feat: add Steam and VK auth RPCs to AuthService proto

Add GetSteamAuthURL/ExchangeSteamLogin (OpenID 2.0) and
GetVKOAuthURL/ExchangeVKCode (OAuth 2.0) RPCs with corresponding
request message types.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

auth.pb.go

@@ -2,7 +2,7 @@
 // versions:
 // 	protoc-gen-go v1.36.11
 // 	protoc        v7.34.0
-// source: proto/l-ai-core-proto/auth.proto
+// source: auth.proto
 
 package proto
 
@@ -31,7 +31,7 @@ type TelegramTokenRequest struct {
 
 func (x *TelegramTokenRequest) Reset() {
 	*x = TelegramTokenRequest{}
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[0]
+	mi := &file_auth_proto_msgTypes[0]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -43,7 +43,7 @@ func (x *TelegramTokenRequest) String() string {
 func (*TelegramTokenRequest) ProtoMessage() {}
 
 func (x *TelegramTokenRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[0]
+	mi := &file_auth_proto_msgTypes[0]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -56,7 +56,7 @@ func (x *TelegramTokenRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TelegramTokenRequest.ProtoReflect.Descriptor instead.
 func (*TelegramTokenRequest) Descriptor() ([]byte, []int) {
-	return file_proto_l_ai_core_proto_auth_proto_rawDescGZIP(), []int{0}
+	return file_auth_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *TelegramTokenRequest) GetIdToken() string {
@@ -82,7 +82,7 @@ type TelegramAuthRequest struct {
 
 func (x *TelegramAuthRequest) Reset() {
 	*x = TelegramAuthRequest{}
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[1]
+	mi := &file_auth_proto_msgTypes[1]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -94,7 +94,7 @@ func (x *TelegramAuthRequest) String() string {
 func (*TelegramAuthRequest) ProtoMessage() {}
 
 func (x *TelegramAuthRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[1]
+	mi := &file_auth_proto_msgTypes[1]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -107,7 +107,7 @@ func (x *TelegramAuthRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TelegramAuthRequest.ProtoReflect.Descriptor instead.
 func (*TelegramAuthRequest) Descriptor() ([]byte, []int) {
-	return file_proto_l_ai_core_proto_auth_proto_rawDescGZIP(), []int{1}
+	return file_auth_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *TelegramAuthRequest) GetId() int64 {
@@ -169,7 +169,7 @@ type GetDiscordOAuthURLRequest struct {
 
 func (x *GetDiscordOAuthURLRequest) Reset() {
 	*x = GetDiscordOAuthURLRequest{}
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[2]
+	mi := &file_auth_proto_msgTypes[2]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -181,7 +181,7 @@ func (x *GetDiscordOAuthURLRequest) String() string {
 func (*GetDiscordOAuthURLRequest) ProtoMessage() {}
 
 func (x *GetDiscordOAuthURLRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[2]
+	mi := &file_auth_proto_msgTypes[2]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -194,7 +194,7 @@ func (x *GetDiscordOAuthURLRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetDiscordOAuthURLRequest.ProtoReflect.Descriptor instead.
 func (*GetDiscordOAuthURLRequest) Descriptor() ([]byte, []int) {
-	return file_proto_l_ai_core_proto_auth_proto_rawDescGZIP(), []int{2}
+	return file_auth_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *GetDiscordOAuthURLRequest) GetRedirectUri() string {
@@ -215,7 +215,7 @@ type OAuthURLResponse struct {
 
 func (x *OAuthURLResponse) Reset() {
 	*x = OAuthURLResponse{}
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[3]
+	mi := &file_auth_proto_msgTypes[3]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -227,7 +227,7 @@ func (x *OAuthURLResponse) String() string {
 func (*OAuthURLResponse) ProtoMessage() {}
 
 func (x *OAuthURLResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[3]
+	mi := &file_auth_proto_msgTypes[3]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -240,7 +240,7 @@ func (x *OAuthURLResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use OAuthURLResponse.ProtoReflect.Descriptor instead.
 func (*OAuthURLResponse) Descriptor() ([]byte, []int) {
-	return file_proto_l_ai_core_proto_auth_proto_rawDescGZIP(), []int{3}
+	return file_auth_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *OAuthURLResponse) GetUrl() string {
@@ -269,7 +269,7 @@ type DiscordExchangeRequest struct {
 
 func (x *DiscordExchangeRequest) Reset() {
 	*x = DiscordExchangeRequest{}
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[4]
+	mi := &file_auth_proto_msgTypes[4]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -281,7 +281,7 @@ func (x *DiscordExchangeRequest) String() string {
 func (*DiscordExchangeRequest) ProtoMessage() {}
 
 func (x *DiscordExchangeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[4]
+	mi := &file_auth_proto_msgTypes[4]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -294,7 +294,7 @@ func (x *DiscordExchangeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DiscordExchangeRequest.ProtoReflect.Descriptor instead.
 func (*DiscordExchangeRequest) Descriptor() ([]byte, []int) {
-	return file_proto_l_ai_core_proto_auth_proto_rawDescGZIP(), []int{4}
+	return file_auth_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *DiscordExchangeRequest) GetCode() string {
@@ -318,6 +318,210 @@ func (x *DiscordExchangeRequest) GetRedirectUri() string {
 	return ""
 }
 
