Add privacy-safe product analytics

Establish an idempotent analytics pipeline and internal decision dashboard while keeping event metadata allowlisted and account deletion enforceable.

admin-web/src/api/client.ts

@@ -10,6 +10,7 @@ import type {
   LedgerEntry,
   Overview,
   PageResult,
+  ProductAnalyticsOverview,
   ReferralOverview,
   SessionResponse,
   UserDetail,
@@ -165,6 +166,9 @@ export const adminApi = {
   referrals: (range: string) =>
     request<ReferralOverview>(`/referrals${query({ range })}`),
 
+  productAnalytics: (range: string) =>
+    request<ProductAnalyticsOverview>(`/analytics${query({ range })}`),
+
   users: (search = "", cursor?: string) =>
     request<PageResult<UserSummary>>(
       `/users${query({ q: search.trim(), cursor })}`,