welcome update

api/proto/chat/v1/chat.proto

@@ -8,11 +8,20 @@ import "google/api/annotations.proto";
 import "google/protobuf/timestamp.proto";
 import "common/v1/types.proto";
 
+message UploadAttachment {
+  string filename = 1;
+  string content_type = 2;
+  bytes data = 3;
+  int32 width = 4;
+  int32 height = 5;
+}
+
 message SendMessageRequest {
   string room_id = 1;
   string content = 2;
   string reply_to_id = 3;
   repeated string mention_user_ids = 4;
+  repeated UploadAttachment attachments = 5;
 }
 
 message SendMessageResponse {
@@ -115,6 +124,17 @@ message SearchMessagesResponse {
   bool has_more = 2;
 }
 
+message ListMessagesSinceRequest {
+  string room_id = 1;
+  string after_message_id = 2;
+  int32 limit = 3;
+}
+
+message ListMessagesSinceResponse {
+  repeated concord.common.v1.Message messages = 1;
+  bool has_more = 2;
+}
+
 message MarkAsReadRequest {
   string room_id = 1;
   string message_id = 2;
@@ -226,6 +246,12 @@ service ChatService {
     };
   }
 
+  rpc ListMessagesSince(ListMessagesSinceRequest) returns (ListMessagesSinceResponse) {
+      option (google.api.http) = {
+        get: "/v1/rooms/{room_id}/messages/since/{after_message_id}"
+      };
+    }
+
   rpc MarkAsRead(MarkAsReadRequest) returns (MarkAsReadResponse) {
     option (google.api.http) = {
       post: "/v1/rooms/{room_id}/read"

api/proto/common/v1/types.proto

@@ -22,6 +22,7 @@ message User {
   string status = 6;
   string bio = 7;
   string avatar_thumbnail_url = 8;
+  string status_preference = 9;
 }
 
 message AvatarEntry {

api/proto/dm/v1/dm.proto

@@ -80,10 +80,19 @@ message ListDMChannelsResponse {
   int32 total_unread = 3;
 }
 
+message SendDMAttachment {
+  string filename = 1;
+  string content_type = 2;
+  bytes data = 3;
+  int32 width = 4;
+  int32 height = 5;
+}
+
 message SendDMRequest {
   string channel_id = 1;
   string content = 2;
   string reply_to_id = 3;
+  repeated SendDMAttachment attachments = 4;
 }
 
 message SendDMResponse {

api/proto/unfurl/v1/unfurl.proto

@@ -0,0 +1,28 @@
+syntax = "proto3";
+
+package concord.unfurl.v1;
+
+option go_package = "github.com/Alexander-D-Karpov/concord/api/gen/go/unfurl/v1;unfurlv1";
+
+import "google/api/annotations.proto";
+
+message UnfurlRequest {
+  string url = 1;
+}
+
+message UnfurlResponse {
+  string url = 1;
+  string title = 2;
+  string description = 3;
+  string image = 4;
+  string site_name = 5;
+  string favicon = 6;
+}
+
+service UnfurlService {
+  rpc Unfurl(UnfurlRequest) returns (UnfurlResponse) {
+    option (google.api.http) = {
+      get: "/v1/unfurl"
+    };
+  }
+}

cmd/concord-api/main.go

@@ -11,10 +11,12 @@ import (
 	"syscall"
 	"time"
 
+	unfurlv1 "github.com/Alexander-D-Karpov/concord/api/gen/go/unfurl/v1"
 	"github.com/Alexander-D-Karpov/concord/internal/readtracking"
 	"github.com/Alexander-D-Karpov/concord/internal/security"
 	"github.com/Alexander-D-Karpov/concord/internal/swagger"
 	"github.com/Alexander-D-Karpov/concord/internal/typing"
+	"github.com/Alexander-D-Karpov/concord/internal/unfurl"
 	"github.com/Alexander-D-Karpov/concord/internal/version"
 	"github.com/joho/godotenv"
 	"go.uber.org/zap"
@@ -115,10 +117,6 @@ func run() error {
 	}
 	logger.Info("migrations applied successfully")
 
-	if _, err := database.Pool.Exec(ctx, `UPDATE users SET status = 'offline'`); err != nil {
-		logger.Warn("failed to reset user statuses", zap.Error(err))
-	}
-
 	var cacheClient *cache.Cache
 	if cfg.Redis.Enabled {
 		cacheClient, err = cache.New(
@@ -173,10 +171,11 @@ func run() error {
 			cfg.RateLimit.RequestsPerMinute,
 			cfg.RateLimit.Burst,
 			true,
+			cfg.RateLimit.BypassToken,
 		)
 		logger.Info("rate limiting enabled")
 	} else {
-		rateLimiter = ratelimit.NewLimiter(nil, 500, 100, false)
+		rateLimiter = ratelimit.NewLimiter(nil, 500, 100, false, cfg.RateLimit.BypassToken)
 	}
 	rateLimitInterceptor := ratelimit.NewInterceptor(rateLimiter)
 
@@ -192,9 +191,13 @@ func run() error {
 	if cacheClient != nil {
 		usersRepo = users.NewRepositoryWithCache(database.Pool, cacheClient)
 	}
+
 	eventsHub := events.NewHub(logger, database.Pool, aside)
 
-	usersService := users.NewService(usersRepo, eventsHub, cfg.Storage.Path, cfg.Storage.URL)
+	presenceManager := users.NewPresenceManager(usersRepo, eventsHub)
+	defer presenceManager.Stop()
+
+	usersService := users.NewService(usersRepo, eventsHub, presenceManager, cfg.Storage.Path, cfg.Storage.URL)
 	usersHandler := users.NewHandler(usersService)
 
 	roomsRepo := rooms.NewRepository(database.Pool)
@@ -217,9 +220,6 @@ func run() error {
 	membershipService := membership.NewService(roomsRepo, eventsHub, aside)
 	membershipHandler := membership.NewHandler(membershipService)
 