+// GetSteamAuthURLRequest — caller provides the redirect_uri for their service
+type GetSteamAuthURLRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	RedirectUri   string                 `protobuf:"bytes,1,opt,name=redirect_uri,json=redirectUri,proto3" json:"redirect_uri,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *GetSteamAuthURLRequest) Reset() {
+	*x = GetSteamAuthURLRequest{}
+	mi := &file_auth_proto_msgTypes[5]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GetSteamAuthURLRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetSteamAuthURLRequest) ProtoMessage() {}
+
+func (x *GetSteamAuthURLRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_auth_proto_msgTypes[5]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetSteamAuthURLRequest.ProtoReflect.Descriptor instead.
+func (*GetSteamAuthURLRequest) Descriptor() ([]byte, []int) {
+	return file_auth_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *GetSteamAuthURLRequest) GetRedirectUri() string {
+	if x != nil {
+		return x.RedirectUri
+	}
+	return ""
+}
+
+// SteamExchangeRequest — all OpenID 2.0 params received in the Steam callback
+type SteamExchangeRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	State         string                 `protobuf:"bytes,1,opt,name=state,proto3" json:"state,omitempty"`
+	OpenidParams  map[string]string      `protobuf:"bytes,2,rep,name=openid_params,json=openidParams,proto3" json:"openid_params,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *SteamExchangeRequest) Reset() {
+	*x = SteamExchangeRequest{}
+	mi := &file_auth_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *SteamExchangeRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SteamExchangeRequest) ProtoMessage() {}
+
+func (x *SteamExchangeRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_auth_proto_msgTypes[6]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SteamExchangeRequest.ProtoReflect.Descriptor instead.
+func (*SteamExchangeRequest) Descriptor() ([]byte, []int) {
+	return file_auth_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *SteamExchangeRequest) GetState() string {
+	if x != nil {
+		return x.State
+	}
+	return ""
+}
+
+func (x *SteamExchangeRequest) GetOpenidParams() map[string]string {
+	if x != nil {
+		return x.OpenidParams
+	}
+	return nil
+}
+
+// GetVKOAuthURLRequest — caller provides the redirect_uri for their service
+type GetVKOAuthURLRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	RedirectUri   string                 `protobuf:"bytes,1,opt,name=redirect_uri,json=redirectUri,proto3" json:"redirect_uri,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *GetVKOAuthURLRequest) Reset() {
+	*x = GetVKOAuthURLRequest{}
+	mi := &file_auth_proto_msgTypes[7]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GetVKOAuthURLRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetVKOAuthURLRequest) ProtoMessage() {}
+
+func (x *GetVKOAuthURLRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_auth_proto_msgTypes[7]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetVKOAuthURLRequest.ProtoReflect.Descriptor instead.
+func (*GetVKOAuthURLRequest) Descriptor() ([]byte, []int) {
+	return file_auth_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *GetVKOAuthURLRequest) GetRedirectUri() string {
+	if x != nil {
+		return x.RedirectUri
+	}
+	return ""
+}
+
+// VKExchangeRequest — exchange code received in VK callback
+type VKExchangeRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Code          string                 `protobuf:"bytes,1,opt,name=code,proto3" json:"code,omitempty"`
+	State         string                 `protobuf:"bytes,2,opt,name=state,proto3" json:"state,omitempty"`
+	RedirectUri   string                 `protobuf:"bytes,3,opt,name=redirect_uri,json=redirectUri,proto3" json:"redirect_uri,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *VKExchangeRequest) Reset() {
+	*x = VKExchangeRequest{}
+	mi := &file_auth_proto_msgTypes[8]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *VKExchangeRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*VKExchangeRequest) ProtoMessage() {}
+
+func (x *VKExchangeRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_auth_proto_msgTypes[8]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use VKExchangeRequest.ProtoReflect.Descriptor instead.
+func (*VKExchangeRequest) Descriptor() ([]byte, []int) {
+	return file_auth_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *VKExchangeRequest) GetCode() string {
+	if x != nil {
+		return x.Code
+	}
+	return ""
+}
+
+func (x *VKExchangeRequest) GetState() string {
+	if x != nil {
+		return x.State
+	}
+	return ""
+}
+
+func (x *VKExchangeRequest) GetRedirectUri() string {
+	if x != nil {
+		return x.RedirectUri
+	}
+	return ""
+}
+
 // AuthResponse is returned after successful authentication
 type AuthResponse struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
@@ -332,7 +536,7 @@ type AuthResponse struct {
 
 func (x *AuthResponse) Reset() {
 	*x = AuthResponse{}
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[5]
+	mi := &file_auth_proto_msgTypes[9]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -344,7 +548,7 @@ func (x *AuthResponse) String() string {
 func (*AuthResponse) ProtoMessage() {}
 
 func (x *AuthResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[5]
+	mi := &file_auth_proto_msgTypes[9]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -357,7 +561,7 @@ func (x *AuthResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AuthResponse.ProtoReflect.Descriptor instead.
 func (*AuthResponse) Descriptor() ([]byte, []int) {
-	return file_proto_l_ai_core_proto_auth_proto_rawDescGZIP(), []int{5}
+	return file_auth_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *AuthResponse) GetAccessToken() string {
@@ -404,7 +608,7 @@ type RefreshTokenRequest struct {
 
