fix: use feat validate-connection.ts (platform WEB)

Copy validate-connection.ts from feat/call-signaling-upstream to match
the exact working environment. Platform WEB instead of MACOS.

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

WAProto/WAProto.proto

@@ -1,7 +1,7 @@
 syntax = "proto3";
 package proto;
 
-/// WhatsApp Version: 2.3000.1034274421
+/// WhatsApp Version: 2.3000.1034621774
 
 message ADVDeviceIdentity {
     optional uint32 rawId = 1;
@@ -74,6 +74,7 @@ message AIMediaCollectionMessage {
 
 message AIMediaCollectionMetadata {
     optional string collectionId = 1;
+    optional uint32 uploadOrderIndex = 2;
 }
 
 message AIQueryFanout {
@@ -251,10 +252,12 @@ message AIThreadInfo {
     optional AIThreadClientInfo clientInfo = 2;
     message AIThreadClientInfo {
         optional AIThreadType type = 1;
+        optional string sourceChatJid = 2;
         enum AIThreadType {
             UNKNOWN = 0;
             DEFAULT = 1;
             INCOGNITO = 2;
+            SIDE_CHAT = 3;
         }
     }
     
@@ -403,6 +406,7 @@ message BotCapabilityMetadata {
         RICH_RESPONSE_UR_BLOKS_ENABLED = 55;
         RICH_RESPONSE_INLINE_LINKS_ENABLED = 56;
         RICH_RESPONSE_UR_IMAGINE_VIDEO = 57;
+        JSON_PATCH_STREAMING = 58;
     }
 }
 
@@ -687,6 +691,7 @@ enum BotMetricsEntryPoint {
     WEB_INTRO_PANEL = 46;
     WEB_NAVIGATION_BAR = 47;
     GROUP_MEMBER = 54;
+    CHATLIST_SEARCH = 55;
 }
 message BotMetricsMetadata {
     optional string destinationId = 1;
@@ -1106,6 +1111,7 @@ message ClientPayload {
     optional bool paaLink = 44;
     optional int32 preacksCount = 45;
     optional int32 processingQueueSize = 46;
+    repeated string pairedPeripherals = 47;
     enum AccountType {
         DEFAULT = 0;
         GUEST = 1;
@@ -1628,6 +1634,7 @@ message DeviceCapabilities {
     
     message BusinessBroadcast {
         optional bool importListEnabled = 1;
+        optional bool companionSupportEnabled = 2;
     }
     
     enum ChatLockSupportLevel {
@@ -1702,6 +1709,7 @@ message DeviceProps {
         optional uint32 thumbnailSyncDaysLimit = 19;
         optional uint32 initialSyncMaxMessagesPerChat = 20;
         optional bool supportManusHistory = 21;
+        optional bool supportHatchHistory = 22;
     }
     
     enum PlatformType {
@@ -2798,6 +2806,13 @@ message Message {
         optional bool securityNotificationEnabled = 1;
     }
     
+    enum InsightDeliveryState {
+        SENT = 0;
+        DELIVERED = 1;
+        READ = 2;
+        REPLIED = 3;
+        QUICK_REPLIED = 4;
+    }
     message InteractiveMessage {
         optional Header header = 1;
         optional Body body = 2;
@@ -3170,6 +3185,16 @@ message Message {
         optional HistorySyncChunkRetryRequest historySyncChunkRetryRequest = 8;
         optional GalaxyFlowAction galaxyFlowAction = 9;
         optional CompanionCanonicalUserNonceFetchRequest companionCanonicalUserNonceFetchRequest = 10;
+        optional BizBroadcastInsightsContactListRequest bizBroadcastInsightsContactListRequest = 11;
+        optional BizBroadcastInsightsRefreshRequest bizBroadcastInsightsRefreshRequest = 12;
+        message BizBroadcastInsightsContactListRequest {
+            optional string campaignId = 1;
+        }
+        
+        message BizBroadcastInsightsRefreshRequest {
+            optional string campaignId = 1;
+        }
+        
         message CompanionCanonicalUserNonceFetchRequest {
             optional string registrationTraceId = 1;
         }
@@ -3244,6 +3269,18 @@ message Message {
             optional CompanionCanonicalUserNonceFetchResponse companionCanonicalUserNonceFetchRequestResponse = 9;
             optional HistorySyncChunkRetryResponse historySyncChunkRetryResponse = 10;
             optional FlowResponsesCsvBundle flowResponsesCsvBundle = 11;
+            optional BizBroadcastInsightsContactListResponse bizBroadcastInsightsContactListResponse = 12;
+            message BizBroadcastInsightsContactListResponse {
+                optional string campaignId = 1;
+                optional int64 timestampMs = 2;
+                repeated Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.BizBroadcastInsightsContactState contacts = 3;
+            }
+            
+            message BizBroadcastInsightsContactState {
+                optional string contactJid = 1;
+                optional Message.InsightDeliveryState state = 2;
+            }
+            
             message CompanionCanonicalUserNonceFetchResponse {
                 optional string nonce = 1;
                 optional string waFbid = 2;
@@ -3357,6 +3394,8 @@ message Message {
         COMPANION_CANONICAL_USER_NONCE_FETCH = 9;
         HISTORY_SYNC_CHUNK_RETRY = 10;
         GALAXY_FLOW_ACTION = 11;
+        BUSINESS_BROADCAST_INSIGHTS_DELIVERED_TO = 12;
+        BUSINESS_BROADCAST_INSIGHTS_REFRESH = 13;
     }
     message PinInChatMessage {
         optional MessageKey key = 1;
@@ -3967,6 +4006,7 @@ message MsgOpaqueData {
     optional string quarantineExtractedText = 48;
     optional int64 pollEndTime = 49;
     optional bool pollHideVoterNames = 50;
+    optional bool pollAllowAddOption = 52;
     message EventLocation {
         optional double degreesLatitude = 1;
         optional double degreesLongitude = 2;
@@ -4083,6 +4123,7 @@ enum MutationProps {
     NCT_SALT_SYNC_ACTION = 80;
     BUSINESS_BROADCAST_CAMPAIGN_ACTION = 81;
     BUSINESS_BROADCAST_INSIGHTS_ACTION = 82;
+    CUSTOMER_DATA_ACTION = 83;
     SHARE_OWN_PN = 10001;
     BUSINESS_BROADCAST_ACTION = 10002;
     AI_THREAD_DELETE_ACTION = 10003;
@@ -4718,6 +4759,7 @@ message SyncActionValue {
     optional NctSaltSyncAction nctSaltSyncAction = 80;
     optional BusinessBroadcastCampaignAction businessBroadcastCampaignAction = 81;
     optional BusinessBroadcastInsightsAction businessBroadcastInsightsAction = 82;
+    optional CustomerDataAction customerDataAction = 83;
     message AgentAction {
         optional string name = 1;
         optional int32 deviceID = 2;
@@ -4839,6 +4881,20 @@ message SyncActionValue {
         repeated SyncActionValue.CustomPaymentMethod customPaymentMethods = 1;
     }
     
+    message CustomerDataAction {
+        optional string chatJid = 1;
+        optional int32 contactType = 2;
+        optional string email = 3;
+        optional string altPhoneNumbers = 4;
+        optional int64 birthday = 5;
+        optional string address = 6;
+        optional int32 acquisitionSource = 7;
+        optional int32 leadStage = 8;
+        optional int64 lastOrder = 9;
+        optional int64 createdAt = 10;
+        optional int64 modifiedAt = 11;
+    }
+    
     message DeleteChatAction {
         optional SyncActionValue.SyncActionMessageRange messageRange = 1;
     }
@@ -5351,7 +5407,6 @@ message TemplateButton {
 message ThreadID {
     optional ThreadType threadType = 1;
     optional MessageKey threadKey = 2;
-    optional string sourceChatJid = 3;
     enum ThreadType {
         UNKNOWN = 0;
         VIEW_REPLIES = 1;

WAProto/index.d.ts

@@ -203,11 +203,13 @@ export namespace proto {
 
     interface IAIMediaCollectionMetadata {
         collectionId?: (string|null);
+        uploadOrderIndex?: (number|null);
     }
 
     class AIMediaCollectionMetadata implements IAIMediaCollectionMetadata {
         constructor(p?: proto.IAIMediaCollectionMetadata);
         public collectionId?: (string|null);
+        public uploadOrderIndex?: (number|null);
         public static create(properties?: proto.IAIMediaCollectionMetadata): proto.AIMediaCollectionMetadata;
         public static encode(m: proto.IAIMediaCollectionMetadata, w?: $protobuf.Writer): $protobuf.Writer;
         public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.AIMediaCollectionMetadata;
@@ -725,11 +727,13 @@ export namespace proto {
 
         interface IAIThreadClientInfo {
             type?: (proto.AIThreadInfo.AIThreadClientInfo.AIThreadType|null);
+            sourceChatJid?: (string|null);
         }
 
         class AIThreadClientInfo implements IAIThreadClientInfo {
             constructor(p?: proto.AIThreadInfo.IAIThreadClientInfo);
             public type?: (proto.AIThreadInfo.AIThreadClientInfo.AIThreadType|null);
+            public sourceChatJid?: (string|null);
             public static create(properties?: proto.AIThreadInfo.IAIThreadClientInfo): proto.AIThreadInfo.AIThreadClientInfo;
             public static encode(m: proto.AIThreadInfo.IAIThreadClientInfo, w?: $protobuf.Writer): $protobuf.Writer;
             public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.AIThreadInfo.AIThreadClientInfo;
@@ -744,7 +748,8 @@ export namespace proto {
             enum AIThreadType {
                 UNKNOWN = 0,
                 DEFAULT = 1,
-                INCOGNITO = 2
+                INCOGNITO = 2,
+                SIDE_CHAT = 3
             }
         }
 
@@ -1052,7 +1057,8 @@ export namespace proto {
             AI_IMAGINE_UR_TO_NATIVE_LOADING_INDICATOR = 54,
             RICH_RESPONSE_UR_BLOKS_ENABLED = 55,
             RICH_RESPONSE_INLINE_LINKS_ENABLED = 56,
-            RICH_RESPONSE_UR_IMAGINE_VIDEO = 57
+            RICH_RESPONSE_UR_IMAGINE_VIDEO = 57,
+            JSON_PATCH_STREAMING = 58
         }
     }
 
@@ -1738,7 +1744,8 @@ export namespace proto {
         META_AI_SETTINGS = 45,
         WEB_INTRO_PANEL = 46,
         WEB_NAVIGATION_BAR = 47,
-        GROUP_MEMBER = 54
+        GROUP_MEMBER = 54,
+        CHATLIST_SEARCH = 55
     }
 
     interface IBotMetricsMetadata {
@@ -2814,6 +2821,7 @@ export namespace proto {
         paaLink?: (boolean|null);
         preacksCount?: (number|null);
         processingQueueSize?: (number|null);
+        pairedPeripherals?: (string[]|null);
     }
 
     class ClientPayload implements IClientPayload {
@@ -2852,6 +2860,7 @@ export namespace proto {
         public paaLink?: (boolean|null);
         public preacksCount?: (number|null);
         public processingQueueSize?: (number|null);
+        public pairedPeripherals: string[];
         public static create(properties?: proto.IClientPayload): proto.ClientPayload;
         public static encode(m: proto.IClientPayload, w?: $protobuf.Writer): $protobuf.Writer;
         public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.ClientPayload;
@@ -3973,11 +3982,13 @@ export namespace proto {
 
         interface IBusinessBroadcast {
             importListEnabled?: (boolean|null);
+            companionSupportEnabled?: (boolean|null);
         }
 
         class BusinessBroadcast implements IBusinessBroadcast {
             constructor(p?: proto.DeviceCapabilities.IBusinessBroadcast);
             public importListEnabled?: (boolean|null);
+            public companionSupportEnabled?: (boolean|null);
             public static create(properties?: proto.DeviceCapabilities.IBusinessBroadcast): proto.DeviceCapabilities.BusinessBroadcast;
             public static encode(m: proto.DeviceCapabilities.IBusinessBroadcast, w?: $protobuf.Writer): $protobuf.Writer;
             public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.DeviceCapabilities.BusinessBroadcast;
@@ -4152,6 +4163,7 @@ export namespace proto {
             thumbnailSyncDaysLimit?: (number|null);
             initialSyncMaxMessagesPerChat?: (number|null);
             supportManusHistory?: (boolean|null);
+            supportHatchHistory?: (boolean|null);
         }
 
         class HistorySyncConfig implements IHistorySyncConfig {
@@ -4177,6 +4189,7 @@ export namespace proto {
             public thumbnailSyncDaysLimit?: (number|null);
             public initialSyncMaxMessagesPerChat?: (number|null);
             public supportManusHistory?: (boolean|null);
+            public supportHatchHistory?: (boolean|null);
             public static create(properties?: proto.DeviceProps.IHistorySyncConfig): proto.DeviceProps.HistorySyncConfig;
             public static encode(m: proto.DeviceProps.IHistorySyncConfig, w?: $protobuf.Writer): $protobuf.Writer;
             public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.DeviceProps.HistorySyncConfig;
@@ -7042,6 +7055,14 @@ export namespace proto {
             public static getTypeUrl(typeUrlPrefix?: string): string;
         }
 