-	presenceManager := users.NewPresenceManager(usersRepo, eventsHub)
-	defer presenceManager.Stop()
-
 	streamHandler := stream.NewHandler(eventsHub, presenceManager)
 
 	voiceAssignService := voiceassign.NewService(database.Pool, jwtManager, cacheClient)
@@ -231,7 +231,7 @@ func run() error {
 	if cacheClient != nil {
 		friendsRepo = friends.NewRepositoryWithCache(database.Pool, cacheClient)
 	}
-	friendsService := friends.NewService(friendsRepo, eventsHub, usersRepo)
+	friendsService := friends.NewService(friendsRepo, eventsHub, usersRepo, presenceManager)
 	friendsHandler := friends.NewHandler(friendsService)
 
 	adminService := admin.NewService(database.Pool, roomsRepo, eventsHub, logger)
@@ -239,11 +239,14 @@ func run() error {
 
 	dmRepo := dm.NewRepository(database.Pool)
 	dmMsgRepo := dm.NewMessageRepository(database.Pool, snowflakeGen)
-	dmService := dm.NewService(dmRepo, dmMsgRepo, usersRepo, eventsHub, voiceAssignService, logger)
+	dmService := dm.NewService(dmRepo, dmMsgRepo, usersRepo, eventsHub, voiceAssignService, presenceManager, logger)
 	dmHandler := dm.NewHandler(dmService, storageService)
 	dmHandler.SetReadTrackingService(readTrackingSvc)
 	dmHandler.SetTypingService(typingSvc)
 
+	unfurlService := unfurl.NewService(cacheClient)
+	unfurlHandler := unfurl.NewHandler(unfurlService)
+
 	var oauthManager *oauth.Manager
 	if len(cfg.Auth.OAuth) > 0 {
 		oauthManager = oauth.NewManager(cfg.Auth)
@@ -311,6 +314,7 @@ func run() error {
 	friendsv1.RegisterFriendsServiceServer(grpcServer, friendsHandler)
 	adminv1.RegisterAdminServiceServer(grpcServer, adminHandler)
 	dmv1.RegisterDMServiceServer(grpcServer, dmHandler)
+	unfurlv1.RegisterUnfurlServiceServer(grpcServer, unfurlHandler)
 	reflection.Register(grpcServer)
 
 	listener, err := net.Listen("tcp", fmt.Sprintf(":%d", cfg.Server.GRPCPort))

cmd/concord-voice/main.go

@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"github.com/Alexander-D-Karpov/concord/internal/version"
+	"github.com/Alexander-D-Karpov/concord/internal/voice/status"
 	"github.com/joho/godotenv"
 	"go.uber.org/zap"
 
@@ -80,13 +81,12 @@ func run() error {
 	sessionManager := session.NewManager()
 	roomManager := room.NewManager()
 
-	// Router needs access to both session and room state
-	voiceRouter := router.NewRouter(sessionManager, logger)
-
 	// Metrics and health
 	metrics := telemetry.NewMetrics(logger)
 	telemetryLogger := telemetry.NewLogger(logger)
 
+	voiceRouter := router.NewRouter(sessionManager, logger, metrics)
+
 	healthServer := health.NewServer(logger)
 	healthServer.RegisterCheck("sessions", func(ctx context.Context) error {
 		sessions := sessionManager.GetAllSessions()
@@ -147,6 +147,14 @@ func run() error {
 	)
 	netinfo.PrintAccessBanner(advertised, "Concord Voice Server")
 
+	statusSrv := status.NewServer(sessionManager, jwtManager, metrics, logger)
+	go func() {
+		err := statusSrv.Start(ctx, cfg.Voice.StatusPort)
+		if err != nil {
+			logger.Error("status server error", zap.Error(err))
+		}
+	}()
+
 	var registrar *discovery.Registrar
 	if cfg.Voice.RegistryURL != "" {
 		publicAddr := advertised.PublicHost

go.work.sum

@@ -0,0 +1,60 @@
+cel.dev/expr v0.24.0 h1:56OvJKSH3hDGL0ml5uSxZmz3/3Pq4tJ+fb1unVLAFcY=
+cel.dev/expr v0.24.0/go.mod h1:hLPLo1W4QUmuYdA72RBX06QTs6MXw941piREPl3Yfiw=
+cloud.google.com/go/compute/metadata v0.7.0 h1:PBWF+iiAerVNe8UCHxdOt6eHLVc3ydFeOCw78U8ytSU=
+cloud.google.com/go/compute/metadata v0.7.0/go.mod h1:j5MvL9PprKL39t166CoB1uVHfQMs4tFQZZcKwksXUjo=
+github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.29.0 h1:UQUsRi8WTzhZntp5313l+CHIAT95ojUI2lpP/ExlZa4=
+github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.29.0/go.mod h1:Cz6ft6Dkn3Et6l2v2a9/RpN7epQ1GtDlO6lj8bEcOvw=
+github.com/alecthomas/kingpin/v2 v2.4.0 h1:f48lwail6p8zpO1bC4TxtqACaGqHYA22qkHjHpqDjYY=
+github.com/alecthomas/kingpin/v2 v2.4.0/go.mod h1:0gyi0zQnjuFk8xrkNKamJoyUo382HRL7ATRpFZCw6tE=
+github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 h1:s6gZFSlWYmbqAuRjVTiNNhvNRfY2Wxp9nhfyel4rklc=
+github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE=
+github.com/antihax/optional v1.0.0 h1:xK2lYat7ZLaVVcIuj82J8kIro4V6kDe0AUDFboUCwcg=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/cncf/xds/go v0.0.0-20250501225837-2ac532fd4443 h1:aQ3y1lwWyqYPiWZThqv1aFbZMiM9vblcSArJRf2Irls=
+github.com/cncf/xds/go v0.0.0-20250501225837-2ac532fd4443/go.mod h1:W+zGtBO5Y1IgJhy4+A9GOqVhqLpfZi+vwmdNXUehLA8=
+github.com/envoyproxy/go-control-plane v0.13.4 h1:zEqyPVyku6IvWCFwux4x9RxkLOMUL+1vC9xUFv5l2/M=
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internal/chat/handlers.go

