fix(telemetry): remove PostHog HAU tracking, keep DAU only

src/shared/posthog.ts

@@ -5,6 +5,25 @@ import packageJson from "../../package.json" with { type: "json" }
 import { PLUGIN_NAME, PUBLISHED_PACKAGE_NAME } from "./plugin-identity"
 import { getPostHogActivityCaptureState } from "./posthog-activity-state"
 
+/** @internal test-only seam: keep null in production to use the real implementation. */
+let activityStateProviderOverride: typeof getPostHogActivityCaptureState | null = null
+
+function resolveActivityState(): ReturnType<typeof getPostHogActivityCaptureState> {
+  return (activityStateProviderOverride ?? getPostHogActivityCaptureState)()
+}
+
+/** @internal test-only */
+export function __setActivityStateProviderForTesting(
+  provider: typeof getPostHogActivityCaptureState,
+): void {
+  activityStateProviderOverride = provider
+}
+
+/** @internal test-only */
+export function __resetActivityStateProviderForTesting(): void {
+  activityStateProviderOverride = null
+}
+
 const DEFAULT_POSTHOG_HOST = "https://us.i.posthog.com"
 const DEFAULT_POSTHOG_API_KEY = "phc_CFJhj5HyvA62QPhvyaUCtaq23aUfznnijg5VaaGkNk74"
 
@@ -128,7 +147,7 @@ function createPostHogClient(
       })
     },
     trackActive: (distinctId, reason) => {
-      const activityState = getPostHogActivityCaptureState()
+      const activityState = resolveActivityState()
 
       if (activityState.captureDaily) {
         configuredClient.capture({
@@ -141,18 +160,6 @@ function createPostHogClient(
           },
         })
       }
-
-      if (activityState.captureHourly) {
-        configuredClient.capture({
-          distinctId,
-          event: "omo_hourly_active",
-          properties: {
-            ...sharedProperties,
-            hour_utc: activityState.hourUTC,
-            reason,
-          },
-        })
-      }
     },
     shutdown: async () => configuredClient.shutdown(),
   }