+        enum InsightDeliveryState {
+            SENT = 0,
+            DELIVERED = 1,
+            READ = 2,
+            REPLIED = 3,
+            QUICK_REPLIED = 4
+        }
+
         interface IInteractiveMessage {
             header?: (proto.Message.InteractiveMessage.IHeader|null);
             body?: (proto.Message.InteractiveMessage.IBody|null);
@@ -8082,6 +8103,8 @@ export namespace proto {
             historySyncChunkRetryRequest?: (proto.Message.PeerDataOperationRequestMessage.IHistorySyncChunkRetryRequest|null);
             galaxyFlowAction?: (proto.Message.PeerDataOperationRequestMessage.IGalaxyFlowAction|null);
             companionCanonicalUserNonceFetchRequest?: (proto.Message.PeerDataOperationRequestMessage.ICompanionCanonicalUserNonceFetchRequest|null);
+            bizBroadcastInsightsContactListRequest?: (proto.Message.PeerDataOperationRequestMessage.IBizBroadcastInsightsContactListRequest|null);
+            bizBroadcastInsightsRefreshRequest?: (proto.Message.PeerDataOperationRequestMessage.IBizBroadcastInsightsRefreshRequest|null);
         }
 
         class PeerDataOperationRequestMessage implements IPeerDataOperationRequestMessage {
@@ -8096,6 +8119,8 @@ export namespace proto {
             public historySyncChunkRetryRequest?: (proto.Message.PeerDataOperationRequestMessage.IHistorySyncChunkRetryRequest|null);
             public galaxyFlowAction?: (proto.Message.PeerDataOperationRequestMessage.IGalaxyFlowAction|null);
             public companionCanonicalUserNonceFetchRequest?: (proto.Message.PeerDataOperationRequestMessage.ICompanionCanonicalUserNonceFetchRequest|null);
+            public bizBroadcastInsightsContactListRequest?: (proto.Message.PeerDataOperationRequestMessage.IBizBroadcastInsightsContactListRequest|null);
+            public bizBroadcastInsightsRefreshRequest?: (proto.Message.PeerDataOperationRequestMessage.IBizBroadcastInsightsRefreshRequest|null);
             public static create(properties?: proto.Message.IPeerDataOperationRequestMessage): proto.Message.PeerDataOperationRequestMessage;
             public static encode(m: proto.Message.IPeerDataOperationRequestMessage, w?: $protobuf.Writer): $protobuf.Writer;
             public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.Message.PeerDataOperationRequestMessage;
@@ -8107,6 +8132,38 @@ export namespace proto {
 
         namespace PeerDataOperationRequestMessage {
 
+            interface IBizBroadcastInsightsContactListRequest {
+                campaignId?: (string|null);
+            }
+
+            class BizBroadcastInsightsContactListRequest implements IBizBroadcastInsightsContactListRequest {
+                constructor(p?: proto.Message.PeerDataOperationRequestMessage.IBizBroadcastInsightsContactListRequest);
+                public campaignId?: (string|null);
+                public static create(properties?: proto.Message.PeerDataOperationRequestMessage.IBizBroadcastInsightsContactListRequest): proto.Message.PeerDataOperationRequestMessage.BizBroadcastInsightsContactListRequest;
+                public static encode(m: proto.Message.PeerDataOperationRequestMessage.IBizBroadcastInsightsContactListRequest, w?: $protobuf.Writer): $protobuf.Writer;
+                public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.Message.PeerDataOperationRequestMessage.BizBroadcastInsightsContactListRequest;
+                public static fromObject(d: { [k: string]: any }): proto.Message.PeerDataOperationRequestMessage.BizBroadcastInsightsContactListRequest;
+                public static toObject(m: proto.Message.PeerDataOperationRequestMessage.BizBroadcastInsightsContactListRequest, o?: $protobuf.IConversionOptions): { [k: string]: any };
+                public toJSON(): { [k: string]: any };
+                public static getTypeUrl(typeUrlPrefix?: string): string;
+            }
+
+            interface IBizBroadcastInsightsRefreshRequest {
+                campaignId?: (string|null);
+            }
+
+            class BizBroadcastInsightsRefreshRequest implements IBizBroadcastInsightsRefreshRequest {
+                constructor(p?: proto.Message.PeerDataOperationRequestMessage.IBizBroadcastInsightsRefreshRequest);
+                public campaignId?: (string|null);
+                public static create(properties?: proto.Message.PeerDataOperationRequestMessage.IBizBroadcastInsightsRefreshRequest): proto.Message.PeerDataOperationRequestMessage.BizBroadcastInsightsRefreshRequest;
+                public static encode(m: proto.Message.PeerDataOperationRequestMessage.IBizBroadcastInsightsRefreshRequest, w?: $protobuf.Writer): $protobuf.Writer;
+                public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.Message.PeerDataOperationRequestMessage.BizBroadcastInsightsRefreshRequest;
+                public static fromObject(d: { [k: string]: any }): proto.Message.PeerDataOperationRequestMessage.BizBroadcastInsightsRefreshRequest;
+                public static toObject(m: proto.Message.PeerDataOperationRequestMessage.BizBroadcastInsightsRefreshRequest, o?: $protobuf.IConversionOptions): { [k: string]: any };
+                public toJSON(): { [k: string]: any };
+                public static getTypeUrl(typeUrlPrefix?: string): string;
+            }
+
             interface ICompanionCanonicalUserNonceFetchRequest {
                 registrationTraceId?: (string|null);
             }
@@ -8326,6 +8383,7 @@ export namespace proto {
                 companionCanonicalUserNonceFetchRequestResponse?: (proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.ICompanionCanonicalUserNonceFetchResponse|null);
                 historySyncChunkRetryResponse?: (proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IHistorySyncChunkRetryResponse|null);
                 flowResponsesCsvBundle?: (proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IFlowResponsesCsvBundle|null);
+                bizBroadcastInsightsContactListResponse?: (proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IBizBroadcastInsightsContactListResponse|null);
             }
 
             class PeerDataOperationResult implements IPeerDataOperationResult {
@@ -8341,6 +8399,7 @@ export namespace proto {
                 public companionCanonicalUserNonceFetchRequestResponse?: (proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.ICompanionCanonicalUserNonceFetchResponse|null);
                 public historySyncChunkRetryResponse?: (proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IHistorySyncChunkRetryResponse|null);
                 public flowResponsesCsvBundle?: (proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IFlowResponsesCsvBundle|null);
+                public bizBroadcastInsightsContactListResponse?: (proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IBizBroadcastInsightsContactListResponse|null);
                 public static create(properties?: proto.Message.PeerDataOperationRequestResponseMessage.IPeerDataOperationResult): proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult;
                 public static encode(m: proto.Message.PeerDataOperationRequestResponseMessage.IPeerDataOperationResult, w?: $protobuf.Writer): $protobuf.Writer;
                 public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult;
@@ -8352,6 +8411,44 @@ export namespace proto {
 
             namespace PeerDataOperationResult {
 
+                interface IBizBroadcastInsightsContactListResponse {
+                    campaignId?: (string|null);
+                    timestampMs?: (number|Long|null);
+                    contacts?: (proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IBizBroadcastInsightsContactState[]|null);
+                }
+
+                class BizBroadcastInsightsContactListResponse implements IBizBroadcastInsightsContactListResponse {
+                    constructor(p?: proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IBizBroadcastInsightsContactListResponse);
+                    public campaignId?: (string|null);
+                    public timestampMs?: (number|Long|null);
+                    public contacts: proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IBizBroadcastInsightsContactState[];
+                    public static create(properties?: proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IBizBroadcastInsightsContactListResponse): proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.BizBroadcastInsightsContactListResponse;
+                    public static encode(m: proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IBizBroadcastInsightsContactListResponse, w?: $protobuf.Writer): $protobuf.Writer;
+                    public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.BizBroadcastInsightsContactListResponse;
+                    public static fromObject(d: { [k: string]: any }): proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.BizBroadcastInsightsContactListResponse;
+                    public static toObject(m: proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.BizBroadcastInsightsContactListResponse, o?: $protobuf.IConversionOptions): { [k: string]: any };
+                    public toJSON(): { [k: string]: any };
+                    public static getTypeUrl(typeUrlPrefix?: string): string;
+                }
+
+                interface IBizBroadcastInsightsContactState {
+                    contactJid?: (string|null);
+                    state?: (proto.Message.InsightDeliveryState|null);
+                }
+
+                class BizBroadcastInsightsContactState implements IBizBroadcastInsightsContactState {
+                    constructor(p?: proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IBizBroadcastInsightsContactState);
+                    public contactJid?: (string|null);
+                    public state?: (proto.Message.InsightDeliveryState|null);
+                    public static create(properties?: proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IBizBroadcastInsightsContactState): proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.BizBroadcastInsightsContactState;
+                    public static encode(m: proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.IBizBroadcastInsightsContactState, w?: $protobuf.Writer): $protobuf.Writer;
+                    public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.BizBroadcastInsightsContactState;
+                    public static fromObject(d: { [k: string]: any }): proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.BizBroadcastInsightsContactState;
+                    public static toObject(m: proto.Message.PeerDataOperationRequestResponseMessage.PeerDataOperationResult.BizBroadcastInsightsContactState, o?: $protobuf.IConversionOptions): { [k: string]: any };
+                    public toJSON(): { [k: string]: any };
+                    public static getTypeUrl(typeUrlPrefix?: string): string;
+                }
+
                 interface ICompanionCanonicalUserNonceFetchResponse {
                     nonce?: (string|null);
                     waFbid?: (string|null);
@@ -8634,7 +8731,9 @@ export namespace proto {
             COMPANION_SYNCD_SNAPSHOT_FATAL_RECOVERY = 8,
             COMPANION_CANONICAL_USER_NONCE_FETCH = 9,
             HISTORY_SYNC_CHUNK_RETRY = 10,
-            GALAXY_FLOW_ACTION = 11
+            GALAXY_FLOW_ACTION = 11,
+            BUSINESS_BROADCAST_INSIGHTS_DELIVERED_TO = 12,
+            BUSINESS_BROADCAST_INSIGHTS_REFRESH = 13
         }
 
         interface IPinInChatMessage {
@@ -10114,6 +10213,7 @@ export namespace proto {
         quarantineExtractedText?: (string|null);
         pollEndTime?: (number|Long|null);
         pollHideVoterNames?: (boolean|null);
+        pollAllowAddOption?: (boolean|null);
     }
 
     class MsgOpaqueData implements IMsgOpaqueData {
@@ -10164,6 +10264,7 @@ export namespace proto {
         public quarantineExtractedText?: (string|null);
         public pollEndTime?: (number|Long|null);
         public pollHideVoterNames?: (boolean|null);
+        public pollAllowAddOption?: (boolean|null);
         public static create(properties?: proto.IMsgOpaqueData): proto.MsgOpaqueData;
         public static encode(m: proto.IMsgOpaqueData, w?: $protobuf.Writer): $protobuf.Writer;
         public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.MsgOpaqueData;
@@ -10360,6 +10461,7 @@ export namespace proto {
         NCT_SALT_SYNC_ACTION = 80,
         BUSINESS_BROADCAST_CAMPAIGN_ACTION = 81,
         BUSINESS_BROADCAST_INSIGHTS_ACTION = 82,
+        CUSTOMER_DATA_ACTION = 83,
         SHARE_OWN_PN = 10001,
         BUSINESS_BROADCAST_ACTION = 10002,
         AI_THREAD_DELETE_ACTION = 10003
@@ -11953,6 +12055,7 @@ export namespace proto {
         nctSaltSyncAction?: (proto.SyncActionValue.INctSaltSyncAction|null);
         businessBroadcastCampaignAction?: (proto.SyncActionValue.IBusinessBroadcastCampaignAction|null);
         businessBroadcastInsightsAction?: (proto.SyncActionValue.IBusinessBroadcastInsightsAction|null);
+        customerDataAction?: (proto.SyncActionValue.ICustomerDataAction|null);
     }
 
     class SyncActionValue implements ISyncActionValue {
@@ -12030,6 +12133,7 @@ export namespace proto {
         public nctSaltSyncAction?: (proto.SyncActionValue.INctSaltSyncAction|null);
         public businessBroadcastCampaignAction?: (proto.SyncActionValue.IBusinessBroadcastCampaignAction|null);
         public businessBroadcastInsightsAction?: (proto.SyncActionValue.IBusinessBroadcastInsightsAction|null);
+        public customerDataAction?: (proto.SyncActionValue.ICustomerDataAction|null);
         public static create(properties?: proto.ISyncActionValue): proto.SyncActionValue;
         public static encode(m: proto.ISyncActionValue, w?: $protobuf.Writer): $protobuf.Writer;
         public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.SyncActionValue;
@@ -12436,6 +12540,42 @@ export namespace proto {
             public static getTypeUrl(typeUrlPrefix?: string): string;
         }
 
+        interface ICustomerDataAction {
+            chatJid?: (string|null);
+            contactType?: (number|null);
+            email?: (string|null);
+            altPhoneNumbers?: (string|null);
+            birthday?: (number|Long|null);
+            address?: (string|null);
+            acquisitionSource?: (number|null);
+            leadStage?: (number|null);
+            lastOrder?: (number|Long|null);
+            createdAt?: (number|Long|null);
+            modifiedAt?: (number|Long|null);
+        }
+
+        class CustomerDataAction implements ICustomerDataAction {
+            constructor(p?: proto.SyncActionValue.ICustomerDataAction);
+            public chatJid?: (string|null);
+            public contactType?: (number|null);
+            public email?: (string|null);
+            public altPhoneNumbers?: (string|null);
+            public birthday?: (number|Long|null);
+            public address?: (string|null);
+            public acquisitionSource?: (number|null);
+            public leadStage?: (number|null);
+            public lastOrder?: (number|Long|null);
+            public createdAt?: (number|Long|null);
+            public modifiedAt?: (number|Long|null);
+            public static create(properties?: proto.SyncActionValue.ICustomerDataAction): proto.SyncActionValue.CustomerDataAction;
+            public static encode(m: proto.SyncActionValue.ICustomerDataAction, w?: $protobuf.Writer): $protobuf.Writer;
+            public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.SyncActionValue.CustomerDataAction;
+            public static fromObject(d: { [k: string]: any }): proto.SyncActionValue.CustomerDataAction;
+            public static toObject(m: proto.SyncActionValue.CustomerDataAction, o?: $protobuf.IConversionOptions): { [k: string]: any };
+            public toJSON(): { [k: string]: any };
+            public static getTypeUrl(typeUrlPrefix?: string): string;
+        }
+
         interface IDeleteChatAction {
             messageRange?: (proto.SyncActionValue.ISyncActionMessageRange|null);
         }
@@ -13959,14 +14099,12 @@ export namespace proto {
     interface IThreadID {
         threadType?: (proto.ThreadID.ThreadType|null);
         threadKey?: (proto.IMessageKey|null);
-        sourceChatJid?: (string|null);
     }
 
     class ThreadID implements IThreadID {
         constructor(p?: proto.IThreadID);
         public threadType?: (proto.ThreadID.ThreadType|null);
         public threadKey?: (proto.IMessageKey|null);
-        public sourceChatJid?: (string|null);
         public static create(properties?: proto.IThreadID): proto.ThreadID;
         public static encode(m: proto.IThreadID, w?: $protobuf.Writer): $protobuf.Writer;
         public static decode(r: ($protobuf.Reader|Uint8Array), l?: number): proto.ThreadID;

src/Defaults/baileys-version.json

@@ -1 +1 @@
-{"version":[2,3000,1034279434]}
+{"version":[2,3000,1034641024]}

src/Defaults/index.ts

@@ -56,10 +56,33 @@ export const PROCESSABLE_HISTORY_TYPES = [
 // 6 hours in milliseconds
 const SIX_HOURS_MS = 6 * 60 * 60 * 1000
 