@@ -33,8 +33,8 @@ func NewHandler(service *Service, storage *storage.Storage, readTrackingSvc *rea
 }
 
 func (h *Handler) SendMessage(ctx context.Context, req *chatv1.SendMessageRequest) (*chatv1.SendMessageResponse, error) {
-	if req.RoomId == "" || req.Content == "" {
-		return nil, errors.ToGRPCError(errors.BadRequest("room_id and content are required"))
+	if req.RoomId == "" || (req.Content == "" && len(req.Attachments) == 0) {
+		return nil, errors.ToGRPCError(errors.BadRequest("room_id and content or attachments are required"))
 	}
 
 	var replyToID *int64
@@ -55,7 +55,36 @@ func (h *Handler) SendMessage(ctx context.Context, req *chatv1.SendMessageReques
 		mentionIDs = append(mentionIDs, uid)
 	}
 
-	msg, err := h.service.SendMessage(ctx, req.RoomId, req.Content, replyToID, mentionIDs)
+	var attachments []Attachment
+	for _, att := range req.Attachments {
+		if len(att.Data) == 0 {
+			continue
+		}
+
+		fileInfo, err := h.storage.Store(ctx, att.Data, att.Filename, att.ContentType)
+		if err != nil {
+			return nil, errors.ToGRPCError(errors.BadRequest("failed to store attachment: " + err.Error()))
+		}
+
+		width := int(att.Width)
+		height := int(att.Height)
+		if fileInfo.Width > 0 {
+			width = fileInfo.Width
+			height = fileInfo.Height
+		}
+
+		attachments = append(attachments, Attachment{
+			ID:          uuid.MustParse(fileInfo.ID),
+			URL:         fileInfo.URL,
+			Filename:    att.Filename,
+			ContentType: fileInfo.ContentType,
+			Size:        fileInfo.Size,
+			Width:       width,
+			Height:      height,
+		})
+	}
+
+	msg, err := h.service.SendMessage(ctx, req.RoomId, req.Content, replyToID, mentionIDs, attachments)
 	if err != nil {
 		return nil, errors.ToGRPCError(err)
 	}
@@ -65,6 +94,37 @@ func (h *Handler) SendMessage(ctx context.Context, req *chatv1.SendMessageReques
 	}, nil
 }
 
+func (h *Handler) ListMessagesSince(ctx context.Context, req *chatv1.ListMessagesSinceRequest) (*chatv1.ListMessagesSinceResponse, error) {
+	if req.RoomId == "" || req.AfterMessageId == "" {
+		return nil, errors.ToGRPCError(errors.BadRequest("room_id and after_message_id are required"))
+	}
+
+	afterID, err := strconv.ParseInt(req.AfterMessageId, 10, 64)
+	if err != nil {
+		return nil, errors.ToGRPCError(errors.BadRequest("invalid after_message_id"))
+	}
+
+	limit := int(req.Limit)
+	if limit <= 0 || limit > 200 {
+		limit = 100
+	}
+
+	messages, hasMore, err := h.service.ListMessages(ctx, req.RoomId, nil, &afterID, limit)
+	if err != nil {
+		return nil, errors.ToGRPCError(err)
+	}
+
+	protoMessages := make([]*commonv1.Message, len(messages))
+	for i, msg := range messages {
+		protoMessages[i] = toProtoMessage(msg)
+	}
+
+	return &chatv1.ListMessagesSinceResponse{
+		Messages: protoMessages,
+		HasMore:  hasMore,
+	}, nil
+}
+
 func (h *Handler) EditMessage(ctx context.Context, req *chatv1.EditMessageRequest) (*chatv1.EditMessageResponse, error) {
 	if req.RoomId == "" || req.MessageId == "" || req.Content == "" {
 		return nil, errors.ToGRPCError(errors.BadRequest("room_id, message_id and content are required"))

internal/chat/service.go

@@ -73,7 +73,7 @@ func (s *Service) isMember(ctx context.Context, roomID, userID uuid.UUID) (bool,
 	return true, nil
 }
 
-func (s *Service) SendMessage(ctx context.Context, roomID, content string, replyToID *int64, mentionIDs []uuid.UUID) (*Message, error) {
+func (s *Service) SendMessage(ctx context.Context, roomID, content string, replyToID *int64, mentionIDs []uuid.UUID, attachments []Attachment) (*Message, error) {
 	userID := interceptor.GetUserID(ctx)
 	if userID == "" {
 		return nil, errors.Unauthorized("user not authenticated")
@@ -102,9 +102,10 @@ func (s *Service) SendMessage(ctx context.Context, roomID, content string, reply
 	}
 
 	msg := &Message{
-		RoomID:   roomUUID,
-		AuthorID: authorUUID,
-		Content:  content,
+		RoomID:      roomUUID,
+		AuthorID:    authorUUID,
+		Content:     content,
+		Attachments: attachments,
 	}
 
 	if replyToID != nil {
@@ -139,19 +140,34 @@ func (s *Service) SendMessage(ctx context.Context, roomID, content string, reply
 	}
 
 	if s.hub != nil {
+		var protoAttachments []*commonv1.MessageAttachment
+		for _, att := range msg.Attachments {
+			protoAttachments = append(protoAttachments, &commonv1.MessageAttachment{
+				Id:          att.ID.String(),
+				Url:         att.URL,
+				Filename:    att.Filename,
+				ContentType: att.ContentType,
+				Size:        att.Size,
+				Width:       int32(att.Width),
+				Height:      int32(att.Height),
+				CreatedAt:   timestamppb.New(att.CreatedAt),
+			})
+		}
+
 		event := &streamv1.ServerEvent{
 			EventId:   uuid.New().String(),
 			CreatedAt: timestamppb.Now(),
 			Payload: &streamv1.ServerEvent_MessageCreated{
 				MessageCreated: &streamv1.MessageCreated{
 					Message: &commonv1.Message{
-						Id:        strconv.FormatInt(msg.ID, 10),
-						RoomId:    msg.RoomID.String(),
-						AuthorId:  msg.AuthorID.String(),
-						Content:   msg.Content,
-						CreatedAt: timestamppb.New(msg.CreatedAt),
-						ReplyToId: replyToIDStr,
-						Mentions:  mentionStrings,
+						Id:          strconv.FormatInt(msg.ID, 10),
+						RoomId:      msg.RoomID.String(),
+						AuthorId:    msg.AuthorID.String(),
+						Content:     msg.Content,
+						CreatedAt:   timestamppb.New(msg.CreatedAt),
+						ReplyToId:   replyToIDStr,
+						Mentions:    mentionStrings,
+						Attachments: protoAttachments,
 					},
 				},
 			},

