSTATUS._serialized_start=4694
-  _COMPLETIONSTATUS._serialized_end=4752
-  _CHATERROR._serialized_start=4755
-  _CHATERROR._serialized_end=5008
-  _MESSAGERESPONSEERROR._serialized_start=67
-  _MESSAGERESPONSEERROR._serialized_end=235
-  _MESSAGE._serialized_start=238
-  _MESSAGE._serialized_end=834
-  _MESSAGES._serialized_start=836
-  _MESSAGES._serialized_end=879
-  _MESSAGEDELETIONREQUEST._serialized_start=881
-  _MESSAGEDELETIONREQUEST._serialized_end=963
-  _MESSAGEDELETIONRESPONSE._serialized_start=965
-  _MESSAGEDELETIONRESPONSE._serialized_end=1040
-  _MESSAGERATINRESPONSEERROR._serialized_start=1043
-  _MESSAGERATINRESPONSEERROR._serialized_end=1216
-  _MESSAGERATING._serialized_start=1219
-  _MESSAGERATING._serialized_end=1458
-  _MESSAGERATINGCREATIONREQUEST._serialized_start=1461
-  _MESSAGERATINGCREATIONREQUEST._serialized_end=1641
-  _MESSAGERATINGCREATIONRESPONSE._serialized_start=1644
-  _MESSAGERATINGCREATIONRESPONSE._serialized_end=1807
-  _CHAT._serialized_start=1810
-  _CHAT._serialized_end=2120
-  _CHATMESSAGES._serialized_start=2123
-  _CHATMESSAGES._serialized_end=2254
-  _CHATMESSAGES_MESSAGESENTRY._serialized_start=2191
-  _CHATMESSAGES_MESSAGESENTRY._serialized_end=2254
-  _CHATRESPONSEERROR._serialized_start=2257
-  _CHATRESPONSEERROR._serialized_end=2419
-  _CHATCREATIONREQUEST._serialized_start=2421
-  _CHATCREATIONREQUEST._serialized_end=2532
-  _CHATCREATIONRESPONSE._serialized_start=2534
-  _CHATCREATIONRESPONSE._serialized_end=2651
-  _CHATGETREQUEST._serialized_start=2653
-  _CHATGETREQUEST._serialized_end=2693
-  _CHATGETRESPONSE._serialized_start=2695
-  _CHATGETRESPONSE._serialized_end=2807
-  _CHATMESSAGEGETREQUEST._serialized_start=2809
-  _CHATMESSAGEGETREQUEST._serialized_end=2856
-  _CHATMESSAGEGETRESPONSE._serialized_start=2859
-  _CHATMESSAGEGETRESPONSE._serialized_end=2994
-  _CHATDELETIONREQUEST._serialized_start=2996
-  _CHATDELETIONREQUEST._serialized_end=3041
-  _CHATDELETIONRESPONSE._serialized_start=3043
-  _CHATDELETIONRESPONSE._serialized_end=3120
-  _CHATUPDATEREQUEST._serialized_start=3122
-  _CHATUPDATEREQUEST._serialized_end=3193
-  _CHATUPDATERESPONSE._serialized_start=3195
-  _CHATUPDATERESPONSE._serialized_end=3310
-  _CHATLISTREQUEST._serialized_start=3312
-  _CHATLISTREQUEST._serialized_end=3409
-  _CHATLISTRESPONSE._serialized_start=3411
-  _CHATLISTRESPONSE._serialized_end=3510
-  _CHATSTARREQUEST._serialized_start=3512
-  _CHATSTARREQUEST._serialized_end=3581
-  _CHATSTARRESPONSE._serialized_start=3583
-  _CHATSTARRESPONSE._serialized_end=3686
-  _COMPLETIONRESPONSE._serialized_start=3689
-  _COMPLETIONRESPONSE._serialized_end=3982
-  _BASEPAYLOAD._serialized_start=3984
-  _BASEPAYLOAD._serialized_end=4083
-  _CHATCOMPLETIONREQUEST._serialized_start=4085
-  _CHATCOMPLETIONREQUEST._serialized_end=4202
-  _CHATSTOPCOMPLETIONREQUEST._serialized_start=4204
