Add telemetry sampling for non-Pro users (#2642)

src/hooks/useSettings.ts

@@ -10,6 +10,7 @@ import { queryKeys } from "@/lib/queryKeys";
 
 const TELEMETRY_CONSENT_KEY = "dyadTelemetryConsent";
 const TELEMETRY_USER_ID_KEY = "dyadTelemetryUserId";
+const DYAD_PRO_STATUS_KEY = "dyadProStatus";
 
 export function isTelemetryOptedIn() {
   return window.localStorage.getItem(TELEMETRY_CONSENT_KEY) === "opted_in";
@@ -19,6 +20,10 @@ export function getTelemetryUserId(): string | null {
   return window.localStorage.getItem(TELEMETRY_USER_ID_KEY);
 }
 
+export function isDyadProUser(): boolean {
+  return window.localStorage.getItem(DYAD_PRO_STATUS_KEY) === "true";
+}
+
 let isInitialLoad = false;
 
 export function useSettings() {
@@ -121,4 +126,9 @@ function processSettingsForTelemetry(settings: UserSettings) {
   } else {
     window.localStorage.removeItem(TELEMETRY_USER_ID_KEY);
   }
+  // Store Pro status for telemetry sampling
+  window.localStorage.setItem(
+    DYAD_PRO_STATUS_KEY,
+    hasDyadProKey(settings) ? "true" : "false",
+  );
 }

src/renderer.tsx

@@ -4,7 +4,11 @@ import { router } from "./router";
 import { RouterProvider } from "@tanstack/react-router";
 import { PostHogProvider } from "posthog-js/react";
 import posthog from "posthog-js";
-import { getTelemetryUserId, isTelemetryOptedIn } from "./hooks/useSettings";
+import {
+  getTelemetryUserId,
+  isTelemetryOptedIn,
+  isDyadProUser,
+} from "./hooks/useSettings";
 
 // Initialize i18next before any rendering
 import "./i18n";
@@ -87,6 +91,20 @@ const posthogClient = posthog.init(
         event.properties["$ip"] = null;
       }
 
+      // For non-Pro users, only send 10% of events (but always send errors)
+      if (!isDyadProUser()) {
+        const isErrorEvent =
+          event?.event === "$exception" ||
+          event?.event?.toLowerCase().includes("error") ||
+          event?.properties?.$exception_type ||
+          event?.properties?.error;
+
+        if (!isErrorEvent && Math.random() > 0.1) {
+          console.debug("Non-Pro user: sampling out event", event?.event);
+          return null;
+        }
+      }
+
       console.debug(
         "Telemetry opted in - UUID:",
         telemetryUserId,