fix(billing): stop back-office edits from changing Payple renewal charges

server/supabase/functions/admin-subscriptions/rpc-error.test.ts

@@ -0,0 +1,18 @@
+import { PROVIDER_MANAGED_SUBSCRIPTION, subscriptionRpcError } from './rpc-error.ts'
+
+function assert(condition: boolean, message: string): asserts condition {
+  if (!condition) throw new Error(message)
+}
+
+Deno.test('provider-owned subscription edits surface as a specific 409', () => {
+  const error = subscriptionRpcError({ code: '23514', message: 'provider_managed_subscription' })
+  assert(error.status === 409, `status 409, got ${error.status}`)
+  assert(error.code === PROVIDER_MANAGED_SUBSCRIPTION, `code ${error.code}`)
+})
+
+Deno.test('other subscription RPC errors keep the shared admin mapping', () => {
+  const forbidden = subscriptionRpcError({ code: '42501', message: 'admin_role_required' })
+  assert(forbidden.status === 403 && forbidden.code === 'admin_role_required', 'admin role mapping kept')
+  const conflict = subscriptionRpcError({ code: '23514', message: 'some_other_check' })
+  assert(conflict.status === 409 && conflict.code === 'admin_operation_conflict', 'generic conflict kept')
+})