+/**
+ * Resolves the default browser tuple from the BAILEYS_BROWSER env var.
+ * Default: Android companion (SMB_ANDROID) — matches upstream PR #2201.
+ * Pair code auto-detects Android and falls back to Chrome in socket.ts.
+ *
+ *   unset / 'android'    → Browsers.android('14')
+ *   'android:15'         → Browsers.android('15')
+ *   'chrome' / 'macos'   → Browsers.macOS('Chrome')
+ */
+const resolveDefaultBrowser = (): [string, string, string] => {
+	const env = process.env.BAILEYS_BROWSER?.trim().toLowerCase()
+	if (env === 'chrome' || env === 'macos') {
+		return Browsers.macOS('Chrome')
+	}
+
+	if (env?.startsWith('android:')) {
+		const apiLevel = env.split(':')[1] || '14'
+		return Browsers.android(apiLevel)
+	}
+
+	return Browsers.android('14')
+}
+
 export const DEFAULT_CONNECTION_CONFIG: SocketConfig = {
 	version: version as WAVersion,
 	versionCheckIntervalMs: SIX_HOURS_MS,
-	browser: Browsers.macOS('Chrome'),
+	browser: resolveDefaultBrowser(),
 	waWebSocketUrl: 'wss://web.whatsapp.com/ws/chat',
 	connectTimeoutMs: 20_000,
 	keepAliveIntervalMs: 15_000,

src/Signal/libsignal.ts

@@ -302,6 +302,25 @@ export function makeLibSignalRepository(
 	// Promise instead of each spawning their own DB transactions.
 	const migrationInFlight = new Map<string, Promise<{ migrated: number; skipped: number; total: number }>>()
 
+	// Resolve PN JID to its canonical LID JID for transaction locking.
+	// This prevents PN/LID race conditions where concurrent operations for the
+	// same logical contact acquire different mutex locks because one uses PN
+	// and the other uses LID. (Aligned with WABA behavior — all operations use LID internally.)
+	const resolveCanonicalJid = async(jid: string): Promise<string> => {
+		if (isAnyLidUser(jid)) {
+			return jid
+		}
+
+		if (isAnyPnUser(jid)) {
+			const lid = await lidMapping.getLIDForPN(jid)
+			if (lid) {
+				return lid
+			}
+		}
+
+		return jid
+	}
+
 	const repository: SignalRepositoryWithLIDStore = {
 		decryptGroupMessage({ group, authorJid, msg }) {
 			const senderName = jidToSignalSenderKeyName(group, authorJid)
@@ -396,23 +415,24 @@ export function makeLibSignalRepository(
 				return result
 			}
 
-			// If it's not a sync message, we need to ensure atomicity
+			// Use canonical JID (PN→LID resolved) as transaction key to prevent
-			// For regular messages, we use a transaction to ensure atomicity
+			// PN/LID race conditions on the same logical session.
+			const canonicalJid = await resolveCanonicalJid(jid)
 			return parsedKeys.transaction(async () => {
 				return await doDecrypt()
-			}, jid)
+			}, canonicalJid)
 		},
 
 		async encryptMessage({ jid, data }) {
 			const addr = jidToSignalProtocolAddress(jid)
 			const cipher = new libsignal.SessionCipher(storage, addr)
 
-			// Use transaction to ensure atomicity
+			const canonicalJid = await resolveCanonicalJid(jid)
 			return parsedKeys.transaction(async () => {
 				const { type: sigType, body } = await cipher.encrypt(data)
 				const type = sigType === 3 ? 'pkmsg' : 'msg'
 				return { type, ciphertext: Buffer.from(body, 'binary') }
-			}, jid)
+			}, canonicalJid)
 		},
 
 		async encryptGroupMessage({ group, meId, data }) {
@@ -654,9 +674,10 @@ export function makeLibSignalRepository(
 								// Session exists (guaranteed from device discovery)
 								const fromSession = libsignal.SessionRecord.deserialize(pnSession)
 								if (fromSession.haveOpenSession()) {
-									// Queue for bulk update: copy to LID, delete from PN
+									// Queue for bulk update: copy to LID, retain PN session.
+									// WABA retains both PN and LID sessions during migration to avoid
+									// No Session errors if messages arrive via PN before migration completes.
 									sessionUpdates[lidAddrStr] = fromSession.serialize()
-									sessionUpdates[pnAddrStr] = null
 
 									migratedCount++
 								}
@@ -776,6 +797,13 @@ function signalStorage(
 		return id
 	}
 
+	// Delayed PreKey deletion: grace period to handle race conditions
+	// where two pkmsg with the same preKeyId arrive nearly simultaneously.
+	// WABA deletes immediately (33ms), but we add a 5-min grace period
+	// because we can't handle "Invalid PreKey ID" errors at the native level.
+	const PREKEY_GRACE_PERIOD_MS = 5 * 60 * 1000 // 5 minutes
+	const pendingPreKeyDeletions = new Map<string, ReturnType<typeof setTimeout>>()
+
 	return {
 		loadSession: async (id: string) => {
 			try {
@@ -808,7 +836,26 @@ function signalStorage(
 				}
 			}
 		},
-		removePreKey: (id: number) => keys.set({ 'pre-key': { [id]: null } }),
+		removePreKey: (id: number) => {
+			const keyId = id.toString()
+			// Clear any existing timer for this key
+			const existing = pendingPreKeyDeletions.get(keyId)
+			if (existing) {
+				clearTimeout(existing)
+			}
+
+			// Schedule deletion after grace period
+			const timer = setTimeout(async () => {
+				pendingPreKeyDeletions.delete(keyId)
+				try {
+					await keys.set({ 'pre-key': { [id]: null } })
+				} catch {
+					// Keystore may be destroyed if connection closed — safe to ignore
+				}
+			}, PREKEY_GRACE_PERIOD_MS)
+
+			pendingPreKeyDeletions.set(keyId, timer)
+		},
 		loadSignedPreKey: () => {
 			const key = creds.signedPreKey
 			return {
@@ -898,14 +945,24 @@ function signalStorage(
 					// IDENTITY KEY CHANGED - contact reinstalled WhatsApp or switched devices
 					const previousFingerprint = generateKeyFingerprint(existingKey)
 
-					// Delete old session and save new identity key atomically
+					// Delete old session and save new identity key atomically.
+					// Store identity in BOTH LID and PN addresses (WABA stores in both
+					// recipient_account_type=0 and type=1 with CONFLICT_REPLACE).
+					const identityUpdates: Record<string, Uint8Array> = { [wireJid]: identityKey }
+					if (wireJid !== id) {
+						identityUpdates[id] = identityKey
+					}
+
 					await keys.set({
 						session: { [wireJid]: null },
-						'identity-key': { [wireJid]: identityKey }
+						'identity-key': identityUpdates
 					})
 
-					// Update cache
+					// Update cache for both addresses
 					identityKeyCache.set(wireJid, identityKey)
+					if (wireJid !== id) {
+						identityKeyCache.set(id, identityKey)
+					}
 
 					// Record metrics
 					metrics.signalIdentityChanges?.inc({ type: 'changed' })
@@ -941,10 +998,19 @@ function signalStorage(
 
 				if (!existingKey) {
 					// NEW CONTACT - Trust On First Use (TOFU)
-					await keys.set({ 'identity-key': { [wireJid]: identityKey } })
+					// Store in both LID and PN addresses (aligned with WABA dual identity storage)
+					const identityUpdates: Record<string, Uint8Array> = { [wireJid]: identityKey }
+					if (wireJid !== id) {
+						identityUpdates[id] = identityKey
+					}
 
-					// Update cache
+					await keys.set({ 'identity-key': identityUpdates })
+
+					// Update cache for both addresses
 					identityKeyCache.set(wireJid, identityKey)
+					if (wireJid !== id) {
+						identityKeyCache.set(id, identityKey)
+					}
 
 					// Record metrics
 					metrics.signalIdentityChanges?.inc({ type: 'new' })

src/Socket/chats.ts

@@ -50,7 +50,8 @@ import {
 	isMissingKeyError,
 	MAX_SYNC_ATTEMPTS,
 	newLTHashState,
-	processSyncAction
+	processSyncAction,
+	resolveLidToPn
 } from '../Utils'
 import { makeKeyedMutex, makeMutex } from '../Utils/make-mutex'
 import processMessage from '../Utils/process-message'
@@ -757,9 +758,16 @@ export const makeChatsSocket = (config: SocketConfig) => {
 			}, authState?.creds?.me?.id || 'resync-app-state')
 
 			const { onMutation } = newAppStateChunkHandler(isInitialSync)
+			const lidMapping = signalRepository.lidMapping
 			for (const key in globalMutationMap) {
 				const mutation = globalMutationMap[key]
 				if (!mutation) continue
+				// Normalize LID→PN in sync action index[1] (chat/contact ID)
+				if (mutation.index[1] && isAnyLidUser(mutation.index[1])) {
+					const resolved = await resolveLidToPn(mutation.index[1], lidMapping, logger)
+					if (resolved) mutation.index[1] = resolved
+				}
+
 				onMutation(mutation)
 			}
 		}
@@ -912,16 +920,16 @@ export const makeChatsSocket = (config: SocketConfig) => {
 		})
 	}
 
-	const handlePresenceUpdate = ({ tag, attrs, content }: BinaryNode) => {
+	const handlePresenceUpdate = async ({ tag, attrs, content }: BinaryNode) => {
 		let presence: PresenceData | undefined
-		const jid = attrs.from
+		const rawJid = attrs.from
-		const participant = attrs.participant || attrs.from
+		const rawParticipant = attrs.participant || attrs.from
-		if (!jid) {
+		if (!rawJid) {
 			logger.warn({ attrs }, 'handlePresenceUpdate: jid (attrs.from) is missing, skipping')
 			return
 		}
 
-		if (shouldIgnoreJid(jid) && jid !== S_WHATSAPP_NET) {
+		if (shouldIgnoreJid(rawJid) && rawJid !== S_WHATSAPP_NET) {
 			return
 		}
 
@@ -933,7 +941,7 @@ export const makeChatsSocket = (config: SocketConfig) => {
 		} else if (Array.isArray(content)) {
 			const [firstChild] = content
 			if (!firstChild) {
-				logger.warn({ jid }, 'handlePresenceUpdate: firstChild content is empty, skipping')
+				logger.warn({ jid: rawJid }, 'handlePresenceUpdate: firstChild content is empty, skipping')
 				return
 			}
 
@@ -952,12 +960,19 @@ export const makeChatsSocket = (config: SocketConfig) => {
 		}
 
 		if (presence) {
-			if (!participant) {
+			if (!rawParticipant) {
-				logger.warn({ jid }, 'handlePresenceUpdate: participant is missing, skipping')
+				logger.warn({ jid: rawJid }, 'handlePresenceUpdate: participant is missing, skipping')
 				return
 			}
 
-			ev.emit('presence.update', { id: jid, presences: { [participant]: presence } })
+			// Resolve LID→PN so consumers always see phone-number JIDs
+			const lidMapping = signalRepository.lidMapping
+			const [jid, participant] = await Promise.all([
+				resolveLidToPn(rawJid, lidMapping, logger),
+				resolveLidToPn(rawParticipant, lidMapping, logger)
+			])
+
+			ev.emit('presence.update', { id: jid!, presences: { [participant!]: presence } })
 		}
 	}
 
@@ -1031,8 +1046,16 @@ export const makeChatsSocket = (config: SocketConfig) => {
 				undefined,
 				logger
 			)
+			const lidMapping = signalRepository.lidMapping
 			for (const key in mutationMap) {
-				onMutation(mutationMap[key]!)
+				const mutation = mutationMap[key]!
+				// Normalize LID→PN in sync action index[1] (chat/contact ID)
+				if (mutation.index[1] && isAnyLidUser(mutation.index[1])) {
+					const resolved = await resolveLidToPn(mutation.index[1], lidMapping, logger)
+					if (resolved) mutation.index[1] = resolved
+				}
+
+				onMutation(mutation)
 			}
 		}
 	}
@@ -1376,8 +1399,12 @@ export const makeChatsSocket = (config: SocketConfig) => {
 		}
 	})
 
-	ws.on('CB:presence', handlePresenceUpdate)
+	ws.on('CB:presence', (node: BinaryNode) => {
-	ws.on('CB:chatstate', handlePresenceUpdate)
+		handlePresenceUpdate(node).catch(err => onUnexpectedError(err, 'handling presence update'))
+	})
+	ws.on('CB:chatstate', (node: BinaryNode) => {
+		handlePresenceUpdate(node).catch(err => onUnexpectedError(err, 'handling chatstate update'))
+	})
 
 	ws.on('CB:ib,,dirty', async (node: BinaryNode) => {
 		const { attrs } = getBinaryNodeChild(node, 'dirty')!

src/Socket/groups.ts

@@ -1,7 +1,7 @@
 import { proto } from '../../WAProto/index.js'
 import type { GroupMetadata, GroupParticipant, ParticipantAction, SocketConfig, WAMessageKey } from '../Types'
 import { WAMessageAddressingMode, WAMessageStubType } from '../Types'
-import { generateMessageIDV2, unixTimestampSeconds } from '../Utils'
+import { generateMessageIDV2, resolveLidToPn, unixTimestampSeconds } from '../Utils'
 import {
 	type BinaryNode,
 	getBinaryNodeChild,
@@ -17,6 +17,43 @@ import { makeChatsSocket } from './chats'
 export const makeGroupsSocket = (config: SocketConfig) => {
 	const sock = makeChatsSocket(config)
 	const { authState, ev, query, upsertMessage } = sock
+	const { signalRepository } = sock
+	const { logger } = config
+
+	/** Normalize group metadata participant IDs from LID to PN */
+	const normalizeGroupMetadata = async (metadata: GroupMetadata): Promise<GroupMetadata> => {
+		const lidMapping = signalRepository.lidMapping
+
+		// Resolve all participant LIDs in parallel for better performance on large groups
+		await Promise.all(metadata.participants.map(async (p) => {
+			if (isLidUser(p.id)) {
+				if (p.phoneNumber) {
+					p.lid = p.id
+					p.id = p.phoneNumber
+				} else {
+					const resolved = await resolveLidToPn(p.id, lidMapping, logger)
+					if (resolved && resolved !== p.id) {
+						p.lid = p.id
+						p.id = resolved
+					}
+				}
+			}
+		}))
+
+		// Normalize owner/subjectOwner if LID (parallel)
+		const [resolvedOwner, resolvedSubjectOwner] = await Promise.all([
+			metadata.owner && isLidUser(metadata.owner)
+				? (metadata.ownerPn || resolveLidToPn(metadata.owner, lidMapping, logger))
+				: null,
+			metadata.subjectOwner && isLidUser(metadata.subjectOwner)
+				? (metadata.subjectOwnerPn || resolveLidToPn(metadata.subjectOwner, lidMapping, logger))
+				: null
+		])
+		if (resolvedOwner) metadata.owner = resolvedOwner
+		if (resolvedSubjectOwner) metadata.subjectOwner = resolvedSubjectOwner
+
+		return metadata
+	}
 
 	const groupQuery = async (jid: string, type: 'get' | 'set', content: BinaryNode[]) =>
 		query({
@@ -31,7 +68,7 @@ export const makeGroupsSocket = (config: SocketConfig) => {
 
 	const groupMetadata = async (jid: string) => {
 		const result = await groupQuery(jid, 'get', [{ tag: 'query', attrs: { request: 'interactive' } }])
-		return extractGroupMetadata(result)
+		return normalizeGroupMetadata(extractGroupMetadata(result))
 	}
 
 	const groupFetchAllParticipating = async () => {
@@ -58,16 +95,15 @@ export const makeGroupsSocket = (config: SocketConfig) => {
 		if (groupsChild) {
 			const groups = getBinaryNodeChildren(groupsChild, 'group')
 			for (const groupNode of groups) {
-				const meta = extractGroupMetadata({
+				const meta = await normalizeGroupMetadata(extractGroupMetadata({
 					tag: 'result',
 					attrs: {},
 					content: [groupNode]
-				})
+				}))
 				data[meta.id] = meta
 			}
 		}
 