 func (x *RefreshTokenRequest) Reset() {
 	*x = RefreshTokenRequest{}
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[6]
+	mi := &file_auth_proto_msgTypes[10]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -416,7 +620,7 @@ func (x *RefreshTokenRequest) String() string {
 func (*RefreshTokenRequest) ProtoMessage() {}
 
 func (x *RefreshTokenRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[6]
+	mi := &file_auth_proto_msgTypes[10]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -429,7 +633,7 @@ func (x *RefreshTokenRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RefreshTokenRequest.ProtoReflect.Descriptor instead.
 func (*RefreshTokenRequest) Descriptor() ([]byte, []int) {
-	return file_proto_l_ai_core_proto_auth_proto_rawDescGZIP(), []int{6}
+	return file_auth_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *RefreshTokenRequest) GetRefreshToken() string {
@@ -448,7 +652,7 @@ type RevokeTokenRequest struct {
 
 func (x *RevokeTokenRequest) Reset() {
 	*x = RevokeTokenRequest{}
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[7]
+	mi := &file_auth_proto_msgTypes[11]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -460,7 +664,7 @@ func (x *RevokeTokenRequest) String() string {
 func (*RevokeTokenRequest) ProtoMessage() {}
 
 func (x *RevokeTokenRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[7]
+	mi := &file_auth_proto_msgTypes[11]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -473,7 +677,7 @@ func (x *RevokeTokenRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RevokeTokenRequest.ProtoReflect.Descriptor instead.
 func (*RevokeTokenRequest) Descriptor() ([]byte, []int) {
-	return file_proto_l_ai_core_proto_auth_proto_rawDescGZIP(), []int{7}
+	return file_auth_proto_rawDescGZIP(), []int{11}
 }
 
 func (x *RevokeTokenRequest) GetToken() string {
@@ -492,7 +696,7 @@ type RevokeTokenResponse struct {
 
 func (x *RevokeTokenResponse) Reset() {
 	*x = RevokeTokenResponse{}
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[8]
+	mi := &file_auth_proto_msgTypes[12]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -504,7 +708,7 @@ func (x *RevokeTokenResponse) String() string {
 func (*RevokeTokenResponse) ProtoMessage() {}
 
 func (x *RevokeTokenResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[8]
+	mi := &file_auth_proto_msgTypes[12]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -517,7 +721,7 @@ func (x *RevokeTokenResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RevokeTokenResponse.ProtoReflect.Descriptor instead.
 func (*RevokeTokenResponse) Descriptor() ([]byte, []int) {
-	return file_proto_l_ai_core_proto_auth_proto_rawDescGZIP(), []int{8}
+	return file_auth_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *RevokeTokenResponse) GetSuccess() bool {
@@ -536,7 +740,7 @@ type ValidateTokenRequest struct {
 
 func (x *ValidateTokenRequest) Reset() {
 	*x = ValidateTokenRequest{}
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[9]
+	mi := &file_auth_proto_msgTypes[13]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -548,7 +752,7 @@ func (x *ValidateTokenRequest) String() string {
 func (*ValidateTokenRequest) ProtoMessage() {}
 
 func (x *ValidateTokenRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[9]
+	mi := &file_auth_proto_msgTypes[13]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -561,7 +765,7 @@ func (x *ValidateTokenRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ValidateTokenRequest.ProtoReflect.Descriptor instead.
 func (*ValidateTokenRequest) Descriptor() ([]byte, []int) {
-	return file_proto_l_ai_core_proto_auth_proto_rawDescGZIP(), []int{9}
+	return file_auth_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *ValidateTokenRequest) GetToken() string {
@@ -583,7 +787,7 @@ type ValidateTokenResponse struct {
 
 func (x *ValidateTokenResponse) Reset() {
 	*x = ValidateTokenResponse{}
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[10]
+	mi := &file_auth_proto_msgTypes[14]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -595,7 +799,7 @@ func (x *ValidateTokenResponse) String() string {
 func (*ValidateTokenResponse) ProtoMessage() {}
 
 func (x *ValidateTokenResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_l_ai_core_proto_auth_proto_msgTypes[10]
+	mi := &file_auth_proto_msgTypes[14]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -608,7 +812,7 @@ func (x *ValidateTokenResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ValidateTokenResponse.ProtoReflect.Descriptor instead.
 func (*ValidateTokenResponse) Descriptor() ([]byte, []int) {
-	return file_proto_l_ai_core_proto_auth_proto_rawDescGZIP(), []int{10}
+	return file_auth_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *ValidateTokenResponse) GetValid() bool {
@@ -639,11 +843,12 @@ func (x *ValidateTokenResponse) GetLinkedPlatforms() []string {
 	return nil
 }
 
-var File_proto_l_ai_core_proto_auth_proto protoreflect.FileDescriptor
+var File_auth_proto protoreflect.FileDescriptor
 