internal/common/config/config.go

@@ -70,6 +70,7 @@ type VoiceConfig struct {
 	Secret       string
 	RegistryURL  string
 	PublicHost   string
+	StatusPort   int
 }
 
 type LoggingConfig struct {
@@ -97,6 +98,7 @@ type RateLimitConfig struct {
 	Enabled           bool
 	RequestsPerMinute int
 	Burst             int
+	BypassToken       string
 }
 
 type EmailConfig struct {
@@ -150,6 +152,7 @@ func Load() (*Config, error) {
 			Secret:       getEnv("VOICE_SECRET", "change-me-voice-server-secret"),
 			RegistryURL:  getEnv("REGISTRY_URL", "localhost:9090"),
 			PublicHost:   getEnv("VOICE_PUBLIC_HOST", "localhost"),
+			StatusPort:   getEnvInt("VOICE_STATUS_PORT", 9092),
 		},
 		Logging: LoggingConfig{
 			Level:      getEnv("LOG_LEVEL", "info"),
@@ -169,6 +172,7 @@ func Load() (*Config, error) {
 			Enabled:           getEnvBool("RATE_LIMIT_ENABLED", true),
 			RequestsPerMinute: getEnvInt("RATE_LIMIT_REQUESTS_PER_MINUTE", 60),
 			Burst:             getEnvInt("RATE_LIMIT_BURST", 10),
+			BypassToken:       getEnv("RATE_LIMIT_BYPASS_TOKEN", ""),
 		},
 		Storage: StorageConfig{
 			Path: getEnv("STORAGE_PATH", "./uploads"),

internal/dm/handler.go

@@ -103,11 +103,40 @@ func (h *Handler) SendDM(ctx context.Context, req *dmv1.SendDMRequest) (*dmv1.Se
 	if req.ChannelId == "" {
 		return nil, errors.ToGRPCError(errors.BadRequest("channel_id is required"))
 	}
-	if req.Content == "" {
-		return nil, errors.ToGRPCError(errors.BadRequest("content is required"))
+	if req.Content == "" && len(req.Attachments) == 0 {
+		return nil, errors.ToGRPCError(errors.BadRequest("content or attachments are required"))
 	}
 
-	msg, err := h.service.SendMessage(ctx, req.ChannelId, req.Content, req.ReplyToId, nil, nil)
+	var attachments []DMAttachment
+	for _, att := range req.Attachments {
+		if len(att.Data) == 0 {
+			continue
+		}
+
+		fileInfo, err := h.storage.Store(ctx, att.Data, att.Filename, att.ContentType)
+		if err != nil {
+			return nil, errors.ToGRPCError(errors.BadRequest("failed to store attachment: " + err.Error()))
+		}
+
+		width := int(att.Width)
+		height := int(att.Height)
+		if fileInfo.Width > 0 {
+			width = fileInfo.Width
+			height = fileInfo.Height
+		}
+
+		attachments = append(attachments, DMAttachment{
+			ID:          uuid.MustParse(fileInfo.ID),
+			URL:         fileInfo.URL,
+			Filename:    att.Filename,
+			ContentType: fileInfo.ContentType,
+			Size:        fileInfo.Size,
+			Width:       width,
+			Height:      height,
+		})
+	}
+
+	msg, err := h.service.SendMessage(ctx, req.ChannelId, req.Content, req.ReplyToId, attachments, nil)
 	if err != nil {
 		return nil, errors.ToGRPCError(err)
 	}

internal/dm/service.go

@@ -22,20 +22,44 @@ type Service struct {
 	usersRepo   *users.Repository
 	hub         *events.Hub
 	voiceAssign *voiceassign.Service
+	presence    *users.PresenceManager
 	logger      *zap.Logger
 }
 
-func NewService(repo *Repository, msgRepo *MessageRepository, usersRepo *users.Repository, hub *events.Hub, voiceAssign *voiceassign.Service, logger *zap.Logger) *Service {
+func NewService(
+	repo *Repository,
+	msgRepo *MessageRepository,
+	usersRepo *users.Repository,
+	hub *events.Hub,
+	voiceAssign *voiceassign.Service,
+	presence *users.PresenceManager,
+	logger *zap.Logger,
+) *Service {
 	return &Service{
 		repo:        repo,
 		msgRepo:     msgRepo,
 		usersRepo:   usersRepo,
 		hub:         hub,
 		voiceAssign: voiceAssign,
+		presence:    presence,
 		logger:      logger,
 	}
 }
 
+func (s *Service) decorateChannelStatuses(channels []*DMChannelWithUser) {
+	for _, ch := range channels {
+		presence := users.StatusOffline
+		if s.presence != nil {
+			presence = s.presence.GetStatus(ch.OtherUserID)
+		}
+
+		ch.OtherUserStatus = users.EffectiveStatus(
+			users.NormalizeStatusPreference(ch.OtherUserStatus),
+			presence,
+		)
+	}
+}
+
 func (s *Service) GetOrCreateDM(ctx context.Context, otherUserID string) (*DMChannel, error) {
 	userID := interceptor.GetUserID(ctx)
 	if userID == "" {
@@ -80,7 +104,13 @@ func (s *Service) ListDMs(ctx context.Context) ([]*DMChannelWithUser, error) {
 		return nil, errors.BadRequest("invalid user id")
 	}
 