-		// TODO: properly parse LID / PN DATA
 		sock.ev.emit('groups.update', Object.values(data))
 
 		return data
@@ -101,7 +137,7 @@ export const makeGroupsSocket = (config: SocketConfig) => {
 					}))
 				}
 			])
-			return extractGroupMetadata(result)
+			return normalizeGroupMetadata(extractGroupMetadata(result))
 		},
 		groupLeave: async (id: string) => {
 			await groupQuery('@g.us', 'set', [
@@ -277,7 +313,7 @@ export const makeGroupsSocket = (config: SocketConfig) => {
 		),
 		groupGetInviteInfo: async (code: string) => {
 			const results = await groupQuery('@g.us', 'get', [{ tag: 'invite', attrs: { code } }])
-			return extractGroupMetadata(results)
+			return normalizeGroupMetadata(extractGroupMetadata(results))
 		},
 		groupToggleEphemeral: async (jid: string, ephemeralExpiration: number) => {
 			const content: BinaryNode = ephemeralExpiration

src/Socket/messages-recv.ts

@@ -31,6 +31,7 @@ import {
 	aesDecryptCTR,
 	aesEncryptGCM,
 	cleanMessage,
+	cleanupCorruptedSession,
 	Curve,
 	decodeMediaRetryNode,
 	decodeMessageNode,
@@ -41,6 +42,7 @@ import {
 	encodeSignedDeviceIdentity,
 	extractAddressingContext,
 	getCallStatusFromNode,
+	getDecryptionJid,
 	getHistoryMsg,
 	getNextPreKeys,
 	getStatusFromReceiptType,
@@ -49,7 +51,9 @@ import {
 	MISSING_KEYS_ERROR_TEXT,
 	NACK_REASONS,
 	NO_MESSAGE_FOUND_ERROR_TEXT,
+	normalizeKeyLidToPn,
 	normalizeMessageJids,
+	resolveLidToPn,
 	SERVER_ERROR_CODES,
 	toNumber,
 	unixTimestampSeconds,
@@ -65,7 +69,7 @@ import {
 	recordMessageReceived,
 	recordMessageRetry
 } from '../Utils/prometheus-metrics.js'
-import { isTcTokenExpired, resolveTcTokenJid } from '../Utils/tc-token-utils'
+import { isTcTokenExpired, resolveTcTokenJid, storeTcTokensFromIqResult } from '../Utils/tc-token-utils'
 import {
 	areJidsSameUser,
 	type BinaryNode,
@@ -160,6 +164,12 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 	const TC_TOKEN_PRUNE_TS_KEY = '__prune_ts'
 	const tcTokenKnownJids = new Set<string>()
 	const tcTokenRetriedMsgIds = new Set<string>()
+
+	// Deduplicates retry requests per JID within a short window.
+	// When a burst of Bad MAC errors arrives for the same contact,
+	// only the first retry request is sent — the peer resends everything
+	// with a single pkmsg, avoiding the close-session cascade.
+	const retryRequestActiveJids = new Set<string>()
 	let tcTokenIndexSaveTimer: ReturnType<typeof setTimeout> | undefined
 	let lastTcTokenPruneTs = 0
 
@@ -365,10 +375,14 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 			case 'NotificationNewsletterAdminPromote':
 				for (const update of updates) {
 					if (update.jid && update.user) {
+						const [resolvedAuthor, resolvedUser] = await Promise.all([
+							resolveLidToPn(node.attrs.from!, signalRepository.lidMapping, logger),
+							resolveLidToPn(update.user, signalRepository.lidMapping, logger)
+						])
 						ev.emit('newsletter-participants.update', {
 							id: update.jid,
-							author: node.attrs.from!,
+							author: resolvedAuthor || node.attrs.from!,
-							user: update.user,
+							user: resolvedUser || update.user,
 							new_role: 'ADMIN',
 							action: 'promote'
 						})
@@ -387,7 +401,9 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 	const handleNewsletterNotification = async (node: BinaryNode) => {
 		const from = node.attrs.from!
 		const child = getAllBinaryNodeChildren(node)[0]!
-		const author = node.attrs.participant!
+		const rawAuthor = node.attrs.participant!
+		// Resolve author LID→PN (participant is a user JID that could be LID)
+		const author = await resolveLidToPn(rawAuthor, signalRepository.lidMapping, logger) || rawAuthor
 
 		logger.info({ from, child }, 'got newsletter notification')
 
@@ -414,10 +430,11 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				break
 
 			case 'participant':
+				const resolvedParticipantUser = await resolveLidToPn(child.attrs.jid!, signalRepository.lidMapping, logger) || child.attrs.jid!
 				const participantUpdate = {
 					id: from,
 					author,
-					user: child.attrs.jid!,
+					user: resolvedParticipantUser,
 					action: child.attrs.action!,
 					new_role: child.attrs.role!
 				}
@@ -1200,12 +1217,50 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 		const { key: msgKey } = fullMessage
 		const msgId = msgKey.id!
 
+		// Per-JID deduplication: when multiple messages from the same contact
+		// fail with Bad MAC simultaneously, only send ONE retry request.
+		// The peer will resend all failed messages when it receives the retry receipt.
+		// For group messages, scope by participant (each participant has its own Signal session).
+		const retryDedupeJid = msgKey.participant
+			? jidNormalizedUser(msgKey.participant)
+			: jidNormalizedUser(node.attrs.from!)
+		if (retryRequestActiveJids.has(retryDedupeJid)) {
+			logger.debug(
+				{ fromJid: retryDedupeJid, msgId },
+				'Skipping duplicate retry request — already in-flight for this JID'
+			)
+			return
+		}
+
 		if (messageRetryManager) {
 			// Check if we've exceeded max retries using the new system
 			if (messageRetryManager.hasExceededMaxRetries(msgId)) {
 				logger.debug({ msgId }, 'reached retry limit with new retry manager, clearing')
 				messageRetryManager.markRetryFailed(msgId)
 				recordMessageFailure('retry', 'max_retries_reached')
+
+				// Safety net: clean up corrupted sessions only after all retries exhausted.
+				// This avoids the cascading delete loop that occurs when cleanup runs
+				// on every Bad MAC in the hot path (decode-wa-message.ts).
+				// The Signal Protocol recovers naturally via retry+pkmsg for most cases;
+				// this cleanup only runs as a last resort.
+				// For group messages, use participant JID (Signal sessions are per-participant, not per-group).
+				if (autoCleanCorrupted) {
+					const senderJid = msgKey.participant ? jidNormalizedUser(msgKey.participant) : jidNormalizedUser(node.attrs.from!)
+					try {
+						const decryptionJid = await getDecryptionJid(senderJid, signalRepository)
+						const deletedCount = await cleanupCorruptedSession(decryptionJid, signalRepository, logger)
+						if (deletedCount > 0) {
+							logger.info(
+								{ msgId, jid: decryptionJid, targetedDevices: deletedCount },
+								`🔄 Session cleanup (retry exhausted) | Targeted: ${deletedCount} devices`
+							)
+						}
+					} catch (cleanupErr) {
+						logger.warn({ msgId, senderJid, err: cleanupErr }, 'Failed to cleanup session after retry exhaustion')
+					}
+				}
+
 				return
 			}
 
@@ -1224,6 +1279,18 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				logger.debug({ retryCount, msgId }, 'reached retry limit, clearing')
 				await msgRetryCache.del(key)
 				recordMessageFailure('retry', 'max_retries_reached')
+
+				// Safety net cleanup (same as new system above)
+				if (autoCleanCorrupted) {
+					const senderJid = msgKey.participant ? jidNormalizedUser(msgKey.participant) : jidNormalizedUser(node.attrs.from!)
+					try {
+						const decryptionJid = await getDecryptionJid(senderJid, signalRepository)
+						await cleanupCorruptedSession(decryptionJid, signalRepository, logger)
+					} catch (cleanupErr) {
+						logger.warn({ msgId, senderJid, err: cleanupErr }, 'Failed to cleanup session after retry exhaustion')
+					}
+				}
+
 				return
 			}
 
@@ -1232,6 +1299,11 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 			recordMessageRetry('retry')
 		}
 
+		// Register dedup AFTER early-return checks so that max-retries paths
+		// don't block subsequent messages from the same JID for 5 seconds.
+		retryRequestActiveJids.add(retryDedupeJid)
+		setTimeout(() => retryRequestActiveJids.delete(retryDedupeJid), 5_000)
+
 		const key = `${msgId}:${msgKey?.participant}`
 		const retryCount = (await msgRetryCache.get<number>(key)) || 1
 
@@ -1242,7 +1314,7 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 		let shouldRecreateSession = false
 		let recreateReason = ''
 
-		if (enableAutoSessionRecreation && messageRetryManager && retryCount > 1) {
+		if (enableAutoSessionRecreation && messageRetryManager && retryCount >= 1) {
 			try {
 				// Check if we have a session with this JID
 				const sessionId = signalRepository.jidToSignalProtocolAddress(fromJid)
@@ -1381,6 +1453,7 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 			})
 
 			// When a session is refreshed (identity change), re-issue tctoken fire-and-forget
+			// WABA Android: reissue stores senderTimestamp + realIssueTimestamp after IQ success
 			if (result.action === 'session_refreshed') {
 				const normalizedJid = jidNormalizedUser(from)
 				resolveTcTokenJid(normalizedJid, getLIDForPN)
@@ -1390,9 +1463,36 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 						if (entry?.token?.length && !isTcTokenExpired(entry.timestamp)) {
 							const senderTs = unixTimestampSeconds()
 							logTcToken('reissue', { jid: normalizedJid, reason: 'session_refreshed' })
-							getPrivacyTokens([normalizedJid], senderTs).catch(err => {
+							getPrivacyTokens([normalizedJid], senderTs)
-								logTcToken('reissue_fail', { jid: normalizedJid, error: err?.message })
+								.then(async (iqResult) => {
-							})
+									await storeTcTokensFromIqResult({
+										result: iqResult,
+										fallbackJid: normalizedJid,
+										keys: authState.keys,
+										getLIDForPN,
+										onNewJidStored: (storedJid) => {
+											tcTokenKnownJids.add(storedJid)
+											scheduleTcTokenIndexSave()
+										}
+									})
+									// Persist senderTimestamp + realIssueTimestamp after IQ success
+									const currentData = await authState.keys.get('tctoken', [tcJid])
+									const currentEntry = currentData[tcJid]
+									await authState.keys.set({
+										tctoken: {
+											[tcJid]: {
+												...currentEntry,
+												token: currentEntry?.token ?? Buffer.alloc(0),
+												senderTimestamp: senderTs,
+												realIssueTimestamp: 0
+											}
+										}
+									})
+									logTcToken('reissue_ok', { jid: normalizedJid, reason: 'session_refreshed' })
+								})
+								.catch(err => {
+									logTcToken('reissue_fail', { jid: normalizedJid, error: err?.message })
+								})
 						}
 					})
 					.catch(() => {
@@ -1406,8 +1506,8 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 		}
 	}
 
-	const handleGroupNotification = (fullNode: BinaryNode, child: BinaryNode, msg: Partial<WAMessage>) => {
+	const handleGroupNotification = async (fullNode: BinaryNode, child: BinaryNode, msg: Partial<WAMessage>) => {
-		// TODO: Support PN/LID (Here is only LID now)
+		const lidMapping = signalRepository.lidMapping
 
 		const actingParticipantLid = fullNode.attrs.participant
 		const actingParticipantPn = fullNode.attrs.participant_pn
@@ -1415,13 +1515,52 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 		const affectedParticipantLid = getBinaryNodeChild(child, 'participant')?.attrs?.jid || actingParticipantLid!
 		const affectedParticipantPn = getBinaryNodeChild(child, 'participant')?.attrs?.phone_number || actingParticipantPn!
 