-const file_proto_l_ai_core_proto_auth_proto_rawDesc = "" +
+const file_auth_proto_rawDesc = "" +
 	"\n" +
-	" proto/l-ai-core-proto/auth.proto\x12\x04auth\"1\n" +
+	"\n" +
+	"auth.proto\x12\x04auth\"1\n" +
 	"\x14TelegramTokenRequest\x12\x19\n" +
 	"\bid_token\x18\x01 \x01(\tR\aidToken\"\xcb\x01\n" +
 	"\x13TelegramAuthRequest\x12\x0e\n" +
@@ -663,6 +868,20 @@ const file_proto_l_ai_core_proto_auth_proto_rawDesc = "" +
 	"\x16DiscordExchangeRequest\x12\x12\n" +
 	"\x04code\x18\x01 \x01(\tR\x04code\x12\x14\n" +
 	"\x05state\x18\x02 \x01(\tR\x05state\x12!\n" +
+	"\fredirect_uri\x18\x03 \x01(\tR\vredirectUri\";\n" +
+	"\x16GetSteamAuthURLRequest\x12!\n" +
+	"\fredirect_uri\x18\x01 \x01(\tR\vredirectUri\"\xc0\x01\n" +
+	"\x14SteamExchangeRequest\x12\x14\n" +
+	"\x05state\x18\x01 \x01(\tR\x05state\x12Q\n" +
+	"\ropenid_params\x18\x02 \x03(\v2,.auth.SteamExchangeRequest.OpenidParamsEntryR\fopenidParams\x1a?\n" +
+	"\x11OpenidParamsEntry\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
+	"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01\"9\n" +
+	"\x14GetVKOAuthURLRequest\x12!\n" +
+	"\fredirect_uri\x18\x01 \x01(\tR\vredirectUri\"`\n" +
+	"\x11VKExchangeRequest\x12\x12\n" +
+	"\x04code\x18\x01 \x01(\tR\x04code\x12\x14\n" +
+	"\x05state\x18\x02 \x01(\tR\x05state\x12!\n" +
 	"\fredirect_uri\x18\x03 \x01(\tR\vredirectUri\"\xbe\x01\n" +
 	"\fAuthResponse\x12!\n" +
 	"\faccess_token\x18\x01 \x01(\tR\vaccessToken\x12#\n" +
@@ -683,84 +902,102 @@ const file_proto_l_ai_core_proto_auth_proto_rawDesc = "" +
 	"\x05valid\x18\x01 \x01(\bR\x05valid\x12$\n" +
 	"\x0eglobal_user_id\x18\x02 \x01(\x03R\fglobalUserId\x12!\n" +
 	"\fdisplay_name\x18\x03 \x01(\tR\vdisplayName\x12)\n" +
-	"\x10linked_platforms\x18\x04 \x03(\tR\x0flinkedPlatforms2\xfe\x03\n" +
+	"\x10linked_platforms\x18\x04 \x03(\tR\x0flinkedPlatforms2\x91\x06\n" +
 	"\vAuthService\x12A\n" +
 	"\x10AuthWithTelegram\x12\x19.auth.TelegramAuthRequest\x1a\x12.auth.AuthResponse\x12G\n" +
 	"\x15AuthWithTelegramToken\x12\x1a.auth.TelegramTokenRequest\x1a\x12.auth.AuthResponse\x12M\n" +
 	"\x12GetDiscordOAuthURL\x12\x1f.auth.GetDiscordOAuthURLRequest\x1a\x16.auth.OAuthURLResponse\x12G\n" +
-	"\x13ExchangeDiscordCode\x12\x1c.auth.DiscordExchangeRequest\x1a\x12.auth.AuthResponse\x12=\n" +
+	"\x13ExchangeDiscordCode\x12\x1c.auth.DiscordExchangeRequest\x1a\x12.auth.AuthResponse\x12G\n" +
+	"\x0fGetSteamAuthURL\x12\x1c.auth.GetSteamAuthURLRequest\x1a\x16.auth.OAuthURLResponse\x12D\n" +
+	"\x12ExchangeSteamLogin\x12\x1a.auth.SteamExchangeRequest\x1a\x12.auth.AuthResponse\x12C\n" +
+	"\rGetVKOAuthURL\x12\x1a.auth.GetVKOAuthURLRequest\x1a\x16.auth.OAuthURLResponse\x12=\n" +
+	"\x0eExchangeVKCode\x12\x17.auth.VKExchangeRequest\x1a\x12.auth.AuthResponse\x12=\n" +
 	"\fRefreshToken\x12\x19.auth.RefreshTokenRequest\x1a\x12.auth.AuthResponse\x12B\n" +
 	"\vRevokeToken\x12\x18.auth.RevokeTokenRequest\x1a\x19.auth.RevokeTokenResponse\x12H\n" +
 	"\rValidateToken\x12\x1a.auth.ValidateTokenRequest\x1a\x1b.auth.ValidateTokenResponseB(Z&ai_service/proto/l-ai-core-proto;protob\x06proto3"
 
 var (
-	file_proto_l_ai_core_proto_auth_proto_rawDescOnce sync.Once
+	file_auth_proto_rawDescOnce sync.Once
-	file_proto_l_ai_core_proto_auth_proto_rawDescData []byte
+	file_auth_proto_rawDescData []byte
 )
 