-	return s.repo.ListByUser(ctx, userUUID)
+	channels, err := s.repo.ListByUser(ctx, userUUID)
+	if err != nil {
+		return nil, err
+	}
+
+	s.decorateChannelStatuses(channels)
+	return channels, nil
 }
 
 func (s *Service) CloseDM(ctx context.Context, channelID string) error {

internal/friends/repository.go

@@ -99,8 +99,9 @@ func (r *Repository) CreateFriendRequest(ctx context.Context, fromUserID, toUser
 	query := `
 		INSERT INTO friend_requests (id, from_user_id, to_user_id, status)
 		VALUES ($1, $2, $3, $4)
-		ON CONFLICT (from_user_id, to_user_id) DO UPDATE SET status = 'pending', updated_at = NOW()
-		RETURNING created_at, updated_at
+		ON CONFLICT (from_user_id, to_user_id)
+		DO UPDATE SET status = 'pending', updated_at = NOW()
+		RETURNING id, created_at, updated_at
 	`
 
 	err := r.pool.QueryRow(ctx, query,
@@ -108,7 +109,7 @@ func (r *Repository) CreateFriendRequest(ctx context.Context, fromUserID, toUser
 		req.FromUserID,
 		req.ToUserID,
 		req.Status,
-	).Scan(&req.CreatedAt, &req.UpdatedAt)
+	).Scan(&req.ID, &req.CreatedAt, &req.UpdatedAt)
 
 	if err != nil {
 		return nil, err

internal/gateway/gateway.go

@@ -13,6 +13,7 @@ import (
 	friendsv1 "github.com/Alexander-D-Karpov/concord/api/gen/go/friends/v1"
 	membershipv1 "github.com/Alexander-D-Karpov/concord/api/gen/go/membership/v1"
 	roomsv1 "github.com/Alexander-D-Karpov/concord/api/gen/go/rooms/v1"
+	unfurlv1 "github.com/Alexander-D-Karpov/concord/api/gen/go/unfurl/v1"
 	usersv1 "github.com/Alexander-D-Karpov/concord/api/gen/go/users/v1"
 	"github.com/Alexander-D-Karpov/concord/internal/middleware"
 	"github.com/Alexander-D-Karpov/concord/internal/version"
@@ -62,6 +63,7 @@ func (g *Gateway) Init(ctx context.Context) error {
 		callv1.RegisterCallServiceHandlerFromEndpoint,
 		friendsv1.RegisterFriendsServiceHandlerFromEndpoint,
 		dmv1.RegisterDMServiceHandlerFromEndpoint,
+		unfurlv1.RegisterUnfurlServiceHandlerFromEndpoint,
 	}
 
 	for _, register := range handlers {
@@ -122,7 +124,7 @@ func (g *Gateway) Start(ctx context.Context, port int) error {
 
 func customMatcher(key string) (string, bool) {
 	switch key {
-	case "authorization", "x-request-id", "x-correlation-id", "grpc-timeout":
+	case "authorization", "x-request-id", "x-correlation-id", "grpc-timeout", "x-concord-ratelimit-bypass":
 		return key, true
 	default:
 		return runtime.DefaultHeaderMatcher(key)

internal/infra/migrations/012_fts_improvements.sql

@@ -0,0 +1,13 @@
+DROP INDEX IF EXISTS idx_messages_content_search;
+
+CREATE INDEX IF NOT EXISTS idx_messages_fts
+    ON messages USING gin(to_tsvector('simple', content))
+    WHERE deleted_at IS NULL;
+
+DROP INDEX IF EXISTS idx_dm_messages_content_search;
+
+CREATE INDEX IF NOT EXISTS idx_dm_messages_fts
+    ON dm_messages USING gin(to_tsvector('simple', content))
+    WHERE deleted_at IS NULL;
+
+CREATE INDEX IF NOT EXISTS idx_users_handle_lower ON users(lower(handle));

internal/ratelimit/interceptor.go

@@ -11,6 +11,8 @@ import (
 	"google.golang.org/grpc/status"
 )
 
+const BypassMetadataKey = "x-concord-ratelimit-bypass"
+
 type Interceptor struct {
 	limiter *Limiter
 }
@@ -26,6 +28,10 @@ func (i *Interceptor) Unary() grpc.UnaryServerInterceptor {
 		info *grpc.UnaryServerInfo,
 		handler grpc.UnaryHandler,
 	) (interface{}, error) {
+		if i.limiter.ShouldBypass(ctx) {
+			return handler(ctx, req)
+		}
+
 		key := i.getKey(ctx, info.FullMethod)
 
 		allowed, err := i.limiter.Allow(ctx, key)
@@ -49,6 +55,11 @@ func (i *Interceptor) Stream() grpc.StreamServerInterceptor {
 		handler grpc.StreamHandler,
 	) error {
 		ctx := ss.Context()
+
+		if i.limiter.ShouldBypass(ctx) {
+			return handler(srv, ss)
+		}
+
 		key := i.getKey(ctx, info.FullMethod)
 
 		allowed, err := i.limiter.Allow(ctx, key)

internal/ratelimit/limiter.go

@@ -2,12 +2,15 @@ package ratelimit
 
 import (
 	"context"
+	"crypto/subtle"
 	"fmt"
+	"strings"
 	"sync"
 	"time"
 
 	"github.com/Alexander-D-Karpov/concord/internal/infra/cache"
 	"golang.org/x/time/rate"
+	"google.golang.org/grpc/metadata"
 )
 
 type Limiter struct {
@@ -17,6 +20,8 @@ type Limiter struct {
 	localCache  map[string]*rate.Limiter
 	mu          sync.RWMutex
 	cleanupDone chan struct{}
+
+	bypassToken string
 }
 
 type LimitConfig struct {
@@ -24,10 +29,11 @@ type LimitConfig struct {
 	Burst             int
 }
 
-func NewLimiter(cache *cache.Cache, requestsPerMinute, burst int, enabled bool) *Limiter {
+func NewLimiter(cache *cache.Cache, requestsPerMinute, burst int, enabled bool, bypassToken string) *Limiter {
 	l := &Limiter{
-		cache:   cache,
-		enabled: enabled,
+		cache:       cache,
+		enabled:     enabled,
+		bypassToken: strings.TrimSpace(bypassToken),
 		limits: map[string]LimitConfig{
 			"default": {
 				RequestsPerMinute: requestsPerMinute,
@@ -57,6 +63,30 @@ func NewLimiter(cache *cache.Cache, requestsPerMinute, burst int, enabled bool)
 	return l
 }
 