+		// Resolve acting participant to PN — prefer inline PN, fall back to LID→PN resolution
+		const actingParticipant = actingParticipantPn
+			|| await resolveLidToPn(actingParticipantLid, lidMapping, logger)
+
+		// Resolve affected participant to PN
+		const affectedParticipant = affectedParticipantPn
+			|| await resolveLidToPn(affectedParticipantLid, lidMapping, logger)
+
+		// Store LID↔PN mappings from notification attributes
+		const mappingsToStore: Array<{ lid: string; pn: string }> = []
+		if (actingParticipantLid && actingParticipantPn && isLidUser(actingParticipantLid) && isPnUser(actingParticipantPn)) {
+			mappingsToStore.push({ lid: actingParticipantLid, pn: actingParticipantPn })
+		}
+
 		switch (child?.tag) {
 			case 'create':
 				const metadata = extractGroupMetadata(child)
 
+				// Normalize group metadata participant IDs to PN
+				for (const p of metadata.participants) {
+					if (isLidUser(p.id)) {
+						// Use inline phoneNumber if available, otherwise resolve via mapping
+						if (p.phoneNumber) {
+							// Store the mapping
+							mappingsToStore.push({ lid: p.id, pn: p.phoneNumber })
+							p.lid = p.id
+							p.id = p.phoneNumber
+						} else {
+							const resolved = await resolveLidToPn(p.id, lidMapping, logger)
+							if (resolved && resolved !== p.id) {
+								p.lid = p.id
+								p.id = resolved
+							}
+						}
+					}
+				}
+
+				// Resolve metadata owner to PN
+				if (metadata.owner && isLidUser(metadata.owner)) {
+					const resolvedOwner = metadata.ownerPn || await resolveLidToPn(metadata.owner, lidMapping, logger)
+					if (resolvedOwner) metadata.owner = resolvedOwner
+				}
+
 				msg.messageStubType = WAMessageStubType.GROUP_CREATE
 				msg.messageStubParameters = [metadata.subject]
-				msg.key = { participant: metadata.owner, participantAlt: metadata.ownerPn }
+				msg.key = { participant: actingParticipant }
 
 				ev.emit('chats.upsert', [
 					{
@@ -1433,8 +1572,7 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				ev.emit('groups.upsert', [
 					{
 						...metadata,
-						author: actingParticipantLid,
+						author: actingParticipant
-						authorPn: actingParticipantPn
 					}
 				])
 				break
@@ -1448,8 +1586,13 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				}
 				break
 			case 'modify':
-				const oldNumber = getBinaryNodeChildren(child, 'participant').map(p => p.attrs.jid!)
+				const oldNumbers = await Promise.all(
-				msg.messageStubParameters = oldNumber || []
+					getBinaryNodeChildren(child, 'participant').map(async p => {
+						const resolved = await resolveLidToPn(p.attrs.jid!, lidMapping, logger)
+						return resolved || p.attrs.jid!
+					})
+				)
+				msg.messageStubParameters = oldNumbers || []
 				msg.messageStubType = WAMessageStubType.GROUP_PARTICIPANT_CHANGE_NUMBER
 				break
 			case 'promote':
@@ -1460,21 +1603,48 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				const stubType = `GROUP_PARTICIPANT_${child.tag.toUpperCase()}`
 				msg.messageStubType = WAMessageStubType[stubType as keyof typeof WAMessageStubType]
 
-				const participants = getBinaryNodeChildren(child, 'participant').map(({ attrs }) => {
+				const participants = await Promise.all(
-					// TODO: Store LID MAPPINGS
+					getBinaryNodeChildren(child, 'participant').map(async ({ attrs }) => {
-					return {
+						const rawJid = attrs.jid!
-						id: attrs.jid!,
+						let id = rawJid
-						phoneNumber: isLidUser(attrs.jid) && isPnUser(attrs.phone_number) ? attrs.phone_number : undefined,
+						let phoneNumber: string | undefined
-						lid: isPnUser(attrs.jid) && isLidUser(attrs.lid) ? attrs.lid : undefined,
+						let lid: string | undefined
-						admin: (attrs.type || null) as GroupParticipant['admin']
+
-					}
+						if (isLidUser(rawJid)) {
-				})
+							// Primary is LID — resolve to PN
+							phoneNumber = isPnUser(attrs.phone_number) ? attrs.phone_number : undefined
+							if (phoneNumber) {
+								mappingsToStore.push({ lid: rawJid, pn: phoneNumber })
+								lid = rawJid
+								id = phoneNumber
+							} else {
+								const resolved = await resolveLidToPn(rawJid, lidMapping, logger)
+								if (resolved && resolved !== rawJid) {
+									lid = rawJid
+									id = resolved
+								}
+							}
+						} else if (isPnUser(rawJid) && isLidUser(attrs.lid)) {
+							// Primary is PN — store LID for reference
+							lid = attrs.lid
+							mappingsToStore.push({ lid: attrs.lid!, pn: rawJid })
+						}
+
+						return {
+							id,
+							phoneNumber,
+							lid,
+							admin: (attrs.type || null) as GroupParticipant['admin']
+						}
+					})
+				)
 
 				if (
 					participants.length === 1 &&
 					// if recv. "remove" message and sender removed themselves
 					// mark as left
-					(areJidsSameUser(participants[0]!.id, actingParticipantLid) ||
+					(areJidsSameUser(participants[0]!.id, actingParticipant) ||
+						areJidsSameUser(participants[0]!.id, actingParticipantLid) ||
 						areJidsSameUser(participants[0]!.id, actingParticipantPn)) &&
 					child.tag === 'remove'
 				) {
@@ -1525,21 +1695,27 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 			case 'created_membership_requests':
 				msg.messageStubType = WAMessageStubType.GROUP_MEMBERSHIP_JOIN_APPROVAL_REQUEST_NON_ADMIN_ADD
 				msg.messageStubParameters = [
-					JSON.stringify({ lid: affectedParticipantLid, pn: affectedParticipantPn }),
+					JSON.stringify({ lid: affectedParticipantLid, pn: affectedParticipant }),
 					'created',
 					child.attrs.request_method!
 				]
 				break
 			case 'revoked_membership_requests':
 				const isDenied = areJidsSameUser(affectedParticipantLid, actingParticipantLid)
-				// TODO: LIDMAPPING SUPPORT
 				msg.messageStubType = WAMessageStubType.GROUP_MEMBERSHIP_JOIN_APPROVAL_REQUEST_NON_ADMIN_ADD
 				msg.messageStubParameters = [
-					JSON.stringify({ lid: affectedParticipantLid, pn: affectedParticipantPn }),
+					JSON.stringify({ lid: affectedParticipantLid, pn: affectedParticipant }),
 					isDenied ? 'revoked' : 'rejected'
 				]
 				break
 		}
+
+		// Persist any LID↔PN mappings discovered from notification attributes
+		if (mappingsToStore.length) {
+			await lidMapping.storeLIDPNMappings(mappingsToStore).catch(err => {
+				logger.warn({ err, count: mappingsToStore.length }, 'Failed to store LID↔PN mappings from group notification')
+			})
+		}
 	}
 
 	const processNotification = async (node: BinaryNode) => {
@@ -1556,11 +1732,12 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				await handleMexNewsletterNotification(node)
 				break
 			case 'w:gp2':
-				// TODO: HANDLE PARTICIPANT_PN
+				await handleGroupNotification(node, child!, result)
-				handleGroupNotification(node, child!, result)
 				break
 			case 'mediaretry':
 				const event = decodeMediaRetryNode(node)
+				// Normalize LID→PN in media retry key before emitting
+				await normalizeKeyLidToPn(event.key, signalRepository.lidMapping, logger)
 				ev.emit('messages.media-update', [event])
 				break
 			case 'encrypt':
@@ -1591,13 +1768,16 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				const setPicture = getBinaryNodeChild(node, 'set')
 				const delPicture = getBinaryNodeChild(node, 'delete')
 
-				// TODO: WAJIDHASH stuff proper support inhouse
+				{
-				ev.emit('contacts.update', [
+					const rawPictureJid = jidNormalizedUser(node?.attrs?.from) || (setPicture || delPicture)?.attrs?.hash || ''
-					{
+					const pictureJid = await resolveLidToPn(rawPictureJid, signalRepository.lidMapping, logger) || rawPictureJid
-						id: jidNormalizedUser(node?.attrs?.from) || (setPicture || delPicture)?.attrs?.hash || '',
+					ev.emit('contacts.update', [
-						imgUrl: setPicture ? 'changed' : 'removed'
+						{
-					}
+							id: pictureJid,
-				])
+							imgUrl: setPicture ? 'changed' : 'removed'
+						}
+					])
+				}
 
 				if (isJidGroup(from)) {
 					const node = setPicture || delPicture
@@ -1635,7 +1815,8 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 					const blocklists = getBinaryNodeChildren(child, 'item')
 
 					for (const { attrs } of blocklists) {
-						const blocklist = [attrs.jid!]
+						const resolvedBlockJid = await resolveLidToPn(attrs.jid!, signalRepository.lidMapping, logger) || attrs.jid!
+						const blocklist = [resolvedBlockJid]
 						const type = attrs.action === 'block' ? 'add' : 'remove'
 						ev.emit('blocklist.update', { blocklist, type })
 					}
@@ -1759,7 +1940,10 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 						[storageJid]: {
 							...existing,
 							token: Buffer.from(content),
-							timestamp
+							timestamp,
+							// WABA Android: resets real_issue_timestamp when a new incoming token arrives
+							// (UPDATE wa_trusted_contacts_send SET real_issue_timestamp=null)
+							realIssueTimestamp: null
 						}
 					}
 				})
@@ -1849,7 +2033,7 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 		let shouldRecreateSession = false
 		let recreateReason = ''
 
-		if (enableAutoSessionRecreation && messageRetryManager && retryCount > 1) {
+		if (enableAutoSessionRecreation && messageRetryManager && retryCount >= 1) {
 			try {
 				const sessionId = signalRepository.jidToSignalProtocolAddress(participant)
 
@@ -1927,6 +2111,15 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 			participant: attrs.participant
 		}
 
+		// Normalize LID→PN in receipt key so events always emit PN JIDs
+		const lidMapping = signalRepository.lidMapping
+		const [resolvedRemoteJid, resolvedParticipant] = await Promise.all([
+			resolveLidToPn(key.remoteJid, lidMapping, logger),
+			resolveLidToPn(key.participant, lidMapping, logger)
+		])
+		if (resolvedRemoteJid) key.remoteJid = resolvedRemoteJid
+		if (resolvedParticipant) key.participant = resolvedParticipant
+
 		if (shouldIgnoreJid(remoteJid!) && remoteJid !== S_WHATSAPP_NET) {
 			logger.trace({ remoteJid }, 'ignoring receipt from jid')
 			await sendMessageAck(node)
@@ -1953,12 +2146,13 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 							if (attrs.participant) {
 								const updateKey: keyof MessageUserReceipt =
 									status === proto.WebMessageInfo.Status.DELIVERY_ACK ? 'receiptTimestamp' : 'readTimestamp'
+								const resolvedReceiptUserJid = await resolveLidToPn(attrs.participant, lidMapping, logger) || jidNormalizedUser(attrs.participant)
 								ev.emit(
 									'message-receipt.update',
 									ids.map(id => ({
 										key: { ...key, id },
 										receipt: {
-											userJid: jidNormalizedUser(attrs.participant),
+											userJid: jidNormalizedUser(resolvedReceiptUserJid),
 											[updateKey]: +attrs.t!
 										}
 									}))
@@ -2071,7 +2265,6 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 			authState.creds.me!.lid || '',
 			signalRepository,
 			logger,
-			autoCleanCorrupted
 		)
 
 		const alt = msg.key.participantAlt || msg.key.remoteJidAlt
@@ -2087,10 +2280,11 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				// Check if mapping already exists to avoid unnecessary storage operations
 				const existingMapping = await signalRepository.lidMapping.getPNForLID(alt)
 				if (!existingMapping) {
-					// Store mapping in background (non-critical, doesn't block decrypt)
+					// MUST await: normalizeMessageJids() runs after this and needs the mapping
-					signalRepository.lidMapping
+					// in the LIDMappingStore to resolve LID→PN for events delivered to consumers
+					await signalRepository.lidMapping
 						.storeLIDPNMappings([{ lid: alt, pn: primaryJid }])
-						.catch(error => logger.warn({ error, alt, primaryJid }, 'Background LID mapping storage failed'))
+						.catch(error => logger.warn({ error, alt, primaryJid }, 'LID mapping storage failed'))
 				}
 
 				// CRITICAL: ALWAYS migrate session, even if mapping exists
@@ -2103,10 +2297,11 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				// Check if reverse mapping exists
 				const existingMapping = await signalRepository.lidMapping.getLIDForPN(alt)
 				if (!existingMapping) {
-					// Store mapping in background (non-critical)
+					// MUST await: normalizeMessageJids() runs after this and needs the mapping
-					signalRepository.lidMapping
+					// in the LIDMappingStore to resolve LID→PN for events delivered to consumers
+					await signalRepository.lidMapping
 						.storeLIDPNMappings([{ lid: primaryJid, pn: alt }])
-						.catch(error => logger.warn({ error, alt, primaryJid }, 'Background LID mapping storage failed'))
+						.catch(error => logger.warn({ error, alt, primaryJid }, 'LID mapping storage failed'))
 				}
 
 				// CRITICAL: ALWAYS migrate session, even if mapping exists
@@ -2607,6 +2802,26 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				await callOfferCache.del(call.id)
 			}
 
+			// Normalize LID→PN in call event JIDs before emitting to consumers
+			const callLidMapping = signalRepository.lidMapping
+			const [resolvedChatId, resolvedFrom, resolvedLinkCreator] = await Promise.all([
+				resolveLidToPn(call.chatId, callLidMapping, logger),
+				resolveLidToPn(call.from, callLidMapping, logger),
+				resolveLidToPn(call.linkCreator, callLidMapping, logger)
+			])
+			if (resolvedChatId) call.chatId = resolvedChatId
+			if (resolvedFrom) call.from = resolvedFrom
+			if (resolvedLinkCreator) call.linkCreator = resolvedLinkCreator
+			// Resolve participant JIDs in parallel
+			if (call.participants) {
+				await Promise.all(call.participants.map(async (p) => {
+					if (p.jid) {
+						const resolved = p.userPn || await resolveLidToPn(p.jid, callLidMapping, logger)
+						if (resolved) p.jid = resolved
+					}
+				}))
+			}
+
 			ev.emit('call', [call])
 		}
 
@@ -2615,6 +2830,7 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 
 	const handleBadAck = async ({ attrs }: BinaryNode) => {
 		const key: WAMessageKey = { remoteJid: attrs.from, fromMe: true, id: attrs.id }
+		await normalizeKeyLidToPn(key, signalRepository.lidMapping, logger)
 
 		// WARNING: REFRAIN FROM ENABLING THIS FOR NOW. IT WILL CAUSE A LOOP
 		// // current hypothesis is that if pash is sent in the ack
@@ -2638,6 +2854,24 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				const jid = jidNormalizedUser(attrs.from)
 				logTcToken('error_463', { jid, msgId })
 
