diff --git a/apps/macos/Sources/MoltbotProtocol/GatewayModels.swift b/apps/macos/Sources/MoltbotProtocol/GatewayModels.swift
index 9d2ca5ed4..12f041dc8 100644
--- a/apps/macos/Sources/MoltbotProtocol/GatewayModels.swift
+++ b/apps/macos/Sources/MoltbotProtocol/GatewayModels.swift
@@ -9,6 +9,7 @@ public enum ErrorCode: String, Codable, Sendable {
     case agentTimeout = "AGENT_TIMEOUT"
     case invalidRequest = "INVALID_REQUEST"
     case unavailable = "UNAVAILABLE"
+    case tooManyRequests = "TOO_MANY_REQUESTS"
 }
 
 public struct ConnectParams: Codable, Sendable {
diff --git a/apps/shared/MoltbotKit/Sources/MoltbotProtocol/GatewayModels.swift b/apps/shared/MoltbotKit/Sources/MoltbotProtocol/GatewayModels.swift
index 9d2ca5ed4..12f041dc8 100644
--- a/apps/shared/MoltbotKit/Sources/MoltbotProtocol/GatewayModels.swift
+++ b/apps/shared/MoltbotKit/Sources/MoltbotProtocol/GatewayModels.swift
@@ -9,6 +9,7 @@ public enum ErrorCode: String, Codable, Sendable {
     case agentTimeout = "AGENT_TIMEOUT"
     case invalidRequest = "INVALID_REQUEST"
     case unavailable = "UNAVAILABLE"
+    case tooManyRequests = "TOO_MANY_REQUESTS"
 }
 
 public struct ConnectParams: Codable, Sendable {
diff --git a/src/gateway/session-utils.store.ts b/src/gateway/session-utils.store.ts
index 0477e8cdb..47baaf2e0 100644
--- a/src/gateway/session-utils.store.ts
+++ b/src/gateway/session-utils.store.ts
@@ -39,10 +39,7 @@ export function resolveDefaultStoreAgentId(cfg: MoltbotConfig): string {
 /**
  * Resolve a session key to its canonical store key form.
  */
-export function resolveSessionStoreKey(params: {
-  cfg: MoltbotConfig;
-  sessionKey: string;
-}): string {
+export function resolveSessionStoreKey(params: { cfg: MoltbotConfig; sessionKey: string }): string {
   const raw = params.sessionKey.trim();
   if (!raw) return raw;
   if (raw === "global" || raw === "unknown") return raw;