-func file_proto_l_ai_core_proto_auth_proto_rawDescGZIP() []byte {
+func file_auth_proto_rawDescGZIP() []byte {
-	file_proto_l_ai_core_proto_auth_proto_rawDescOnce.Do(func() {
+	file_auth_proto_rawDescOnce.Do(func() {
-		file_proto_l_ai_core_proto_auth_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_proto_l_ai_core_proto_auth_proto_rawDesc), len(file_proto_l_ai_core_proto_auth_proto_rawDesc)))
+		file_auth_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_auth_proto_rawDesc), len(file_auth_proto_rawDesc)))
 	})
-	return file_proto_l_ai_core_proto_auth_proto_rawDescData
+	return file_auth_proto_rawDescData
 }
 
-var file_proto_l_ai_core_proto_auth_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
+var file_auth_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
-var file_proto_l_ai_core_proto_auth_proto_goTypes = []any{
+var file_auth_proto_goTypes = []any{
 	(*TelegramTokenRequest)(nil),      // 0: auth.TelegramTokenRequest
 	(*TelegramAuthRequest)(nil),       // 1: auth.TelegramAuthRequest
 	(*GetDiscordOAuthURLRequest)(nil), // 2: auth.GetDiscordOAuthURLRequest
 	(*OAuthURLResponse)(nil),          // 3: auth.OAuthURLResponse
 	(*DiscordExchangeRequest)(nil),    // 4: auth.DiscordExchangeRequest
-	(*AuthResponse)(nil),              // 5: auth.AuthResponse
+	(*GetSteamAuthURLRequest)(nil),    // 5: auth.GetSteamAuthURLRequest
-	(*RefreshTokenRequest)(nil),       // 6: auth.RefreshTokenRequest
+	(*SteamExchangeRequest)(nil),      // 6: auth.SteamExchangeRequest
-	(*RevokeTokenRequest)(nil),        // 7: auth.RevokeTokenRequest
+	(*GetVKOAuthURLRequest)(nil),      // 7: auth.GetVKOAuthURLRequest
-	(*RevokeTokenResponse)(nil),       // 8: auth.RevokeTokenResponse
+	(*VKExchangeRequest)(nil),         // 8: auth.VKExchangeRequest
-	(*ValidateTokenRequest)(nil),      // 9: auth.ValidateTokenRequest
+	(*AuthResponse)(nil),              // 9: auth.AuthResponse
-	(*ValidateTokenResponse)(nil),     // 10: auth.ValidateTokenResponse
+	(*RefreshTokenRequest)(nil),       // 10: auth.RefreshTokenRequest
+	(*RevokeTokenRequest)(nil),        // 11: auth.RevokeTokenRequest
+	(*RevokeTokenResponse)(nil),       // 12: auth.RevokeTokenResponse
+	(*ValidateTokenRequest)(nil),      // 13: auth.ValidateTokenRequest
+	(*ValidateTokenResponse)(nil),     // 14: auth.ValidateTokenResponse
+	nil,                               // 15: auth.SteamExchangeRequest.OpenidParamsEntry
 }
-var file_proto_l_ai_core_proto_auth_proto_depIdxs = []int32{
+var file_auth_proto_depIdxs = []int32{
-	1,  // 0: auth.AuthService.AuthWithTelegram:input_type -> auth.TelegramAuthRequest
+	15, // 0: auth.SteamExchangeRequest.openid_params:type_name -> auth.SteamExchangeRequest.OpenidParamsEntry
-	0,  // 1: auth.AuthService.AuthWithTelegramToken:input_type -> auth.TelegramTokenRequest
+	1,  // 1: auth.AuthService.AuthWithTelegram:input_type -> auth.TelegramAuthRequest
-	2,  // 2: auth.AuthService.GetDiscordOAuthURL:input_type -> auth.GetDiscordOAuthURLRequest
+	0,  // 2: auth.AuthService.AuthWithTelegramToken:input_type -> auth.TelegramTokenRequest
-	4,  // 3: auth.AuthService.ExchangeDiscordCode:input_type -> auth.DiscordExchangeRequest
+	2,  // 3: auth.AuthService.GetDiscordOAuthURL:input_type -> auth.GetDiscordOAuthURLRequest
-	6,  // 4: auth.AuthService.RefreshToken:input_type -> auth.RefreshTokenRequest
+	4,  // 4: auth.AuthService.ExchangeDiscordCode:input_type -> auth.DiscordExchangeRequest
-	7,  // 5: auth.AuthService.RevokeToken:input_type -> auth.RevokeTokenRequest
+	5,  // 5: auth.AuthService.GetSteamAuthURL:input_type -> auth.GetSteamAuthURLRequest
-	9,  // 6: auth.AuthService.ValidateToken:input_type -> auth.ValidateTokenRequest
+	6,  // 6: auth.AuthService.ExchangeSteamLogin:input_type -> auth.SteamExchangeRequest
-	5,  // 7: auth.AuthService.AuthWithTelegram:output_type -> auth.AuthResponse
+	7,  // 7: auth.AuthService.GetVKOAuthURL:input_type -> auth.GetVKOAuthURLRequest
-	5,  // 8: auth.AuthService.AuthWithTelegramToken:output_type -> auth.AuthResponse
+	8,  // 8: auth.AuthService.ExchangeVKCode:input_type -> auth.VKExchangeRequest
-	3,  // 9: auth.AuthService.GetDiscordOAuthURL:output_type -> auth.OAuthURLResponse
+	10, // 9: auth.AuthService.RefreshToken:input_type -> auth.RefreshTokenRequest
-	5,  // 10: auth.AuthService.ExchangeDiscordCode:output_type -> auth.AuthResponse
+	11, // 10: auth.AuthService.RevokeToken:input_type -> auth.RevokeTokenRequest
-	5,  // 11: auth.AuthService.RefreshToken:output_type -> auth.AuthResponse
+	13, // 11: auth.AuthService.ValidateToken:input_type -> auth.ValidateTokenRequest
-	8,  // 12: auth.AuthService.RevokeToken:output_type -> auth.RevokeTokenResponse
+	9,  // 12: auth.AuthService.AuthWithTelegram:output_type -> auth.AuthResponse
-	10, // 13: auth.AuthService.ValidateToken:output_type -> auth.ValidateTokenResponse
+	9,  // 13: auth.AuthService.AuthWithTelegramToken:output_type -> auth.AuthResponse
-	7,  // [7:14] is the sub-list for method output_type
+	3,  // 14: auth.AuthService.GetDiscordOAuthURL:output_type -> auth.OAuthURLResponse
-	0,  // [0:7] is the sub-list for method input_type
+	9,  // 15: auth.AuthService.ExchangeDiscordCode:output_type -> auth.AuthResponse
-	0,  // [0:0] is the sub-list for extension type_name
+	3,  // 16: auth.AuthService.GetSteamAuthURL:output_type -> auth.OAuthURLResponse
-	0,  // [0:0] is the sub-list for extension extendee
+	9,  // 17: auth.AuthService.ExchangeSteamLogin:output_type -> auth.AuthResponse
-	0,  // [0:0] is the sub-list for field type_name
+	3,  // 18: auth.AuthService.GetVKOAuthURL:output_type -> auth.OAuthURLResponse
+	9,  // 19: auth.AuthService.ExchangeVKCode:output_type -> auth.AuthResponse
+	9,  // 20: auth.AuthService.RefreshToken:output_type -> auth.AuthResponse
+	12, // 21: auth.AuthService.RevokeToken:output_type -> auth.RevokeTokenResponse
+	14, // 22: auth.AuthService.ValidateToken:output_type -> auth.ValidateTokenResponse
+	12, // [12:23] is the sub-list for method output_type
+	1,  // [1:12] is the sub-list for method input_type
+	1,  // [1:1] is the sub-list for extension type_name
+	1,  // [1:1] is the sub-list for extension extendee
+	0,  // [0:1] is the sub-list for field type_name
 }
 