-  _CHATSTOPCOMPLETIONREQUEST._serialized_end=4255
-  _CHATSTOPCOMPLETIONRESPONSE._serialized_start=4257
-  _CHATSTOPCOMPLETIONRESPONSE._serialized_end=4340
-  _CHATCOMPLETIONRESPONSE._serialized_start=4343
-  _CHATCOMPLETIONRESPONSE._serialized_end=4488
-  _CHATSERVICE._serialized_start=5011
-  _CHATSERVICE._serialized_end=5389
+  _MESSAGETYPE._serialized_start=4776
+  _MESSAGETYPE._serialized_end=4835
+  _MESSAGEERROR._serialized_start=4838
+  _MESSAGEERROR._serialized_end=5014
+  _COMPLETIONSTATUS._serialized_start=5016
+  _COMPLETIONSTATUS._serialized_end=5074
+  _CHATERROR._serialized_start=5077
+  _CHATERROR._serialized_end=5363
+  _MESSAGERESPONSEERROR._serialized_start=81
+  _MESSAGERESPONSEERROR._serialized_end=249
+  _MESSAGE._serialized_start=252
+  _MESSAGE._serialized_end=848
+  _MESSAGES._serialized_start=850
+  _MESSAGES._serialized_end=893
+  _MESSAGEDELETIONREQUEST._serialized_start=895
+  _MESSAGEDELETIONREQUEST._serialized_end=977
+  _MESSAGEDELETIONRESPONSE._serialized_start=979
+  _MESSAGEDELETIONRESPONSE._serialized_end=1054
+  _MESSAGERATINRESPONSEERROR._serialized_start=1057
+  _MESSAGERATINRESPONSEERROR._serialized_end=1230
+  _MESSAGERATING._serialized_start=1233
+  _MESSAGERATING._serialized_end=1472
+  _MESSAGERATINGCREATIONREQUEST._serialized_start=1475
+  _MESSAGERATINGCREATIONREQUEST._serialized_end=1655
+  _MESSAGERATINGCREATIONRESPONSE._serialized_start=1658
+  _MESSAGERATINGCREATIONRESPONSE._serialized_end=1821
+  _CHAT._serialized_start=1824
+  _CHAT._serialized_end=2134
+  _CHATUPDATE._serialized_start=2137
+  _CHATUPDATE._serialized_end=2374
+  _CHATMESSAGES._serialized_start=2377
+  _CHATMESSAGES._serialized_end=2508
+  _CHATMESSAGES_MESSAGESENTRY._serialized_start=2445
+  _CHATMESSAGES_MESSAGESENTRY._serialized_end=2508
+  _CHATRESPONSEERROR._serialized_start=2511
+  _CHATRESPONSEERROR._serialized_end=2673
+  _CHATCREATIONREQUEST._serialized_start=2675
+  _CHATCREATIONREQUEST._serialized_end=2786
+  _CHATCREATIONRESPONSE._serialized_start=2788
+  _CHATCREATIONRESPONSE._serialized_end=2905
+  _CHATGETREQUEST._serialized_start=2907
+  _CHATGETREQUEST._serialized_end=2947
+  _CHATGETRESPONSE._serialized_start=2949
+  _CHATGETRESPONSE._serialized_end=3061
+  _CHATMESSAGEGETREQUEST._serialized_start=3063
+  _CHATMESSAGEGETREQUEST._serialized_end=3110
+  _CHATMESSAGEGETRESPONSE._serialized_start=3113
+  _CHATMESSAGEGETRESPONSE._serialized_end=3248
+  _CHATDELETIONREQUEST._serialized_start=3250
+  _CHATDELETIONREQUEST._serialized_end=3295
+  _CHATDELETIONRESPONSE._serialized_start=3297
+  _CHATDELETIONRESPONSE._serialized_end=3374
+  _CHATUPDATEREQUEST._serialized_start=3376
+  _CHATUPDATEREQUEST._serialized_end=3479
+  _CHATUPDATERESPONSE._serialized_start=3481
+  _CHATUPDATERESPONSE._serialized_end=3596
+  _CHATLISTREQUEST._serialized_start=3598
+  _CHATLISTREQUEST._serialized_end=3695
