diff --git a/.gitignore b/.gitignore
index 4e4038b..33e5f54 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,5 +19,5 @@ dist_*/
 
 # custom
 **/.claude/settings.local.json
-data/
+.nogit/data/
 readme.plan.md
diff --git a/ts_interfaces/data/auth.ts b/ts_interfaces/data/auth.ts
new file mode 100644
index 0000000..45b7f00
--- /dev/null
+++ b/ts_interfaces/data/auth.ts
@@ -0,0 +1,8 @@
+export interface IIdentity {
+  jwt: string;
+  userId: string;
+  name: string;
+  expiresAt: number;
+  role?: string;
+  type?: string;
+}
\ No newline at end of file
diff --git a/ts_interfaces/data/index.ts b/ts_interfaces/data/index.ts
new file mode 100644
index 0000000..df78ce3
--- /dev/null
+++ b/ts_interfaces/data/index.ts
@@ -0,0 +1,2 @@
+export * from './auth.js';
+export * from './stats.js';
\ No newline at end of file
diff --git a/ts_interfaces/data/stats.ts b/ts_interfaces/data/stats.ts
new file mode 100644
index 0000000..f49c41f
--- /dev/null
+++ b/ts_interfaces/data/stats.ts
@@ -0,0 +1,101 @@
+export interface IServerStats {
+  uptime: number;
+  startTime: number;
+  memoryUsage: {
+    heapUsed: number;
+    heapTotal: number;
+    external: number;
+    rss: number;
+  };
+  cpuUsage: {
+    user: number;
+    system: number;
+  };
+  activeConnections: number;
+  totalConnections: number;
+}
+
+export interface IEmailStats {
+  sent: number;
+  received: number;
+  bounced: number;
+  queued: number;
+  failed: number;
+  averageDeliveryTime: number;
+  deliveryRate: number;
+  bounceRate: number;
+}
+
+export interface IDnsStats {
+  totalQueries: number;
+  cacheHits: number;
+  cacheMisses: number;
+  cacheHitRate: number;
+  activeDomains: number;
+  averageResponseTime: number;
+  queryTypes: {
+    [key: string]: number;
+  };
+}
+
+export interface IRateLimitInfo {
+  domain: string;
+  currentRate: number;
+  limit: number;
+  remaining: number;
+  resetTime: number;
+  blocked: boolean;
+}
+
+export interface ISecurityMetrics {
+  blockedIPs: string[];
+  reputationScores: {
+    [domain: string]: number;
+  };
+  spamDetected: number;
+  malwareDetected: number;
+  phishingDetected: number;
+  authenticationFailures: number;
+  suspiciousActivities: number;
+}
+
+export interface ILogEntry {
+  timestamp: number;
+  level: 'debug' | 'info' | 'warn' | 'error';
+  category: 'smtp' | 'dns' | 'security' | 'system' | 'email';
+  message: string;
+  metadata?: any;
+}
+
+export interface IConnectionInfo {
+  id: string;
+  remoteAddress: string;
+  localAddress: string;
+  startTime: number;
+  protocol: 'smtp' | 'smtps' | 'http' | 'https';
+  state: 'connecting' | 'connected' | 'authenticated' | 'transmitting' | 'closing';
+  bytesReceived: number;
+  bytesSent: number;
+}
+
+export interface IQueueStatus {
+  name: string;
+  size: number;
+  processing: number;
+  failed: number;
+  retrying: number;
+  averageProcessingTime: number;
+}
+
+export interface IHealthStatus {
+  healthy: boolean;
+  uptime: number;
+  services: {
+    [service: string]: {
+      status: 'healthy' | 'degraded' | 'unhealthy';
+      message?: string;
+      lastCheck: number;
+    };
+  };
+  version?: string;
+}
\ No newline at end of file