-func init() { file_proto_l_ai_core_proto_auth_proto_init() }
+func init() { file_auth_proto_init() }
-func file_proto_l_ai_core_proto_auth_proto_init() {
+func file_auth_proto_init() {
-	if File_proto_l_ai_core_proto_auth_proto != nil {
+	if File_auth_proto != nil {
 		return
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: unsafe.Slice(unsafe.StringData(file_proto_l_ai_core_proto_auth_proto_rawDesc), len(file_proto_l_ai_core_proto_auth_proto_rawDesc)),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_auth_proto_rawDesc), len(file_auth_proto_rawDesc)),
 			NumEnums:      0,
-			NumMessages:   11,
+			NumMessages:   16,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
-		GoTypes:           file_proto_l_ai_core_proto_auth_proto_goTypes,
+		GoTypes:           file_auth_proto_goTypes,
-		DependencyIndexes: file_proto_l_ai_core_proto_auth_proto_depIdxs,
+		DependencyIndexes: file_auth_proto_depIdxs,
-		MessageInfos:      file_proto_l_ai_core_proto_auth_proto_msgTypes,
+		MessageInfos:      file_auth_proto_msgTypes,
 	}.Build()
-	File_proto_l_ai_core_proto_auth_proto = out.File
+	File_auth_proto = out.File
-	file_proto_l_ai_core_proto_auth_proto_goTypes = nil
+	file_auth_proto_goTypes = nil
-	file_proto_l_ai_core_proto_auth_proto_depIdxs = nil
+	file_auth_proto_depIdxs = nil
 }

auth.proto

@@ -19,6 +19,18 @@ service AuthService {
   // Discord OAuth — exchange authorization code for JWT tokens
   rpc ExchangeDiscordCode(DiscordExchangeRequest) returns (AuthResponse);
 
+  // Steam OpenID 2.0 — generate redirect URL (state stored server-side)
+  rpc GetSteamAuthURL(GetSteamAuthURLRequest) returns (OAuthURLResponse);
+
+  // Steam OpenID 2.0 — verify OpenID assertion and return JWT tokens
+  rpc ExchangeSteamLogin(SteamExchangeRequest) returns (AuthResponse);
+
+  // VK OAuth — generate redirect URL (state stored server-side)
+  rpc GetVKOAuthURL(GetVKOAuthURLRequest) returns (OAuthURLResponse);
+
+  // VK OAuth — exchange authorization code for JWT tokens
+  rpc ExchangeVKCode(VKExchangeRequest) returns (AuthResponse);
+
   // Issue new token pair from a valid refresh token
   rpc RefreshToken(RefreshTokenRequest) returns (AuthResponse);
 
@@ -63,6 +75,29 @@ message DiscordExchangeRequest {
   string redirect_uri = 3;
 }
 