+  _CHATLISTRESPONSE._serialized_start=3697
+  _CHATLISTRESPONSE._serialized_end=3796
+  _CHATSTARREQUEST._serialized_start=3798
+  _CHATSTARREQUEST._serialized_end=3867
+  _CHATSTARRESPONSE._serialized_start=3869
+  _CHATSTARRESPONSE._serialized_end=3972
+  _COMPLETIONRESPONSE._serialized_start=3975
+  _COMPLETIONRESPONSE._serialized_end=4268
+  _BASEPAYLOAD._serialized_start=4270
+  _BASEPAYLOAD._serialized_end=4369
+  _CHATCOMPLETIONREQUEST._serialized_start=4371
+  _CHATCOMPLETIONREQUEST._serialized_end=4488
+  _CHATSTOPCOMPLETIONREQUEST._serialized_start=4490
+  _CHATSTOPCOMPLETIONREQUEST._serialized_end=4541
+  _CHATSTOPCOMPLETIONRESPONSE._serialized_start=4543
+  _CHATSTOPCOMPLETIONRESPONSE._serialized_end=4626
+  _CHATCOMPLETIONRESPONSE._serialized_start=4629
+  _CHATCOMPLETIONRESPONSE._serialized_end=4774
+  _CHATSERVICE._serialized_start=5366
+  _CHATSERVICE._serialized_end=5744
 # @@protoc_insertion_point(module_scope)
diff --git a/python/naas_models/common_pb2.py b/python/naas_models/common_pb2.py
new file mode 100644
index 0000000..facfe79
--- /dev/null
+++ b/python/naas_models/common_pb2.py
@@ -0,0 +1,38 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: common.proto
+"""Generated protocol buffer code."""
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import message as _message
+from google.protobuf import reflection as _reflection
+from google.protobuf import symbol_database as _symbol_database
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+import naas_models.validate_pb2 as validate__pb2
+
+
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x0c\x63ommon.proto\x12\x06\x63ommon\x1a\x0evalidate.proto\"$\n\tFieldMask\x12\x17\n\x05paths\x18\x01 \x03(\tB\x08\xfa\x42\x05\x92\x01\x02\x08\x01\x42/Z-github.com/jupyter-naas/naas-models/go/commonb\x06proto3')
+
+
+
+_FIELDMASK = DESCRIPTOR.message_types_by_name['FieldMask']
+FieldMask = _reflection.GeneratedProtocolMessageType('FieldMask', (_message.Message,), {
+  'DESCRIPTOR' : _FIELDMASK,
+  '__module__' : 'common_pb2'
+  # @@protoc_insertion_point(class_scope:common.FieldMask)
+  })
+_sym_db.RegisterMessage(FieldMask)
+
+if _descriptor._USE_C_DESCRIPTORS == False:
+
+  DESCRIPTOR._options = None
+  DESCRIPTOR._serialized_options = b'Z-github.com/jupyter-naas/naas-models/go/common'
+  _FIELDMASK.fields_by_name['paths']._options = None
+  _FIELDMASK.fields_by_name['paths']._serialized_options = b'\372B\005\222\001\002\010\001'
+  _FIELDMASK._serialized_start=40
+  _FIELDMASK._serialized_end=76
+# @@protoc_insertion_point(module_scope)
diff --git a/python/naas_models/pydantic/chat_p2p.py b/python/naas_models/pydantic/chat_p2p.py
index c457e2f..eef32e4 100644
--- a/python/naas_models/pydantic/chat_p2p.py
+++ b/python/naas_models/pydantic/chat_p2p.py
@@ -2,6 +2,7 @@
 # gen by protobuf_to_pydantic(https://github.com/so1n/protobuf_to_pydantic)
 # type: ignore
 