+				// WABA Android: error 463 triggers getPrivacyTokens() fire-and-forget
+				// to ensure token is available for the retry below
+				getPrivacyTokens([jid])
+					.then(async (result) => {
+						await storeTcTokensFromIqResult({
+							result,
+							fallbackJid: jid,
+							keys: authState.keys,
+							getLIDForPN,
+							onNewJidStored: (storedJid) => {
+								tcTokenKnownJids.add(storedJid)
+								scheduleTcTokenIndexSave()
+							}
+						})
+						logTcToken('fetched', { jid, reason: 'error_463' })
+					})
+					.catch(() => { /* fire-and-forget */ })
+
 				// Single-retry: wait 1.5s for the server's tctoken notification to arrive,
 				// then resend. A Set prevents infinite retry loops.
 				// Composite key (jid:msgId) ensures retries are isolated per destination.
@@ -2673,7 +2907,24 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 					return
 				}
 			} else if (attrs.error === SERVER_ERROR_CODES.SmaxInvalid) {
-				logTcToken('error_479', { jid: attrs.from, msgId: attrs.id })
+				const jid479 = jidNormalizedUser(attrs.from)
+				logTcToken('error_479', { jid: jid479, msgId: attrs.id })
+				// WABA Android: error 479 (SmaxInvalid) also triggers token re-fetch
+				getPrivacyTokens([jid479])
+					.then(async (result) => {
+						await storeTcTokensFromIqResult({
+							result,
+							fallbackJid: jid479,
+							keys: authState.keys,
+							getLIDForPN,
+							onNewJidStored: (storedJid) => {
+								tcTokenKnownJids.add(storedJid)
+								scheduleTcTokenIndexSave()
+							}
+						})
+						logTcToken('fetched', { jid: jid479, reason: 'error_479' })
+					})
+					.catch(() => { /* fire-and-forget */ })
 			} else {
 				logger.warn({ attrs }, 'received error in ack')
 			}
@@ -2802,10 +3053,12 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 	// Top-level <relay> stanzas carry TURN server info, tokens and crypto keys
 	ws.on('CB:relay', async (node: BinaryNode) => {
 		const callId = node.attrs['call-id']
-		const callCreator = node.attrs['call-creator']
+		const rawCallCreator = node.attrs['call-creator']
 		// Both callId and callCreator must be present to emit a valid event
 		// (call link relays may arrive without these attrs — just log them)
-		if (callId && callCreator) {
+		if (callId && rawCallCreator) {
+			// Resolve LID→PN for call creator
+			const callCreator = await resolveLidToPn(rawCallCreator, signalRepository.lidMapping, logger) || rawCallCreator
 			logger.debug(
 				{ callId, callCreator, uuid: node.attrs.uuid },
 				'received relay info'

src/Socket/socket.ts

@@ -38,7 +38,7 @@ import {
 	signedKeyPair,
 	xmppSignedPreKey
 } from '../Utils'
-import { getPlatformId } from '../Utils/browser-utils'
+import { getPlatformId, isAndroidBrowser } from '../Utils/browser-utils'
 import {
 	CircuitBreaker,
 	CircuitOpenError,
@@ -634,8 +634,6 @@ export const makeSocket = (config: SocketConfig) => {
 		}
 		helloMsg = proto.HandshakeMessage.fromObject(helloMsg)
 
-		logger.info({ browser, helloMsg }, 'connected to WA')
-
 		const init = proto.HandshakeMessage.encode(helloMsg).finish()
 
 		const result = await awaitNextMessage<Uint8Array>(init)
@@ -1352,6 +1350,25 @@ export const makeSocket = (config: SocketConfig) => {
 			id: jidEncode(phoneNumber, 's.whatsapp.net'),
 			name: '~'
 		}
+
+		// Pair code companion_platform_id must be Chrome (1) when using Android
+		// browser preset. ANDROID_PHONE (16) causes silent timeout (server ignores),
+		// UWP (21) causes "cannot connect device" rejection. Only Chrome (1) works
+		// for pair code via web protocol (WA\x06\x03). The device still appears as
+		// "Android" in linked devices because DeviceProps.platformType=ANDROID_PHONE
+		// is set separately in the registration node.
+		const isAndroid = isAndroidBrowser(browser)
+		const pairPlatformId = isAndroid ? getPlatformId('Chrome') : getPlatformId(browser[1])
+		const pairPlatformDisplay = isAndroid ? 'Chrome (Mac OS)' : `${browser[1]} (${browser[0]})`
+
+		logger.info({
+			pairCode: pairingCode,
+			jid: authState.creds.me.id,
+			companionPlatformId: pairPlatformId,
+			companionPlatformDisplay: pairPlatformDisplay,
+			isAndroid,
+		}, `pair code requested | companion: ${pairPlatformDisplay} | ${isAndroid ? 'android override -> Chrome' : 'native platform'}`)
+
 		ev.emit('creds.update', authState.creds)
 		await sendNode({
 			tag: 'iq',
@@ -1384,12 +1401,12 @@ export const makeSocket = (config: SocketConfig) => {
 						{
 							tag: 'companion_platform_id',
 							attrs: {},
-							content: getPlatformId(browser[1])
+							content: pairPlatformId
 						},
 						{
 							tag: 'companion_platform_display',
 							attrs: {},
-							content: `${browser[1]} (${browser[0]})`
+							content: pairPlatformDisplay
 						},
 						{
 							tag: 'link_code_pairing_nonce',
@@ -1519,7 +1536,9 @@ export const makeSocket = (config: SocketConfig) => {
 	})
 	// login complete
 	ws.on('CB:success', async (node: BinaryNode) => {
-		logger.info('opened connection to WA')
+		const isAndroid = isAndroidBrowser(browser)
+		const phoneId = authState.creds.me?.id?.split(':')[0]?.split('@')[0] || 'new session'
+		logger.info(`${isAndroid ? '\uD83D\uDCF1' : '\uD83D\uDDA5\uFE0F'} Connected to WA | ${phoneId} | platform: ${isAndroid ? 'SMB_ANDROID' : 'MACOS'} | device: ${isAndroid ? 'Android' : 'Desktop'} | platformType: ${isAndroid ? 'ANDROID_PHONE' : 'CHROME'}`)
 		clearTimeout(qrTimer) // will never happen in all likelyhood -- but just in case WA sends success on first try
 
 		ev.emit('creds.update', { me: { ...authState.creds.me!, lid: node.attrs.lid } })

src/Types/Auth.ts

@@ -80,7 +80,7 @@ export type SignalDataTypeMap = {
 	'app-state-sync-version': LTHashState
 	'lid-mapping': string
 	'device-list': string[]
-	tctoken: { token: Buffer; timestamp?: string; senderTimestamp?: number }
+	tctoken: { token: Buffer; timestamp?: string; senderTimestamp?: number; realIssueTimestamp?: number | null }
 	/** Identity key for Signal Protocol - used for detecting contact reinstalls */
 	'identity-key': Uint8Array
 }

src/Types/Message.ts

@@ -54,12 +54,14 @@ export type WAMediaUpload = Buffer | WAMediaPayloadStream | WAMediaPayloadURL
  * Individual sticker in a sticker pack
  */
 export type Sticker = {
-	/** Buffer, Stream or URL of the sticker image (will be converted to WebP if needed) */
+	/** Buffer, Stream or URL of the sticker image (WebP or Lottie/WAS format) */
 	data: WAMediaUpload
 	/** Array of emojis associated with this sticker (max 3 recommended per WhatsApp standards) */
 	emojis?: string[]
 	/** Accessibility label for screen readers (max 125 chars for static, 255 for animated) */
 	accessibilityLabel?: string
+	/** Force Lottie format detection (auto-detected if omitted) */
+	isLottie?: boolean
 }
 
 /**

src/Types/index.ts

@@ -23,6 +23,7 @@ export type BrowsersMap = {
 	baileys(browser: string): [string, string, string]
 	windows(browser: string): [string, string, string]
 	appropriate(browser: string): [string, string, string]
+	android(apiLevel: string): [string, string, string]
 }
 
 export enum DisconnectReason {

src/Utils/browser-utils.ts

@@ -94,7 +94,13 @@ const BROWSER_TO_PLATFORM_ID: ReadonlyMap<string, string> = (() => {
 		}
 	}
 
-	return new Map(entries)
+	const map = new Map(entries)
+	// ANDROID → ANDROID_PHONE alias (DeviceProps.PlatformType has ANDROID_PHONE but not ANDROID)
+	if (!map.has('ANDROID') && map.has('ANDROID_PHONE')) {
+		map.set('ANDROID', map.get('ANDROID_PHONE')!)
+	}
+
+	return map
 })()
 
 // ============================================================
@@ -331,7 +337,8 @@ export const Browsers: BrowsersMap = {
 	macOS: (browser: string): [string, string, string] => ['Mac OS', browser, OS_VERSIONS.macOS],
 	windows: (browser: string): [string, string, string] => ['Windows', browser, OS_VERSIONS.windows],
 	baileys: (browser: string): [string, string, string] => ['Baileys', browser, OS_VERSIONS.baileys],
-	appropriate: (browser: string): [string, string, string] => [getPlatformName(), browser, getAppropriateVersion()]
+	appropriate: (browser: string): [string, string, string] => [getPlatformName(), browser, getAppropriateVersion()],
+	android: (apiLevel: string): [string, string, string] => [apiLevel, 'Android', '']
 } as const
 
 /**
@@ -378,7 +385,7 @@ export const getPlatformId = (browser: unknown): string => {
  * properties like 'toString' or 'constructor'.
  *
  * @param value - Value to check
- * @returns True if value is a valid browser preset key ('ubuntu', 'macOS', 'windows', 'baileys', 'appropriate')
+ * @returns True if value is a valid browser preset key ('ubuntu', 'macOS', 'windows', 'baileys', 'appropriate', 'android')
  *
  * @example
  * isValidBrowserPreset('ubuntu')      // true
@@ -391,6 +398,16 @@ export const getPlatformId = (browser: unknown): string => {
  *   const config = Browsers[userInput]('MyApp')
  * }
  */
+/**
+ * Checks if the browser tuple represents an Android companion device.
+ *
+ * @param browser - Browser tuple [os, platform, version]
+ * @returns True if platform is 'Android' (case-insensitive)
+ */
+export const isAndroidBrowser = (browser: [string, string, string]): boolean => {
+	return browser[1]?.toUpperCase() === 'ANDROID'
+}
+
 export const isValidBrowserPreset = (value: unknown): value is keyof BrowsersMap => {
 	return typeof value === 'string' && Object.prototype.hasOwnProperty.call(Browsers, value)
 }

src/Utils/decode-wa-message.ts

@@ -14,7 +14,6 @@ import {
 	isJidStatusBroadcast,
 	isLidUser,
 	isPnUser,
-	jidDecode
 	//	transferDevice
 } from '../WABinary'
 import { unpadRandomMax16 } from './generics'
@@ -276,7 +275,6 @@ export const decryptMessageNode = (
 	meLid: string,
 	repository: SignalRepositoryWithLIDStore,
 	logger: ILogger,
-	autoCleanCorrupted = true
 ) => {
 	const { fullMessage, author, sender } = decodeMessageNode(stanza, meId, meLid)
 	return {
@@ -422,34 +420,19 @@ export const decryptMessageNode = (
 							if (isRetryExhausted) {
 								logger.error(
 									errorContext,
-									`⚠️ Session corrupted and recovery failed after ${err.attempts} attempts. Auto-cleanup will attempt to recover.`
+									`⚠️ Session corrupted after ${err.attempts} attempts. Retry+pkmsg flow will recover.`
 								)
 							} else {
 								// First occurrence - log as warning since auto-recovery will attempt
 								logger.warn(errorContext, '⚠️ Corrupted session detected - attempting auto-recovery')
 							}
 
-							// Automatic cleanup of corrupted session (if enabled)
+							// Session cleanup is deferred to retry exhaustion (safety net).
-							// eslint-disable-next-line max-depth
+							// The Signal Protocol handles recovery naturally via retry+pkmsg:
-							if (autoCleanCorrupted) {
+							// Bad MAC -> retry receipt -> sender re-sends as pkmsg -> new session.
-								// eslint-disable-next-line max-depth
+							// Deleting sessions here (hot path) causes cascading failures when
-								try {
+							// multiple messages from the same contact arrive simultaneously.
-									const deletedCount = await cleanupCorruptedSession(decryptionJid, repository, logger)
+							// See: messages-recv.ts sendRetryRequest() for deferred cleanup.
-
-									// Mask only user portion of JID for privacy (preserve domain info)
-									const { user, server } = jidDecode(decryptionJid) || {}
-									const maskedUser =
-										user && user.length > 8 ? `${user.substring(0, 4)}****${user.substring(user.length - 4)}` : user
-									const maskedJid = maskedUser && server ? `${maskedUser}@${server}` : decryptionJid
-
-									logger.info(
-										{ jid: decryptionJid, maskedJid, targetedDevices: deletedCount },
-										`🔄 Session Reset | JID: ${maskedJid} | Targeted: ${deletedCount} devices | Will recreate on next message`
-									)
-								} catch (cleanupErr) {
-									logger.error({ decryptionJid, err: cleanupErr }, '❌ Failed to cleanup corrupted session')
-								}
-							}
 						} else if (isSessionRecord) {
 							// Session record errors are transient - retry should handle them
 							// eslint-disable-next-line max-depth
@@ -504,53 +487,20 @@ export function isCorruptedSessionError(error: any): boolean {
 }
 
 /**
- * Clean up corrupted session by deleting all device sessions for a JID
+ * Clean up corrupted session for a specific device JID.
- * Signal Protocol will automatically recreate the session on next message
+ * WABA behavior: DELETE sessions WHERE recipient_id=? AND device_id=?
+ * Only deletes the exact device that was corrupted, not all devices.
+ *
+ * NOTE: This should NOT be called on every Bad MAC error (hot path).
+ * Instead, let the retry+pkmsg flow handle recovery naturally (like WhatsApp does).
+ * Only call this as a safety net when retries are exhausted.
  */
-async function cleanupCorruptedSession(
+export async function cleanupCorruptedSession(
 	jid: string,
 	repository: SignalRepositoryWithLIDStore,
 	logger: ILogger
 ): Promise<number> {
-	const { user, device } = jidDecode(jid) || {}
+	await repository.deleteSession([jid])
-	if (!user) {
+	logger.info({ jid }, 'Cleaned up corrupted session for specific device')
-		logger.warn({ jid }, 'Cannot cleanup session - invalid JID')
+	return 1
-		return 0
-	}
-
-	// Build list of JIDs to delete (primary + secondary devices)
-	const jidsToDelete: string[] = []
-
-	// Determine domain type correctly (handle hosted JIDs)
-	// JID formats:
-	//   - PN: user@s.whatsapp.net
-	//   - LID: user@lid
-	//   - Hosted PN: user@hosted
-	//   - Hosted LID: user@hosted.lid
-	const isLID = jid.endsWith('@lid') || jid.endsWith('@hosted.lid')
-	const isHosted = jid.includes('@hosted')
-
-	let domain: string
-	if (isLID) {
-		domain = isHosted ? 'hosted.lid' : 'lid'
-	} else {
-		domain = isHosted ? 'hosted' : 's.whatsapp.net'
-	}
-
-	// Primary device (0)
-	jidsToDelete.push(`${user}@${domain}`)
-
-	// Secondary devices (1-5 common range for Web/Desktop/etc)
-	for (let i = 1; i <= 5; i++) {
-		jidsToDelete.push(`${user}:${i}@${domain}`)
-	}
-
-	// If specific device was identified and > 5, ensure it's included
-	if (device !== undefined && device > 5) {
-		jidsToDelete.push(`${user}:${device}@${domain}`)
-	}
-
-	await repository.deleteSession(jidsToDelete)
-
-	return jidsToDelete.length
 }

