Auto-commit 2026-05-02 09:37

packages/shared-analytics/src/services/mixpanel.service.ts

@@ -1,5 +1,6 @@
 import { Analytics } from '@segment/analytics-node';
 import { analyticsEnv, EventType, eventPropertiesSchema } from '../config/analytics.config';
+import { hashPhoneNumber } from '../utils/phone-hash';
 
 // Mixpanel service
 export class MixpanelService {
@@ -97,7 +98,7 @@ export class MixpanelService {
    */
   async spamBlocked(userId: string, phoneNumber: string, confidence: number, method: string): Promise<void> {
     await this.track(EventType.SPAM_BLOCKED, userId, {
-      phoneNumber,
+      phoneNumber: hashPhoneNumber(phoneNumber),
       confidence,
       method,
       timestamp: new Date(),

packages/shared-analytics/src/utils/phone-hash.ts

@@ -0,0 +1,12 @@
+/**
+ * Hash a phone number for analytics purposes
+ * Uses a consistent hashing algorithm to create a deterministic hash
+ */
+export function hashPhoneNumber(phoneNumber: string): string {
+  let hash = 0;
+  for (let i = 0; i < phoneNumber.length; i++) {
+    hash = ((hash << 5) - hash) + phoneNumber.charCodeAt(i);
+    hash |= 0;
+  }
+  return `hash_${Math.abs(hash)}`;
+}