+func (l *Limiter) ShouldBypass(ctx context.Context) bool {
+	if l.bypassToken == "" {
+		return false
+	}
+
+	md, ok := metadata.FromIncomingContext(ctx)
+	if !ok {
+		return false
+	}
+
+	values := md.Get(BypassMetadataKey)
+	if len(values) == 0 {
+		return false
+	}
+
+	for _, candidate := range values {
+		if subtle.ConstantTimeCompare([]byte(strings.TrimSpace(candidate)), []byte(l.bypassToken)) == 1 {
+			return true
+		}
+	}
+
+	return false
+}
+
 func (l *Limiter) Allow(ctx context.Context, key string) (bool, error) {
 	if !l.enabled {
 		return true, nil

internal/rooms/repository.go

@@ -451,8 +451,13 @@ func (r *Repository) AssignVoiceServer(ctx context.Context, roomID, serverID uui
 	return err
 }
 
-func (r *Repository) CreateRoomInvite(ctx context.Context, roomID, invitedUserID, invitedBy uuid.UUID) (*RoomInvite, error) {
-	invite := &RoomInvite{
+func (r *Repository) CreateRoomInvite(
+	ctx context.Context,
+	roomID uuid.UUID,
+	invitedUserID uuid.UUID,
+	invitedBy uuid.UUID,
+) (*RoomInvite, error) {
+	inv := &RoomInvite{
 		ID:            uuid.New(),
 		RoomID:        roomID,
 		InvitedUserID: invitedUserID,
@@ -461,24 +466,30 @@ func (r *Repository) CreateRoomInvite(ctx context.Context, roomID, invitedUserID
 	}
 
 	query := `
-		INSERT INTO room_invites (id, room_id, invited_user_id, invited_by, status)
-		VALUES ($1, $2, $3, $4, $5)
-		ON CONFLICT (room_id, invited_user_id) DO UPDATE SET
-			invited_by = $4,
-			status = 'pending',
-			updated_at = NOW()
-		RETURNING created_at, updated_at
-	`
+        INSERT INTO room_invites (id, room_id, invited_user_id, invited_by, status)
+        VALUES ($1, $2, $3, $4, $5)
+        ON CONFLICT (room_id, invited_user_id)
+        DO UPDATE SET
+            status = 'pending',
+            invited_by = EXCLUDED.invited_by,
+            updated_at = NOW()
+        RETURNING id, created_at, updated_at
+    `
 
-	err := r.pool.QueryRow(ctx, query,
-		invite.ID,
-		invite.RoomID,
-		invite.InvitedUserID,
-		invite.InvitedBy,
-		invite.Status,
-	).Scan(&invite.CreatedAt, &invite.UpdatedAt)
+	err := r.pool.QueryRow(
+		ctx,
+		query,
+		inv.ID,
+		inv.RoomID,
+		inv.InvitedUserID,
+		inv.InvitedBy,
+		inv.Status,
+	).Scan(&inv.ID, &inv.CreatedAt, &inv.UpdatedAt)
+	if err != nil {
+		return nil, err
+	}
 
-	return invite, err
+	return inv, nil
 }
 
 func (r *Repository) GetRoomInvite(ctx context.Context, id uuid.UUID) (*RoomInvite, error) {

internal/typing/service.go

@@ -2,6 +2,7 @@ package typing
 
 import (
 	"context"
+	"sync"
 	"time"
 
 	streamv1 "github.com/Alexander-D-Karpov/concord/api/gen/go/stream/v1"
@@ -15,6 +16,8 @@ type Service struct {
 	repo      *Repository
 	hub       *events.Hub
 	usersRepo *users.Repository
+	rateMu    sync.Mutex
+	lastTyped map[string]time.Time
 }
 
 func NewService(repo *Repository, hub *events.Hub, usersRepo *users.Repository) *Service {
@@ -22,10 +25,40 @@ func NewService(repo *Repository, hub *events.Hub, usersRepo *users.Repository)
 		repo:      repo,
 		hub:       hub,
 		usersRepo: usersRepo,
+		lastTyped: make(map[string]time.Time),
 	}
 }
 
+const typingRateLimit = 2 * time.Second
+
+func (s *Service) checkTypingRate(userID uuid.UUID, targetID uuid.UUID) bool {
+	key := userID.String() + ":" + targetID.String()
+	s.rateMu.Lock()
+	defer s.rateMu.Unlock()
+
+	now := time.Now()
+	if last, ok := s.lastTyped[key]; ok && now.Sub(last) < typingRateLimit {
+		return false
+	}
+	s.lastTyped[key] = now
+
+	if len(s.lastTyped) > 10000 {
+		cutoff := now.Add(-typingRateLimit * 2)
+		for k, t := range s.lastTyped {
+			if t.Before(cutoff) {
+				delete(s.lastTyped, k)
+			}
+		}
+	}
+
+	return true
+}
+
 func (s *Service) StartTypingInRoom(ctx context.Context, userID, roomID uuid.UUID) error {
+	if !s.checkTypingRate(userID, roomID) {
+		return nil
+	}
+
 	if err := s.repo.SetTypingInRoom(ctx, userID, roomID); err != nil {
 		return err
 	}
@@ -44,6 +77,10 @@ func (s *Service) StopTypingInRoom(ctx context.Context, userID, roomID uuid.UUID
 }
 
 func (s *Service) StartTypingInDM(ctx context.Context, userID, channelID uuid.UUID, otherUserID uuid.UUID) error {
+	if !s.checkTypingRate(userID, channelID) {
+		return nil
+	}
+
 	if err := s.repo.SetTypingInDM(ctx, userID, channelID); err != nil {
 		return err
 	}

internal/unfurl/handler.go

@@ -0,0 +1,37 @@
+package unfurl
+
+import (
+	"context"
+
+	unfurlv1 "github.com/Alexander-D-Karpov/concord/api/gen/go/unfurl/v1"
+	"github.com/Alexander-D-Karpov/concord/internal/common/errors"
+)
+
+type Handler struct {
+	unfurlv1.UnimplementedUnfurlServiceServer
+	service *Service
+}
+
+func NewHandler(service *Service) *Handler {
+	return &Handler{service: service}
+}
+
+func (h *Handler) Unfurl(ctx context.Context, req *unfurlv1.UnfurlRequest) (*unfurlv1.UnfurlResponse, error) {
+	if req.Url == "" {
+		return nil, errors.ToGRPCError(errors.BadRequest("url is required"))
+	}
+
+	preview, err := h.service.Unfurl(ctx, req.Url)
+	if err != nil {
+		return nil, errors.ToGRPCError(errors.BadRequest("failed to unfurl: " + err.Error()))
+	}
+
+	return &unfurlv1.UnfurlResponse{
+		Url:         preview.URL,
+		Title:       preview.Title,
+		Description: preview.Description,
+		Image:       preview.Image,
+		SiteName:    preview.SiteName,
+		Favicon:     preview.Favicon,
+	}, nil
+}