src/Utils/message-retry-manager.ts

@@ -211,15 +211,33 @@ export class MessageRetryManager {
 			}
 		}
 
-		// MAC errors require IMMEDIATE session recreation regardless of history
+		// MAC errors require session recreation, but rate-limited to prevent loops.
-		// This handles the case where contact reinstalled WhatsApp (identity key changed)
+		// When multiple messages fail with Bad MAC simultaneously, only the first
+		// should trigger recreation; subsequent ones within the cooldown window
+		// piggyback on the same new session established by the retry+pkmsg flow.
 		if (errorCode !== undefined && MAC_ERROR_CODES.has(errorCode)) {
-			this.sessionRecreateHistory.set(jid, Date.now())
+			const now = Date.now()
+			const prevTime = this.sessionRecreateHistory.get(jid)
+			const MAC_ERROR_COOLDOWN_MS = 1_000 // 1 second — WABA recovers faster
+
+			if (prevTime && now - prevTime < MAC_ERROR_COOLDOWN_MS) {
+				const reasonName = RetryReason[errorCode] || `code_${errorCode}`
+				this.logger.debug(
+					{ jid, errorCode: reasonName, msSinceLast: now - prevTime },
+					'MAC error session recreation skipped — cooldown active'
+				)
+				return {
+					reason: '',
+					recreate: false
+				}
+			}
+
+			this.sessionRecreateHistory.set(jid, now)
 			this.statistics.sessionRecreations++
 			const reasonName = RetryReason[errorCode] || `code_${errorCode}`
 			metrics.signalMacErrors?.inc({ action: 'session_recreation' })
 			metrics.signalSessionRecreations?.inc({ reason: 'mac_error' })
-			this.logger.warn({ jid, errorCode: reasonName }, 'MAC error detected, forcing immediate session recreation')
+			this.logger.warn({ jid, errorCode: reasonName }, 'MAC error detected, recreating session')
 			return {
 				reason: `MAC error (${reasonName}) - contact may have reinstalled WhatsApp`,
 				recreate: true

src/Utils/messages.ts

@@ -1228,19 +1228,57 @@ export const generateWAMessageContent = async (
 			options.logger?.info('Sending CTA buttons as nativeFlowMessage with viewOnceMessage wrapper')
 		}
 	}
-	// Check for nativeCarousel
+	// Check for nativeCarousel — inline handler (validated on Android, iOS, Web)
+	// Direct interactiveMessage at root (field 45), NO viewOnceMessage wrapper,
+	// NO messageContextInfo, NO biz/bot stanza nodes needed
 	else if (hasNonNullishProperty(message, 'nativeCarousel')) {
 		const carouselMsg = message as any
-		const carouselOptions: CarouselMessageOptions = {
+		const cards = carouselMsg.nativeCarousel.cards || []
-			cards: carouselMsg.nativeCarousel.cards,
+		const title = carouselMsg.nativeCarousel.title || carouselMsg.title
-			title: carouselMsg.nativeCarousel.title || carouselMsg.title,
+		const text = carouselMsg.text
-			text: carouselMsg.text,
+		const footer = carouselMsg.footer
-			footer: carouselMsg.footer
+
+		const carouselCards = await Promise.all(
+			cards.map(async (card: any) => {
+				const hasMedia = !!(card.image || card.video)
+				const header: any = {
+					title: card.title || '',
+					subtitle: card.footer || '',
+					hasMediaAttachment: hasMedia
+				}
+				if (hasMedia && card.image) {
+					const { imageMessage } = await prepareWAMessageMedia({ image: card.image }, options)
+					if (imageMessage && !imageMessage.height) imageMessage.height = 500
+					if (imageMessage && !imageMessage.width) imageMessage.width = 500
+					header.imageMessage = imageMessage
+				}
+				return {
+					header,
+					body: { text: card.body || '' },
+					footer: card.footer ? { text: card.footer } : undefined,
+					nativeFlowMessage: {
+						buttons: (card.buttons || []).map((btn: any) => {
+							switch (btn.type) {
+								case 'url': return { name: 'cta_url', buttonParamsJson: JSON.stringify({ display_text: btn.text, url: btn.url, merchant_url: btn.url }) }
+								case 'copy': return { name: 'cta_copy', buttonParamsJson: JSON.stringify({ display_text: btn.text, copy_code: btn.copyText }) }
+								case 'call': return { name: 'cta_call', buttonParamsJson: JSON.stringify({ display_text: btn.text, phone_number: btn.phoneNumber }) }
+								default: return { name: 'quick_reply', buttonParamsJson: JSON.stringify({ display_text: btn.text, id: btn.id }) }
+							}
+						})
+					}
+				}
+			})
+		)
+
+		m.interactiveMessage = {
+			header: { title: title || ' ', hasMediaAttachment: false },
+			body: { text: text || '' },
+			footer: footer ? { text: footer } : undefined,
+			carouselMessage: {
+				cards: carouselCards,
+				messageVersion: 1
+			}
 		}
-		// Pass options for media processing if cards have images/videos
-		const generated = await generateCarouselMessage(carouselOptions, options)
-		// Direct interactiveMessage — no viewOnceMessage wrapper, no root header/body/footer
-		m.interactiveMessage = generated.interactiveMessage
 		return m
 	}
 	// Check for nativeList

src/Utils/process-message.ts

@@ -19,10 +19,13 @@ import type {
 	WAMessage,
 	WAMessageKey
 } from '../Types'
+import type { LIDMappingStore } from '../Signal/lid-mapping'
 import { WAMessageStubType } from '../Types'
 import { getContentType, normalizeMessageContent } from '../Utils/messages'
 import {
 	areJidsSameUser,
+	isAnyLidUser,
+	isAnyPnUser,
 	isHostedLidUser,
 	isHostedPnUser,
 	isJidBroadcast,
@@ -125,42 +128,94 @@ export const cleanMessage = (message: WAMessage, meId: string, meLid: string) =>
 	}
 }
 
+/**
+ * Resolves a LID JID to its PN equivalent using the LID mapping store.
+ * Returns the original JID if it's not a LID or if no mapping is found.
+ * Safe to call with any JID type (group, newsletter, PN, etc.).
+ */
+export const resolveLidToPn = async (
+	jid: string | undefined | null,
+	lidMapping: LIDMappingStore,
+	logger?: ILogger
+): Promise<string | undefined> => {
+	if (!jid) {
+		return undefined
+	}
+
+	if (isAnyLidUser(jid)) {
+		const pn = await lidMapping.getPNForLID(jid)
+		if (pn) {
+			logger?.debug({ lid: jid, pn }, 'Resolved LID to PN')
+		}
+
+		return pn || jid
+	}
+
+	return jid
+}
+
+/**
+ * Normalizes a WAMessageKey by resolving LID→PN for remoteJid and participant.
+ */
+export const normalizeKeyLidToPn = async (
+	key: WAMessageKey,
+	lidMapping: LIDMappingStore,
+	logger?: ILogger
+): Promise<void> => {
+	const [resolvedRemoteJid, resolvedParticipant] = await Promise.all([
+		resolveLidToPn(key.remoteJid, lidMapping, logger),
+		resolveLidToPn(key.participant, lidMapping, logger)
+	])
+	if (resolvedRemoteJid) {
+		key.remoteJid = resolvedRemoteJid
+	}
+
+	if (resolvedParticipant) {
+		key.participant = resolvedParticipant
+	}
+}
+
 export const normalizeMessageJids = async (
 	message: WAMessage,
 	signalRepository: SignalRepositoryWithLIDStore,
 	logger?: ILogger
 ): Promise<void> => {
-	const resolveLidToPn = async (jid: string | undefined | null): Promise<string | undefined> => {
+	const lidMapping = signalRepository.lidMapping
-		if (!jid) {
+	const key = message.key
-			return undefined
-		}
 
-		if (isLidUser(jid) || isHostedLidUser(jid)) {
+	// FAST PATH: Use alt JIDs directly when available (avoids LIDMappingStore race condition).
-			const pn = await signalRepository.lidMapping.getPNForLID(jid)
+	// The stanza always carries both formats (LID + PN) in the attributes.
-			if (pn) {
+	// When addressing_mode=lid, remoteJid is LID and remoteJidAlt is PN.
-				logger?.debug({ lid: jid, pn }, 'Resolved LID to PN for inbound message')
+	// When addressing_mode=pn, remoteJid is already PN (no conversion needed).
-			} else {
+	if (key.remoteJid && isAnyLidUser(key.remoteJid) && key.remoteJidAlt && isAnyPnUser(key.remoteJidAlt)) {
-				logger?.debug({ lid: jid }, 'PN not found for inbound LID, keeping LID')
+		logger?.debug({ lid: key.remoteJid, pn: key.remoteJidAlt }, 'Resolved remoteJid LID→PN via alt (fast path)')
-			}
+		key.remoteJid = key.remoteJidAlt
-
-			return pn || jid
-		}
-
-		return jid
 	}
 
-	// Execute both lookups in parallel instead of sequentially to reduce latency
+	if (key.participant && isAnyLidUser(key.participant) && key.participantAlt && isAnyPnUser(key.participantAlt)) {
-	const [resolvedRemoteJid, resolvedParticipant] = await Promise.all([
+		logger?.debug({ lid: key.participant, pn: key.participantAlt }, 'Resolved participant LID→PN via alt (fast path)')
-		resolveLidToPn(message.key.remoteJid),
+		key.participant = key.participantAlt
-		resolveLidToPn(message.key.participant)
-	])
-
-	if (resolvedRemoteJid) {
-		message.key.remoteJid = resolvedRemoteJid
 	}
 
-	if (resolvedParticipant) {
+	// SLOW PATH: Resolve any remaining LIDs via LIDMappingStore lookup
-		message.key.participant = resolvedParticipant
+	await normalizeKeyLidToPn(key, lidMapping, logger)
+
+	// Also normalize participantAlt (the alternative JID format — can be LID when addressing_mode=pn)
+	if (key.participantAlt && isAnyLidUser(key.participantAlt)) {
+		const resolved = await resolveLidToPn(key.participantAlt, lidMapping, logger)
+		if (resolved) {
+			key.participantAlt = resolved
+		}
+	}
+
+	// Normalize nested message keys (reaction, poll) that may contain LID JIDs
+	const content = normalizeMessageContent(message.message)
+	if (content?.reactionMessage?.key) {
+		await normalizeKeyLidToPn(content.reactionMessage.key, lidMapping, logger)
+	}
+
+	if (content?.pollUpdateMessage?.pollCreationMessageKey) {
+		await normalizeKeyLidToPn(content.pollUpdateMessage.pollCreationMessageKey, lidMapping, logger)
 	}
 }
 
@@ -534,6 +589,12 @@ const processMessage = async (
 								'CTWA: Successfully recovered message via placeholder resend'
 							)
 
+							// Normalize LID→PN in PDO-recovered message key before emitting
+							// eslint-disable-next-line max-depth
+							if (webMessageInfo.key && signalRepository) {
+								await normalizeKeyLidToPn(webMessageInfo.key as WAMessageKey, signalRepository.lidMapping, logger)
+							}
+
 							// wait till another upsert event is available, don't want it to be part of the PDO response message
 							// TODO: parse through proper message handling utilities (to add relevant key fields)
 							ev.emit('messages.upsert', {
@@ -674,9 +735,13 @@ const processMessage = async (
 						response: responseMsg
 					}
 
+					// Normalize creationMsgKey JIDs for the emitted event
+					const normalizedCreationKey = { ...creationMsgKey }
+					await normalizeKeyLidToPn(normalizedCreationKey, signalRepository.lidMapping, logger)
+
 					ev.emit('messages.update', [
 						{
-							key: creationMsgKey,
+							key: normalizedCreationKey,
 							update: {
 								eventResponses: [eventResponse]
 							}
@@ -719,7 +784,7 @@ const processMessage = async (
 			})
 		}
 
-		const participantsIncludesMe = () => participants.find(jid => areJidsSameUser(meId, jid.phoneNumber)) // ADD SUPPORT FOR LID
+		const participantsIncludesMe = () => participants.find(p => areJidsSameUser(meId, p.id) || areJidsSameUser(meId, p.phoneNumber))
 
 		switch (message.messageStubType) {
 			case WAMessageStubType.GROUP_PARTICIPANT_CHANGE_NUMBER:

src/Utils/sticker-pack.ts

@@ -2,6 +2,7 @@ import { Boom } from '@hapi/boom'
 import { createHash } from 'crypto'
 import { zipSync } from 'fflate'
 import { promises as fs } from 'fs'
+import { gzipSync, gunzipSync } from 'zlib'
 import { proto } from '../../WAProto/index.js'
 import type { MediaType } from '../Defaults/index.js'
 import type { StickerPack, WAMediaUpload, WAMediaUploadFunction } from '../Types/Message.js'
@@ -101,6 +102,49 @@ export const isAnimatedWebP = (buffer: Buffer): boolean => {
 	return false
 }
 
+/**
+ * Detecta se um buffer é Lottie JSON (raw ou gzip-compressed/WAS)
+ *
+ * WABA usa mimetype `application/was` para stickers Lottie.
+ * WAS (WhatsApp Animated Sticker) = gzip-compressed Lottie JSON.
+ *
+ * Detecção:
+ * - Gzip (0x1f 0x8b): descomprime e verifica se é Lottie JSON
+ * - JSON bruto: verifica campos Lottie obrigatórios (v, ip, op, layers)
+ *
+ * @param buffer - Buffer to check
+ * @returns true if buffer is Lottie/WAS format
+ */
+export const isLottieBuffer = (buffer: Buffer): boolean => {
+	if (buffer.length < 2) return false
+
+	let jsonBuffer: Buffer
+
+	// Check if gzip-compressed (WAS format)
+	if (buffer[0] === 0x1f && buffer[1] === 0x8b) {
+		try {
+			// SECURITY: Limit decompressed output to 50MB to prevent decompression bombs
+			jsonBuffer = gunzipSync(buffer, { maxOutputLength: 50 * 1024 * 1024 }) as Buffer
+		} catch {
+			return false
+		}
+	} else if (buffer[0] === 0x7b) {
+		// Starts with '{' - could be raw Lottie JSON
+		jsonBuffer = buffer
+	} else {
+		return false
+	}
+
+	// Validate Lottie JSON structure: must have v, ip, op, AND layers
+	try {
+		const str = jsonBuffer.toString('utf8', 0, Math.min(jsonBuffer.length, 4096))
+		// Quick check for ALL required Lottie fields
+		return str.includes('"v"') && str.includes('"layers"') && str.includes('"ip"') && str.includes('"op"')
+	} catch {
+		return false
+	}
+}
+
 /**
  * Converte uma imagem para WebP usando Sharp
  * Preserva o buffer original se já for WebP para manter EXIF e animações
@@ -114,12 +158,25 @@ export const isAnimatedWebP = (buffer: Buffer): boolean => {
 const convertToWebP = async (
 	buffer: Buffer,
 	logger?: ILogger
-): Promise<{ webpBuffer: Buffer; isAnimated: boolean }> => {
+): Promise<{ webpBuffer: Buffer; isAnimated: boolean; isLottie: boolean }> => {
+	// Lottie/WAS: ensure gzip-compressed format (WAS = gzip Lottie JSON)
+	if (isLottieBuffer(buffer)) {
+		let wasBuffer = buffer
+		// Raw Lottie JSON (starts with '{') must be gzipped to produce valid WAS
+		if (buffer[0] === 0x7b) {
+			logger?.trace('Raw Lottie JSON detected, gzip-compressing to WAS format')
+			wasBuffer = gzipSync(buffer) as Buffer
+		}
+
+		logger?.trace('Input is Lottie/WAS format')
+		return { webpBuffer: wasBuffer, isAnimated: true, isLottie: true }
+	}
+
 	// Se já é WebP, preserva o buffer original (mantém EXIF e animações)
 	if (isWebPBuffer(buffer)) {
 		const isAnimated = isAnimatedWebP(buffer)
 		logger?.trace({ isAnimated }, 'Input is already WebP, preserving original buffer')
-		return { webpBuffer: buffer, isAnimated }
+		return { webpBuffer: buffer, isAnimated, isLottie: false }
 	}
 
