## Summary
Discussion here:
https://comfy-organization.slack.com/archives/C0A0XANFJRE/p1764899027465379
Implement: Subscription tier query parameter for direct checkout flow
Example button link: `/cloud/subscribe?tier=standard`
`tier` could be `standard`, `creator` or `pro`
`cycle` could be `monthly` or `yearly`. it is optional, and `monthly` by
default.
<!-- One sentence describing what changed and why. -->
## Changes
- **What**: <!-- Core functionality added/modified -->
- Add a landing page called `CloudSubscriptionRedirectView.vue` to
handling the subscription tier button link parameter
- Extract subscription handling logic from `PriceTable.vue`
- **Breaking**: <!-- Any breaking changes (if none, remove this line)
-->
- Code change touched `PriceTable.vue`
- **Dependencies**: <!-- New dependencies (if none, remove this line)
-->
## Review Focus
- link will redirect to login url, when cloud app not login
- after login, the cloud app will redirect to CloudSubscriptionRedirect
page
- wait for several seconds, the cloud app will be redirected to checkout
page
<!-- 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)

<!-- Add screenshots or video recording to help explain your changes -->
┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7553-feat-handling-subscription-tier-button-link-parameter-2cb6d73d365081ee9580e89090248300)
by [Unito](https://www.unito.io)
---------
Co-authored-by: GitHub Action <action@github.com>