* feat: moved error handling to controller, added config for each route, added usage rate limiter, and removed uneeded functions from manager
* feat: allow for 0 usage cost features in Writefull
* feat: update decrement to also use cost, and make cost optional, defaulting to 1
* feat: adding WF quota tests and updating tests for quota rate limiter (#31982)
* feat: adding WF quota tests and updating tests for quota rate limiter
* Apply suggestions from code review
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
GitOrigin-RevId: 281cb6b50b54c02f54a85a6492ca322ef8f00429
