fix(billing): keep the ledger statement bound in the billing constants module

Author: waleedlatif1

apps/sim/lib/billing/constants.ts

@@ -39,6 +39,15 @@ export const DEFAULT_OVERAGE_THRESHOLD = 100
  */
 export const BILLING_LOCK_TIMEOUT_MS = 5_000
 
+/**
+ * Bound on one ledger sum. A large payer's period covers millions of rows, and from a cold
+ * cache or under heavy I/O the sum can run for tens of seconds; past this the database ends it
+ * and the read fails, so a caller that admits on the sum fails closed rather than waiting
+ * without limit. The usage gate derives its coalescing deadline from this bound, so the sum
+ * always ends at the database before the gate gives up on it.
+ */
+export const USAGE_LEDGER_STATEMENT_TIMEOUT_MS = 60_000
+
 /**
  * Available credit tiers. Each tier maps a credit amount to the underlying dollar
  * cost and carries that tier's fixed weekly refresh allowance.

apps/sim/lib/billing/core/usage-gate-cache.ts

@@ -1,10 +1,10 @@
 import { LRUCache } from 'lru-cache'
+import { USAGE_LEDGER_STATEMENT_TIMEOUT_MS } from '@/lib/billing/constants'
 import {
   type AttributedUsageLimitsResult,
   type BillingAttributionSnapshot,
   checkAttributedUsageLimits,
 } from '@/lib/billing/core/billing-attribution'
-import { USAGE_LEDGER_STATEMENT_TIMEOUT_MS } from '@/lib/billing/core/usage-log'
 import { coalesceLocally } from '@/lib/concurrency/singleflight'
 
 /**

apps/sim/lib/billing/core/usage-log.test.ts

@@ -33,6 +33,7 @@ vi.mock('@/lib/billing/subscriptions/utils', () => ({
   isOrgScopedSubscription: mockIsOrgScopedSubscription,
 }))
 
+import { USAGE_LEDGER_STATEMENT_TIMEOUT_MS } from '@/lib/billing/constants'
 import {
   CUMULATIVE_COST_EPSILON,
   CumulativeUsageContextMismatchError,
@@ -44,7 +45,6 @@ import {
   resolveCumulativeTopUp,
   UNKNOWN_CURSOR_MESSAGE,
   UnknownUsageCursorError,
-  USAGE_LEDGER_STATEMENT_TIMEOUT_MS,
 } from '@/lib/billing/core/usage-log'
 import { asOrchestrationError } from '@/lib/core/orchestration/types'
 import { HttpError } from '@/lib/core/utils/http-error'

apps/sim/lib/billing/core/usage-log.ts

@@ -15,6 +15,7 @@ import {
   textKey,
   timestampKey,
 } from '@/lib/api/list-query'
+import { USAGE_LEDGER_STATEMENT_TIMEOUT_MS } from '@/lib/billing/constants'
 import { defaultBillingPeriod } from '@/lib/billing/core/billing-period'
 import { getHighestPrioritySubscription } from '@/lib/billing/core/plan'
 import {
@@ -212,15 +213,6 @@ async function resolveBillingContext(
   }
 }
 
-/**
- * Bound on one ledger sum. A large payer's period covers millions of rows, and from a cold
- * cache or under heavy I/O the sum can run for tens of seconds; past this the database ends it
- * and the read fails, so a caller that admits on the sum fails closed rather than waiting
- * without limit. The usage gate derives its coalescing deadline from this bound, so the sum
- * always ends at the database before the gate gives up on it.
- */
-export const USAGE_LEDGER_STATEMENT_TIMEOUT_MS = 60_000
-
 /**
  * Returns attributed ledger usage for a billing entity/period. The ledger is
  * the sole source of truth for usage — there is no userStats baseline.