 	// Tenta usar Sharp para converter
@@ -135,7 +192,7 @@ const convertToWebP = async (
 	logger?.trace('Converting image to WebP using Sharp')
 	const webpBuffer = await lib.sharp.default(buffer).webp().toBuffer()
 
-	return { webpBuffer, isAnimated: false }
+	return { webpBuffer, isAnimated: false, isLottie: false }
 }
 
 /**
@@ -338,9 +395,11 @@ export type PrepareStickerPackMessageOptions = {
  *
  * **Especificações WhatsApp:**
  * - 3-30 stickers por pack (oficial)
- * - WebP obrigatório
+ * - WebP ou Lottie/WAS (application/was)
+ * - Stickers: 512x512 pixels (auto-resize)
  * - Recomendado: 100KB por sticker estático, 500KB animado
- * - Tray icon: 252x252 pixels
+ * - Tray icon: 96x96 pixels (PNG no ZIP)
+ * - Thumbnail: 252x252 pixels (JPEG, upload separado)
  *
  * @param stickerPack - Sticker pack data with stickers, cover, name, publisher
  * @param options - Upload function and optional logger
@@ -464,9 +523,36 @@ export const prepareStickerPackMessage = async (
 				// Obtém buffer do sticker
 				const buffer = await mediaToBuffer(sticker.data, `sticker ${i + 1}`)
 
-				// Converte para WebP
+				// Detecta formato e converte se necessário
 				// eslint-disable-next-line prefer-const
-				let { webpBuffer, isAnimated } = await convertToWebP(buffer, logger)
+				let { webpBuffer, isAnimated, isLottie } = await convertToWebP(buffer, logger)
+
+				// Validate explicit isLottie flag — must match detected format
+				if (sticker.isLottie !== undefined && sticker.isLottie !== isLottie) {
+					throw new Boom(
+						`Sticker ${i + 1}: explicit isLottie=${sticker.isLottie} does not match detected format (detected=${isLottie})`,
+						{ statusCode: 400 }
+					)
+				}
+
+				// WABA: Enforce 512x512 dimensions for WebP stickers (Lottie is vector, skip)
+				if (!isLottie && isWebPBuffer(webpBuffer)) {
+					const lib = await getImageProcessingLibrary()
+					if (lib?.sharp) {
+						const metadata = await lib.sharp.default(webpBuffer).metadata()
+						if (metadata.width !== 512 || metadata.height !== 512) {
+							logger?.trace(
+								{ index: i, width: metadata.width, height: metadata.height },
+								'Resizing sticker to 512x512 (WABA standard)'
+							)
+							webpBuffer = await lib.sharp
+								.default(webpBuffer)
+								.resize(512, 512, { fit: 'contain', background: { r: 0, g: 0, b: 0, alpha: 0 } })
+								.webp()
+								.toBuffer()
+						}
+					}
+				}
 
 				// ENHANCEMENT: Auto-compression if exceeds 1MB (try quality 70, then 50)
 				const MAX_STICKER_SIZE = 1024 * 1024 // 1MB
@@ -483,7 +569,7 @@ export const prepareStickerPackMessage = async (
 					if (lib?.sharp) {
 						// Try quality 70
 						try {
-							const compressed70 = await lib.sharp.default(buffer).webp({ quality: 70 }).toBuffer()
+							const compressed70 = await lib.sharp.default(webpBuffer).webp({ quality: 70 }).toBuffer()
 
 							// eslint-disable-next-line max-depth
 							if (compressed70.length <= MAX_STICKER_SIZE) {
@@ -498,7 +584,7 @@ export const prepareStickerPackMessage = async (
 								)
 							} else {
 								// Try quality 50
-								const compressed50 = await lib.sharp.default(buffer).webp({ quality: 50 }).toBuffer()
+								const compressed50 = await lib.sharp.default(webpBuffer).webp({ quality: 50 }).toBuffer()
 
 								// eslint-disable-next-line max-depth
 								if (compressed50.length <= MAX_STICKER_SIZE) {
@@ -547,12 +633,13 @@ export const prepareStickerPackMessage = async (
 					)
 				}
 
-				// Gera nome do arquivo: hash.webp (deduplicação automática)
+				// Gera nome do arquivo: hash.webp ou hash.was (WABA: plain_file_hash.ext)
 				const sha256Hash = generateSha256Hash(webpBuffer)
-				const fileName = `${sha256Hash}.webp`
+				const extension = isLottie ? 'was' : 'webp'
+				const fileName = `${sha256Hash}.${extension}`
 
 				logger?.trace(
-					{ index: i, fileName, sizeKB: finalSizeKB.toFixed(2), isAnimated },
+					{ index: i, fileName, sizeKB: finalSizeKB.toFixed(2), isAnimated, isLottie },
 					'Sticker processed successfully'
 				)
 
@@ -560,6 +647,7 @@ export const prepareStickerPackMessage = async (
 					fileName,
 					webpBuffer,
 					isAnimated,
+					isLottie,
 					emojis: sticker.emojis || [],
 					accessibilityLabel: sticker.accessibilityLabel
 				}
@@ -578,7 +666,7 @@ export const prepareStickerPackMessage = async (
 	for (const result of processedStickers) {
 		if (!result) continue
 
-		const { fileName, webpBuffer, isAnimated, emojis, accessibilityLabel } = result
+		const { fileName, webpBuffer, isAnimated, isLottie, emojis, accessibilityLabel } = result
 
 		// SECURITY FIX #7: Check if this hash already exists (duplicate sticker)
 		const existingMetadata = metadataByHash.get(fileName)
@@ -605,13 +693,14 @@ export const prepareStickerPackMessage = async (
 			// New sticker - add to ZIP and create metadata
 			stickerData[fileName] = [new Uint8Array(webpBuffer), { level: 0 as 0 }]
 
+			// WABA: mimetype é 'application/was' para Lottie, 'image/webp' para WebP
 			const metadata: proto.Message.StickerPackMessage.ISticker = {
 				fileName,
 				isAnimated,
 				emojis,
 				accessibilityLabel,
-				isLottie: false,
+				isLottie,
-				mimetype: 'image/webp'
+				mimetype: isLottie ? 'application/was' : 'image/webp'
 			}
 
 			metadataByHash.set(fileName, metadata)
@@ -636,10 +725,22 @@ export const prepareStickerPackMessage = async (
 		logger?.trace('Processing cover image')
 		coverBuffer = await mediaToBuffer(cover, 'cover image')
 
-		// Converte cover para WebP e adiciona ao ZIP
+		// Tray icon uses PNG format, 96x96 pixels (official client standard)
-		const result = await convertToWebP(coverBuffer, logger)
+		const lib = await getImageProcessingLibrary()
-		coverWebP = result.webpBuffer
+		if (!lib?.sharp) {
-		coverFileName = `${stickerPackId}.webp`
+			throw new Boom(
+				'Sharp library is required for cover/tray icon processing. Install with: yarn add sharp',
+				{ statusCode: 400 }
+			)
+		}
+
+		coverWebP = await lib.sharp
+			.default(coverBuffer)
+			.resize(96, 96, { fit: 'contain', background: { r: 0, g: 0, b: 0, alpha: 0 } })
+			.png()
+			.toBuffer()
+
+		coverFileName = `${stickerPackId}.png`
 		stickerData[coverFileName] = [new Uint8Array(coverWebP), { level: 0 as 0 }]
 	} catch (error) {
 		throw new Boom(`Failed to process cover image: ${(error as Error).message}`, {

src/Utils/tc-token-utils.ts

@@ -159,7 +159,10 @@ export async function storeTcTokensFromIqResult({
 				[storageJid]: {
 					...existingEntry,
 					token: Buffer.from(tokenNode.content),
-					timestamp: tokenNode.attrs.t
+					timestamp: tokenNode.attrs.t,
+					// WABA Android: resets real_issue_timestamp to null when storing a new token
+					// (UPDATE wa_trusted_contacts_send SET real_issue_timestamp=null)
+					realIssueTimestamp: null
 				}
 			}
 		})

src/Utils/validate-connection.ts

@@ -20,7 +20,7 @@ const getUserAgent = (config: SocketConfig): proto.ClientPayload.IUserAgent => {
 			secondary: config.version[1],
 			tertiary: config.version[2]
 		},
-		platform: proto.ClientPayload.UserAgent.Platform.MACOS,
+		platform: proto.ClientPayload.UserAgent.Platform.WEB,
 		releaseChannel: proto.ClientPayload.UserAgent.ReleaseChannel.RELEASE,
 		osVersion: '0.1',
 		device: 'Desktop',
@@ -64,12 +64,7 @@ const getClientPayload = (config: SocketConfig) => {
 }
 
 export const generateLoginNode = (userJid: string, config: SocketConfig): proto.IClientPayload => {
-	const decoded = jidDecode(userJid)
+	const { user, device } = jidDecode(userJid)!
-	if (!decoded) {
-		throw new Boom('Invalid user JID', { statusCode: 400 })
-	}
-
-	const { user, device } = decoded
 	const payload: proto.IClientPayload = {
 		...getClientPayload(config),
 		passive: true,
@@ -158,9 +153,6 @@ export const configureSuccessfulPairing = (
 	}: Pick<AuthenticationCreds, 'advSecretKey' | 'signedIdentityKey' | 'signalIdentities'>
 ) => {
 	const msgId = stanza.attrs.id
-	if (!msgId) {
-		throw new Boom('Missing message ID', { statusCode: 400 })
-	}
 
 	const pairSuccessNode = getBinaryNodeChild(stanza, 'pair-success')
 
@@ -176,51 +168,42 @@ export const configureSuccessfulPairing = (
 	const bizName = businessNode?.attrs.name
 	const jid = deviceNode.attrs.jid
 	const lid = deviceNode.attrs.lid
-	if (!jid || !lid) {
-		throw new Boom('Missing JID or LID in device node', { statusCode: 400 })
-	}
 
 	const { details, hmac, accountType } = proto.ADVSignedDeviceIdentityHMAC.decode(deviceIdentityNode.content as Buffer)
-	if (!details || !hmac) {
-		throw new Boom('Missing ADV signature fields', { statusCode: 400 })
-	}
 
 	let hmacPrefix = Buffer.from([])
 	if (accountType !== undefined && accountType === proto.ADVEncryptionType.HOSTED) {
 		hmacPrefix = WA_ADV_HOSTED_ACCOUNT_SIG_PREFIX
 	}
 
-	const advSign = hmacSign(Buffer.concat([hmacPrefix, details]), Buffer.from(advSecretKey, 'base64'))
+	const advSign = hmacSign(Buffer.concat([hmacPrefix, details!]), Buffer.from(advSecretKey, 'base64'))
-	if (Buffer.compare(hmac, advSign) !== 0) {
+	if (Buffer.compare(hmac!, advSign) !== 0) {
 		throw new Boom('Invalid account signature')
 	}
 
-	const account = proto.ADVSignedDeviceIdentity.decode(details)
+	const account = proto.ADVSignedDeviceIdentity.decode(details!)
 	const { accountSignatureKey, accountSignature, details: deviceDetails } = account
-	if (!accountSignatureKey || !accountSignature || !deviceDetails) {
-		throw new Boom('Missing ADV account fields', { statusCode: 400 })
-	}
 
-	const deviceIdentity = proto.ADVDeviceIdentity.decode(deviceDetails)
+	const deviceIdentity = proto.ADVDeviceIdentity.decode(deviceDetails!)
 
 	const accountSignaturePrefix =
 		deviceIdentity.deviceType === proto.ADVEncryptionType.HOSTED
 			? WA_ADV_HOSTED_ACCOUNT_SIG_PREFIX
 			: WA_ADV_ACCOUNT_SIG_PREFIX
-	const accountMsg = Buffer.concat([accountSignaturePrefix, deviceDetails, signedIdentityKey.public])
+	const accountMsg = Buffer.concat([accountSignaturePrefix, deviceDetails!, signedIdentityKey.public])
-	if (!Curve.verify(accountSignatureKey, accountMsg, accountSignature)) {
+	if (!Curve.verify(accountSignatureKey!, accountMsg, accountSignature!)) {
 		throw new Boom('Failed to verify account signature')
 	}
 
 	const deviceMsg = Buffer.concat([
 		WA_ADV_DEVICE_SIG_PREFIX,
-		deviceDetails,
+		deviceDetails!,
 		signedIdentityKey.public,
-		accountSignatureKey
+		accountSignatureKey!
 	])
 	account.deviceSignature = Curve.sign(signedIdentityKey.private, deviceMsg)
 
-	const identity = createSignalIdentity(lid, accountSignatureKey)
+	const identity = createSignalIdentity(lid!, accountSignatureKey!)
 	const accountEnc = encodeSignedDeviceIdentity(account, false)
 
 	const reply: BinaryNode = {
@@ -228,7 +211,7 @@ export const configureSuccessfulPairing = (
 		attrs: {
 			to: S_WHATSAPP_NET,
 			type: 'result',
-			id: msgId
+			id: msgId!
 		},
 		content: [
 			{
@@ -247,7 +230,7 @@ export const configureSuccessfulPairing = (
 
 	const authUpdate: Partial<AuthenticationCreds> = {
 		account,
-		me: { id: jid, name: bizName, lid },
+		me: { id: jid!, name: bizName, lid },
 		signalIdentities: [...(signalIdentities || []), identity],
 		platform: platformNode?.attrs.name
 	}