+// GetSteamAuthURLRequest — caller provides the redirect_uri for their service
+message GetSteamAuthURLRequest {
+  string redirect_uri = 1;
+}
+
+// SteamExchangeRequest — all OpenID 2.0 params received in the Steam callback
+message SteamExchangeRequest {
+  string              state        = 1;
+  map<string, string> openid_params = 2;
+}
+
+// GetVKOAuthURLRequest — caller provides the redirect_uri for their service
+message GetVKOAuthURLRequest {
+  string redirect_uri = 1;
+}
+
+// VKExchangeRequest — exchange code received in VK callback
+message VKExchangeRequest {
+  string code         = 1;
+  string state        = 2;
+  string redirect_uri = 3;
+}
+
 // AuthResponse is returned after successful authentication
 message AuthResponse {
   string access_token   = 1;

auth_grpc.pb.go

@@ -2,7 +2,7 @@
 // versions:
 // - protoc-gen-go-grpc v1.6.1
 // - protoc             v7.34.0
-// source: proto/l-ai-core-proto/auth.proto
+// source: auth.proto
 
 package proto
 
@@ -23,6 +23,10 @@ const (
 	AuthService_AuthWithTelegramToken_FullMethodName = "/auth.AuthService/AuthWithTelegramToken"
 	AuthService_GetDiscordOAuthURL_FullMethodName    = "/auth.AuthService/GetDiscordOAuthURL"
 	AuthService_ExchangeDiscordCode_FullMethodName   = "/auth.AuthService/ExchangeDiscordCode"
+	AuthService_GetSteamAuthURL_FullMethodName       = "/auth.AuthService/GetSteamAuthURL"
+	AuthService_ExchangeSteamLogin_FullMethodName    = "/auth.AuthService/ExchangeSteamLogin"
+	AuthService_GetVKOAuthURL_FullMethodName         = "/auth.AuthService/GetVKOAuthURL"
+	AuthService_ExchangeVKCode_FullMethodName        = "/auth.AuthService/ExchangeVKCode"
 	AuthService_RefreshToken_FullMethodName          = "/auth.AuthService/RefreshToken"
 	AuthService_RevokeToken_FullMethodName           = "/auth.AuthService/RevokeToken"
 	AuthService_ValidateToken_FullMethodName         = "/auth.AuthService/ValidateToken"
@@ -43,6 +47,14 @@ type AuthServiceClient interface {
 	GetDiscordOAuthURL(ctx context.Context, in *GetDiscordOAuthURLRequest, opts ...grpc.CallOption) (*OAuthURLResponse, error)
 	// Discord OAuth — exchange authorization code for JWT tokens
 	ExchangeDiscordCode(ctx context.Context, in *DiscordExchangeRequest, opts ...grpc.CallOption) (*AuthResponse, error)
+	// Steam OpenID 2.0 — generate redirect URL (state stored server-side)
+	GetSteamAuthURL(ctx context.Context, in *GetSteamAuthURLRequest, opts ...grpc.CallOption) (*OAuthURLResponse, error)
+	// Steam OpenID 2.0 — verify OpenID assertion and return JWT tokens
+	ExchangeSteamLogin(ctx context.Context, in *SteamExchangeRequest, opts ...grpc.CallOption) (*AuthResponse, error)
+	// VK OAuth — generate redirect URL (state stored server-side)
+	GetVKOAuthURL(ctx context.Context, in *GetVKOAuthURLRequest, opts ...grpc.CallOption) (*OAuthURLResponse, error)
+	// VK OAuth — exchange authorization code for JWT tokens
+	ExchangeVKCode(ctx context.Context, in *VKExchangeRequest, opts ...grpc.CallOption) (*AuthResponse, error)
 	// Issue new token pair from a valid refresh token
 	RefreshToken(ctx context.Context, in *RefreshTokenRequest, opts ...grpc.CallOption) (*AuthResponse, error)
 	// Revoke a token (add to blacklist)
@@ -99,6 +111,46 @@ func (c *authServiceClient) ExchangeDiscordCode(ctx context.Context, in *Discord
 	return out, nil
 }
 
