fix(billing): use live Stripe price for Signed BAA

[richiemcilroy]

Problem

Clicking Sign & pay $99/mo on /dashboard/settings/organization/billing in production returned a 500 (digest: '2637639230'). Vercel production logs on dpl_49f6z9nTsFhXeHmdq7feViMMZUnp show:

Error: Signed BAA billing is not configured. Please contact support.

STRIPE_SIGNED_BAA_PRICE_IDS.production was still price_REPLACE_BEFORE_PRODUCTION, so the .includes("REPLACE") guard in getBaaPriceId() threw on every attempt. No live Stripe price for the add-on existed.

Fix

Created the live Stripe product/price and wired its ID in:

• Product prod_V6OxWdGuyj9HKp ("Signed BAA", metadata.type=signed_baa)
• Price price_1U6C99FJxA1XpeSsUg1rXHo2 — $99/mo recurring, with currency_options for usd / gbp / eur at 9900 each, mirroring how the live Cap Pro price is configured. Without the currency options, customers whose Stripe currency is locked to GBP or EUR would hit a currency mismatch on subscribe.

Blast radius

The throw happened before any write, so nothing needs cleaning up: the signed_baas table has zero rows and no signed_baa subscription or charge exists in Stripe.

Webhook handling was already correct for this path — isSignedBaaSubscription guards the customer.subscription.created/updated/deleted handlers, so the add-on subscription cannot overwrite users.stripeSubscriptionId/Status or inflate the seat quota.

Verification

• vitest run __tests__/unit/signed-baa.test.ts __tests__/unit/signed-baa-webhook.test.ts — 16/16 pass (tests mock VERCEL_ENV: "development", so they exercise the dev price and are unaffected)
• biome check packages/utils/src/constants/plans.ts — clean
• Live price re-read with expand[]=currency_options to confirm all three currencies landed at 9900

Greptile Summary

Replaces the Signed BAA production placeholder with the configured live Stripe price so production checkout can proceed.

• Sets the production Signed BAA price to price_1U6C99FJxA1XpeSsUg1rXHo2.
• Leaves development pricing and the advertised monthly amount unchanged.

Confidence Score: 5/5

The PR appears safe to merge with no repository-visible blocking or non-blocking issues.

The production Signed BAA checkout now receives a concrete price identifier instead of the placeholder that caused the configuration guard to reject every request.

Important Files Changed

Filename	Overview
packages/utils/src/constants/plans.ts	Replaces the guarded production placeholder with a concrete Stripe price identifier; no actionable defect was found in the repository-visible change.

_{Reviews (1): Last reviewed commit: "fix(billing): use live Stripe price for ..." | Re-trigger Greptile}

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