Cloud/tracking v2 (#6400)

## Summary

<!-- One sentence describing what changed and why. -->

## Changes

- **What**: <!-- Core functionality added/modified -->
- **Breaking**: <!-- Any breaking changes (if none, remove this line)
-->
- **Dependencies**: <!-- New dependencies (if none, remove this line)
-->

## Review Focus

<!-- Critical design decisions or edge cases that need attention -->

<!-- If this PR fixes an issue, uncomment and update the line below -->
<!-- Fixes #ISSUE_NUMBER -->

## Screenshots (if applicable)

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┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6400-Cloud-tracking-v2-29c6d73d365081a1ae32e9337f510a9e)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Arjan Singh <arjan@comfy.org>

src/components/dialog/content/credit/CreditTopUpOption.vue

@@ -43,8 +43,10 @@ import Tag from 'primevue/tag'
 import { onBeforeUnmount, ref } from 'vue'
 
 import { useFirebaseAuthActions } from '@/composables/auth/useFirebaseAuthActions'
+import { useTelemetry } from '@/platform/telemetry'
 
 const authActions = useFirebaseAuthActions()
+const telemetry = useTelemetry()
 
 const {
   amount,
@@ -61,8 +63,11 @@ const didClickBuyNow = ref(false)
 const loading = ref(false)
 
 const handleBuyNow = async () => {
+  const creditAmount = editable ? customAmount.value : amount
+  telemetry?.trackApiCreditTopupButtonPurchaseClicked(creditAmount)
+
   loading.value = true
-  await authActions.purchaseCredits(editable ? customAmount.value : amount)
+  await authActions.purchaseCredits(creditAmount)
   loading.value = false
   didClickBuyNow.value = true
 }