feat(billing): Add subscription hook

[isabellaenriquez]

Registers the useSubscription hook so it may be used outside of gsApp and gsAdmin + corrects budget term in crons processing error component.

[ajay-sentry]

How come this type is diff from

sentry/static/gsApp/types/index.tsx

Lines 243 to 247 in d923587

	export type Subscription = {
	accountBalance: number;
	billingInterval: 'monthly' | 'annual';
	// billingPeriod varies between 1-12 months. if you're looking for the monthly usage interval, use onDemandPeriodStart
	billingPeriodEnd: string;

?

And relatedly, how come we don't import that type instead?

[isabellaenriquez]

We can't import anything from gsApp or gsAdmin outside of them: #87666

[isabellaenriquez]

I didn't copy the whole type only because the other fields are not currently used anywhere.

As an alternative, I can make this into a more specific hook (ie. useCurrentPlan), similar to what we do for useGetMaxRetentionDays

[ajay-sentry]

Gotcha, good to know!

I'm on team specific hooks, though looking at the hook itself, there's nothing that actually does the response filtering on it atm right? Or am I missing something

[isabellaenriquez]

yeah you're correct

[ajay-sentry]

In that case we're kinda stuck between a rock and a hard place, because the current typing is disingenuous to what the hook is actually doing, but writing out the full type again in this place also just opens us up to a similar thing to that DataCategory DataCategories thing.

It's a little funky to me that gsapp and gsadmin don't have the ability to also pull from a shared set of interfaces somewhere rather than redefining all these things.

I'll leave it up to you since ultimately it doesn't really matter, and I don't wanna make more work for ya

[isabellaenriquez]

yeah I agree with where you're coming from.

I think I'll go ahead and replace this PR with a version that uses a hook which renders the message (rather than a hook which returns the subscription data and using that to render the message). This is a pattern you can see with a bunch of billing CTAs throughout the app that don't live in gsApp or gsAdmin (ie. ProductUnavailableCTA, CronsBillingBanner, etc.)

lmk what you think! i'd also like to ask our FE folks a little more about that import linting rule (ie. is it an artifact of where the billing FE code used to live?)