internal/users/avatar.go

@@ -31,16 +31,46 @@ type ProcessedAvatar struct {
 	Height    int
 }
 
+var magicBytes = map[string][]byte{
+	"image/jpeg": {0xFF, 0xD8, 0xFF},
+	"image/png":  {0x89, 0x50, 0x4E, 0x47},
+	"image/gif":  {0x47, 0x49, 0x46},
+	"image/webp": {0x52, 0x49, 0x46, 0x46},
+}
+
+func ValidateImageMagic(data []byte) (string, error) {
+	for mime, magic := range magicBytes {
+		if len(data) >= len(magic) {
+			match := true
+			for i, b := range magic {
+				if data[i] != b {
+					match = false
+					break
+				}
+			}
+			if match {
+				return mime, nil
+			}
+		}
+	}
+	return "", fmt.Errorf("unrecognized image format")
+}
+
 func ProcessAvatarImage(data []byte) (*ProcessedAvatar, error) {
 	if len(data) > MaxAvatarBytes {
 		return nil, fmt.Errorf("image too large: %d bytes (max %d)", len(data), MaxAvatarBytes)
 	}
 
+	if _, err := ValidateImageMagic(data); err != nil {
+		return nil, fmt.Errorf("invalid image: %w", err)
+	}
+
 	src, _, err := image.Decode(bytes.NewReader(data))
 	if err != nil {
 		return nil, fmt.Errorf("decode image: %w", err)
 	}
 
+	// Re-encoding to JPEG strips all EXIF/metadata automatically
 	bounds := src.Bounds()
 	w, h := bounds.Dx(), bounds.Dy()
 

internal/users/handler.go

@@ -160,6 +160,7 @@ func toProtoUser(user *User) *commonv1.User {
 		AvatarThumbnailUrl: user.AvatarThumbnailURL,
 		CreatedAt:          timestamppb.New(user.CreatedAt),
 		Status:             user.Status,
+		StatusPreference:   user.StatusPreference,
 	}
 	if user.Bio != "" {
 		proto.Bio = user.Bio

internal/users/repository.go

@@ -25,6 +25,7 @@ type User struct {
 	OAuthSubject       *string
 	CreatedAt          time.Time
 	DeletedAt          *time.Time
+	StatusPreference   string
 }
 
 type UserAvatar struct {
@@ -467,3 +468,24 @@ func (r *Repository) GetLatestUserAvatar(ctx context.Context, userID uuid.UUID)
 	}
 	return av, err
 }
+
+func (r *Repository) GetStatusPreference(ctx context.Context, userID uuid.UUID) (string, error) {
+	var status string
+
+	err := r.pool.QueryRow(ctx,
+		`SELECT COALESCE(status, 'online') FROM users WHERE id = $1`,
+		userID,
+	).Scan(&status)
+	if err != nil {
+		return "", err
+	}
+
+	switch status {
+	case StatusDND:
+		return StatusDND, nil
+	case StatusOffline:
+		return StatusOffline, nil
+	default:
+		return StatusOnline, nil
+	}
+}

internal/version/version.go

@@ -27,11 +27,11 @@ var concordeFleet = []string{
 
 const (
 	APIMajor = 0
-	APIMinor = 1
+	APIMinor = 3
 	APIPatch = 0
 
 	VoiceMajor = 0
-	VoiceMinor = 1
+	VoiceMinor = 2
 	VoicePatch = 0
 )
 

internal/voice/protocol/protocol.go

@@ -27,6 +27,7 @@ const (
 	PacketTypeRR              = 0x0c
 	PacketTypeParticipantLeft = 0x0d
 	PacketTypeSubscribe       = 0x0e
+	PacketTypeQualityReport   = 0x10
 
 	FlagMarker   = 0x01
 	FlagKeyframe = 0x02
@@ -278,16 +279,27 @@ type ReceiverReport struct {
 }
 
 type ParticipantLeftPayload struct {
-	UserID    string `json:"user_id"`
-	RoomID    string `json:"room_id"`
-	SSRC      uint32 `json:"ssrc"`
-	VideoSSRC uint32 `json:"video_ssrc,omitempty"`
+	UserID     string `json:"user_id"`
+	RoomID     string `json:"room_id"`
+	SSRC       uint32 `json:"ssrc"`
+	VideoSSRC  uint32 `json:"video_ssrc,omitempty"`
+	ScreenSSRC uint32 `json:"screen_ssrc,omitempty"`
 }
 
 type SubscribePayload struct {
 	Subscriptions []uint32 `json:"subscriptions"` // List of SSRCs to subscribe to
 }
 
+type QualityReportPayload struct {
+	SSRC       uint32  `json:"ssrc"`
+	UserID     string  `json:"user_id"`
+	RoomID     string  `json:"room_id"`
+	Quality    int     `json:"quality"`
+	RTTMs      float64 `json:"rtt_ms"`
+	PacketLoss float64 `json:"packet_loss"`
+	JitterMs   float64 `json:"jitter_ms"`
+}
+
 func ParseNack(data []byte) (*NackPayload, error) {
 	if len(data) < 7 {
 		return nil, ErrTooSmall

internal/voice/udp/packet_buffer.go

@@ -0,0 +1,49 @@
+package udp
+
+import (
+	"sync"
+	"sync/atomic"
+)
+
+type packetBuffer struct {
+	buf  []byte
+	n    int
+	refs atomic.Int32
+	pool *sync.Pool
+}
+
+func newPacketPool() sync.Pool {
+	p := sync.Pool{}
+	p.New = func() interface{} {
+		return &packetBuffer{
+			buf:  make([]byte, maxPacketLen),
+			pool: &p,
+		}
+	}
+	return p
+}
+
+func (p *packetBuffer) PrepareForRead() []byte {
+	p.n = 0
+	p.refs.Store(1)
+	return p.buf[:cap(p.buf)]
+}
+
+func (p *packetBuffer) SetLen(n int) {
+	p.n = n
+}
+
+func (p *packetBuffer) Bytes() []byte {
+	return p.buf[:p.n]
+}
+
+func (p *packetBuffer) Retain() {
+	p.refs.Add(1)
+}
+
+func (p *packetBuffer) Release() {
+	if p.refs.Add(-1) == 0 {
+		p.n = 0
+		p.pool.Put(p)
+	}
+}

scripts/gen_proto.sh

@@ -31,7 +31,7 @@ INCLUDES="-I. \
 -I$PROTO_DEPS_DIR/grpc-gateway \
 -I$PROTO_DEPS_DIR/protobuf/src"
 
