Stripe not handling subscription.update events from Billing Portal.

export const auth = betterAuth({
    baseURL: envPublic.PUBLIC_BETTER_AUTH_BASE_URL as string,
    secret: envPrivate.BETTER_AUTH_SECRET as string,
    logger: {
        disabled: false,
        level: envPublic.PUBLIC_ENV === 'production' ? 'warn' : 'debug'
    },
    database: drizzleAdapter(db, {
        provider: 'pg',
        schema: schema
    }),
    user: {
        deleteUser: {
            enabled: true
        }
    },
    socialProviders: {
        google: {
            clientId: envPrivate.GOOGLE_OAUTH_CLIENT_ID as string,
            clientSecret: envPrivate.GOOGLE_OAUTH_CLIENT_SECRET as string,
            disableSignUp: envPrivate.SIGNUP_ENABLED === 'false'
        }
    },
    plugins: [
        sveltekitCookies(getRequestEvent),
        stripe({
            stripeClient: stripeClient,
            stripeWebhookSecret: envPrivate.STRIPE_WEBHOOK_SECRET as string,
            createCustomerOnSignUp: true,
            subscription: {
                enabled: true,
                plans: [
                    {
                        name: plans.pro.id,
                        priceId: plans.pro.price?.monthly?.id,
                        annualDiscountPriceId: plans.pro.price?.annual?.id
                    }
                ]
            }
        })
    ]
});

export type Session = typeof auth.$Infer.Session;

export type User = typeof auth.$Infer.Session.user;