+func (c *authServiceClient) GetSteamAuthURL(ctx context.Context, in *GetSteamAuthURLRequest, opts ...grpc.CallOption) (*OAuthURLResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(OAuthURLResponse)
+	err := c.cc.Invoke(ctx, AuthService_GetSteamAuthURL_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *authServiceClient) ExchangeSteamLogin(ctx context.Context, in *SteamExchangeRequest, opts ...grpc.CallOption) (*AuthResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(AuthResponse)
+	err := c.cc.Invoke(ctx, AuthService_ExchangeSteamLogin_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *authServiceClient) GetVKOAuthURL(ctx context.Context, in *GetVKOAuthURLRequest, opts ...grpc.CallOption) (*OAuthURLResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(OAuthURLResponse)
+	err := c.cc.Invoke(ctx, AuthService_GetVKOAuthURL_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *authServiceClient) ExchangeVKCode(ctx context.Context, in *VKExchangeRequest, opts ...grpc.CallOption) (*AuthResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(AuthResponse)
+	err := c.cc.Invoke(ctx, AuthService_ExchangeVKCode_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *authServiceClient) RefreshToken(ctx context.Context, in *RefreshTokenRequest, opts ...grpc.CallOption) (*AuthResponse, error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
 	out := new(AuthResponse)
@@ -144,6 +196,14 @@ type AuthServiceServer interface {
 	GetDiscordOAuthURL(context.Context, *GetDiscordOAuthURLRequest) (*OAuthURLResponse, error)
 	// Discord OAuth — exchange authorization code for JWT tokens
 	ExchangeDiscordCode(context.Context, *DiscordExchangeRequest) (*AuthResponse, error)
+	// Steam OpenID 2.0 — generate redirect URL (state stored server-side)
+	GetSteamAuthURL(context.Context, *GetSteamAuthURLRequest) (*OAuthURLResponse, error)
+	// Steam OpenID 2.0 — verify OpenID assertion and return JWT tokens
+	ExchangeSteamLogin(context.Context, *SteamExchangeRequest) (*AuthResponse, error)
+	// VK OAuth — generate redirect URL (state stored server-side)
+	GetVKOAuthURL(context.Context, *GetVKOAuthURLRequest) (*OAuthURLResponse, error)
+	// VK OAuth — exchange authorization code for JWT tokens
+	ExchangeVKCode(context.Context, *VKExchangeRequest) (*AuthResponse, error)
 	// Issue new token pair from a valid refresh token
 	RefreshToken(context.Context, *RefreshTokenRequest) (*AuthResponse, error)
 	// Revoke a token (add to blacklist)
@@ -172,6 +232,18 @@ func (UnimplementedAuthServiceServer) GetDiscordOAuthURL(context.Context, *GetDi
 func (UnimplementedAuthServiceServer) ExchangeDiscordCode(context.Context, *DiscordExchangeRequest) (*AuthResponse, error) {
 	return nil, status.Error(codes.Unimplemented, "method ExchangeDiscordCode not implemented")
 }
+func (UnimplementedAuthServiceServer) GetSteamAuthURL(context.Context, *GetSteamAuthURLRequest) (*OAuthURLResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method GetSteamAuthURL not implemented")
+}
+func (UnimplementedAuthServiceServer) ExchangeSteamLogin(context.Context, *SteamExchangeRequest) (*AuthResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method ExchangeSteamLogin not implemented")
+}
+func (UnimplementedAuthServiceServer) GetVKOAuthURL(context.Context, *GetVKOAuthURLRequest) (*OAuthURLResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method GetVKOAuthURL not implemented")
+}
+func (UnimplementedAuthServiceServer) ExchangeVKCode(context.Context, *VKExchangeRequest) (*AuthResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method ExchangeVKCode not implemented")
+}
 func (UnimplementedAuthServiceServer) RefreshToken(context.Context, *RefreshTokenRequest) (*AuthResponse, error) {
 	return nil, status.Error(codes.Unimplemented, "method RefreshToken not implemented")
 }
@@ -274,6 +346,78 @@ func _AuthService_ExchangeDiscordCode_Handler(srv interface{}, ctx context.Conte
 	return interceptor(ctx, in, info, handler)
 }
 
+func _AuthService_GetSteamAuthURL_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetSteamAuthURLRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(AuthServiceServer).GetSteamAuthURL(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: AuthService_GetSteamAuthURL_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(AuthServiceServer).GetSteamAuthURL(ctx, req.(*GetSteamAuthURLRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _AuthService_ExchangeSteamLogin_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SteamExchangeRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(AuthServiceServer).ExchangeSteamLogin(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: AuthService_ExchangeSteamLogin_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(AuthServiceServer).ExchangeSteamLogin(ctx, req.(*SteamExchangeRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _AuthService_GetVKOAuthURL_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetVKOAuthURLRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(AuthServiceServer).GetVKOAuthURL(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: AuthService_GetVKOAuthURL_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(AuthServiceServer).GetVKOAuthURL(ctx, req.(*GetVKOAuthURLRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _AuthService_ExchangeVKCode_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VKExchangeRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(AuthServiceServer).ExchangeVKCode(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: AuthService_ExchangeVKCode_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(AuthServiceServer).ExchangeVKCode(ctx, req.(*VKExchangeRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _AuthService_RefreshToken_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(RefreshTokenRequest)
 	if err := dec(in); err != nil {
@@ -351,6 +495,22 @@ var AuthService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "ExchangeDiscordCode",
 			Handler:    _AuthService_ExchangeDiscordCode_Handler,
 		},
+		{
+			MethodName: "GetSteamAuthURL",
+			Handler:    _AuthService_GetSteamAuthURL_Handler,
+		},
+		{
+			MethodName: "ExchangeSteamLogin",
+			Handler:    _AuthService_ExchangeSteamLogin_Handler,
+		},
+		{
+			MethodName: "GetVKOAuthURL",
+			Handler:    _AuthService_GetVKOAuthURL_Handler,
+		},
+		{
+			MethodName: "ExchangeVKCode",
+			Handler:    _AuthService_ExchangeVKCode_Handler,
+		},
 		{
 			MethodName: "RefreshToken",
 			Handler:    _AuthService_RefreshToken_Handler,
@@ -365,5 +525,5 @@ var AuthService_ServiceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: "proto/l-ai-core-proto/auth.proto",
+	Metadata: "auth.proto",
 }