add metrics to follow all

src/logger/metrics.ts

@@ -93,6 +93,10 @@ export type MetricEvents = {
   'onboarding:suggestedAccounts:tabPressed': {
     tab: string
   }
+  'onboarding:suggestedAccounts:followAllPressed': {
+    tab: string
+    numAccounts: number
+  }
   'onboarding:suggestedAccounts:nextPressed': {
     selectedAccountsLength: number
     skipped: boolean

src/screens/Onboarding/StepSuggestedAccounts/index.tsx

@@ -109,6 +109,12 @@ export function StepSuggestedAccounts() {
       .map(user => user.did) ?? []
 
   const {mutate: followAll, isPending: isFollowingAll} = useMutation({
+    onMutate: () => {
+      logger.metric('onboarding:suggestedAccounts:followAllPressed', {
+        tab: selectedInterest ?? 'all',
+        numAccounts: followableDids.length,
+      })
+    },
     mutationFn: async () => {
       for (const did of followableDids) {
         updateProfileShadow(queryClient, did, {