+from naas_models.pydantic.common_p2p import FieldMask
 from enum import IntEnum
 from google.protobuf.message import Message  # type: ignore
 from protobuf_to_pydantic.customer_validator import check_one_of
@@ -25,6 +26,7 @@ class MessageError(IntEnum):
     MESSAGE_NOT_FOUND = 2
     MESSAGE_NOT_UPDATED = 3
     MESSAGE_NOT_AUTHORIZED = 4
+    MESSAGE_INTERNAL_SERVER_ERROR = 1000
 
 
 class CompletionStatus(IntEnum):
@@ -43,6 +45,7 @@ class ChatError(IntEnum):
     CHAT_AIMODEL_NOT_FOUND = 6
     CHAT_OUT_OF_CREDIT = 7
     CHAT_CONTEXT_LENGTH_EXCEEDED = 8
+    CHAT_INTERNAL_SERVER_ERROR = 1000
 
 
 
@@ -178,6 +181,20 @@ class Chat(BaseModel):
 
 
 
+class ChatUpdate(BaseModel):
+
+    _one_of_dict = {"ChatUpdate._field_mask": {"fields": {"field_mask"}}, "ChatUpdate._is_group": {"fields": {"is_group"}}, "ChatUpdate._is_personal_assistant": {"fields": {"is_personal_assistant"}}, "ChatUpdate._name": {"fields": {"name"}}, "ChatUpdate._starred_at": {"fields": {"starred_at"}}}
+    _check_one_of = root_validator(pre=True, allow_reuse=True)(check_one_of)
+
+    name: str = FieldInfo(default="") 
+    is_group: bool = FieldInfo(default=False) 
+    is_personal_assistant: bool = FieldInfo(default=False) 
+    starred_at: str = FieldInfo(default="") 
+    field_mask: FieldMask = FieldInfo() 
+
+
+
+
 class ChatMessages(BaseModel):
 
     messages: typing.Dict[int, Messages] = FieldInfo(default_factory=dict) 
@@ -284,11 +301,11 @@ class ChatDeletionResponse(BaseModel):
 
 class ChatUpdateRequest(BaseModel):
 
-    _one_of_dict = {"ChatUpdateRequest._id": {"fields": {"id"}}, "ChatUpdateRequest._name": {"fields": {"name"}}}
+    _one_of_dict = {"ChatUpdateRequest._chat_update": {"fields": {"chat_update"}}, "ChatUpdateRequest._id": {"fields": {"id"}}}
     _check_one_of = root_validator(pre=True, allow_reuse=True)(check_one_of)
 
     id: int = FieldInfo(default=0) 
-    name: str = FieldInfo(default="") 
+    chat_update: ChatUpdate = FieldInfo() 
 
 
 
diff --git a/python/naas_models/pydantic/common_p2p.py b/python/naas_models/pydantic/common_p2p.py
new file mode 100644
index 0000000..fb802bc
--- /dev/null
+++ b/python/naas_models/pydantic/common_p2p.py
@@ -0,0 +1,18 @@
+# This is an automatically generated file, please do not change
+# gen by protobuf_to_pydantic(https://github.com/so1n/protobuf_to_pydantic)
+# type: ignore
+
+from google.protobuf.message import Message  # type: ignore
+from pydantic import BaseModel
+from pydantic.fields import FieldInfo
+import typing
+
+
+
+
+
+class FieldMask(BaseModel):
+
+    paths: typing.List[str] = FieldInfo(default_factory=list, min_items=1) 
+
+