-for dir in common/v1 auth/v1 users/v1 rooms/v1 membership/v1 chat/v1 call/v1 registry/v1 admin/v1 friends/v1 dm/v1; do
+for dir in common/v1 auth/v1 users/v1 rooms/v1 membership/v1 chat/v1 call/v1 registry/v1 admin/v1 friends/v1 dm/v1 unfurl/v1; do
     echo "Generating for $dir..."
 
     protoc $INCLUDES \
@@ -67,6 +67,7 @@ protoc $INCLUDES \
     call/v1/*.proto \
     friends/v1/*.proto \
     dm/v1/*.proto \
-    admin/v1/*.proto
+    admin/v1/*.proto \
+    unfurl/v1/*.proto
 
 echo "Protobuf generation complete!"

tools/voicetest/go.mod

@@ -0,0 +1,21 @@
+module github.com/Alexander-D-Karpov/concord/tools/voicetest
+
+go 1.25.1
+
+require (
+	github.com/Alexander-D-Karpov/concord v0.0.0
+	golang.org/x/crypto v0.43.0
+	google.golang.org/grpc v1.76.0
+)
+
+require (
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3 // indirect
+	golang.org/x/net v0.45.0 // indirect
+	golang.org/x/sys v0.37.0 // indirect
+	golang.org/x/text v0.34.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20250929231259-57b25ae835d4 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250929231259-57b25ae835d4 // indirect
+	google.golang.org/protobuf v1.36.10 // indirect
+)
+
+replace github.com/Alexander-D-Karpov/concord => ../../

tools/voicetest/go.sum

@@ -0,0 +1,42 @@
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3 h1:NmZ1PKzSTQbuGHw9DGPFomqkkLWMC+vZCkfs+FHv1Vg=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3/go.mod h1:zQrxl1YP88HQlA6i9c63DSVPFklWpGX4OWAc9bFuaH4=
+go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
+go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
+go.opentelemetry.io/otel v1.37.0 h1:9zhNfelUvx0KBfu/gb+ZgeAfAgtWrfHJZcAqFC228wQ=
+go.opentelemetry.io/otel v1.37.0/go.mod h1:ehE/umFRLnuLa/vSccNq9oS1ErUlkkK71gMcN34UG8I=
+go.opentelemetry.io/otel/metric v1.37.0 h1:mvwbQS5m0tbmqML4NqK+e3aDiO02vsf/WgbsdpcPoZE=
+go.opentelemetry.io/otel/metric v1.37.0/go.mod h1:04wGrZurHYKOc+RKeye86GwKiTb9FKm1WHtO+4EVr2E=
+go.opentelemetry.io/otel/sdk v1.37.0 h1:ItB0QUqnjesGRvNcmAcU0LyvkVyGJ2xftD29bWdDvKI=
+go.opentelemetry.io/otel/sdk v1.37.0/go.mod h1:VredYzxUvuo2q3WRcDnKDjbdvmO0sCzOvVAiY+yUkAg=
+go.opentelemetry.io/otel/sdk/metric v1.37.0 h1:90lI228XrB9jCMuSdA0673aubgRobVZFhbjxHHspCPc=
+go.opentelemetry.io/otel/sdk/metric v1.37.0/go.mod h1:cNen4ZWfiD37l5NhS+Keb5RXVWZWpRE+9WyVCpbo5ps=
+go.opentelemetry.io/otel/trace v1.37.0 h1:HLdcFNbRQBE2imdSEgm/kwqmQj1Or1l/7bW6mxVK7z4=
+go.opentelemetry.io/otel/trace v1.37.0/go.mod h1:TlgrlQ+PtQO5XFerSPUYG0JSgGyryXewPGyayAWSBS0=
+golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
+golang.org/x/crypto v0.43.0/go.mod h1:BFbav4mRNlXJL4wNeejLpWxB7wMbc79PdRGhWKncxR0=
+golang.org/x/net v0.45.0 h1:RLBg5JKixCy82FtLJpeNlVM0nrSqpCRYzVU1n8kj0tM=
+golang.org/x/net v0.45.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
+golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
+golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk=
+golang.org/x/text v0.34.0/go.mod h1:homfLqTYRFyVYemLBFl5GgL/DWEiH5wcsQ5gSh1yziA=
+gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
+gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
+google.golang.org/genproto/googleapis/api v0.0.0-20250929231259-57b25ae835d4 h1:8XJ4pajGwOlasW+L13MnEGA8W4115jJySQtVfS2/IBU=
+google.golang.org/genproto/googleapis/api v0.0.0-20250929231259-57b25ae835d4/go.mod h1:NnuHhy+bxcg30o7FnVAZbXsPHUDQ9qKWAQKCD7VxFtk=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250929231259-57b25ae835d4 h1:i8QOKZfYg6AbGVZzUAY3LrNWCKF8O6zFisU9Wl9RER4=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250929231259-57b25ae835d4/go.mod h1:HSkG/KdJWusxU1F6CNrwNDjBMgisKxGnc5dAZfT0mjQ=
+google.golang.org/grpc v1.76.0 h1:UnVkv1+uMLYXoIz6o7chp59WfQUYA2ex/BXQ9rHZu7A=
+google.golang.org/grpc v1.76.0/go.mod h1:Ju12QI8M6iQJtbcsV+awF5a4hfJMLi4X0JLo94ULZ6c=
+google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
+google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=