feat(costs): add billing, quota, and budget control plane

packages/shared/src/validators/finance.ts

@@ -0,0 +1,34 @@
+import { z } from "zod";
+import { AGENT_ADAPTER_TYPES, FINANCE_DIRECTIONS, FINANCE_EVENT_KINDS, FINANCE_UNITS } from "../constants.js";
+
+export const createFinanceEventSchema = z.object({
+  agentId: z.string().uuid().optional().nullable(),
+  issueId: z.string().uuid().optional().nullable(),
+  projectId: z.string().uuid().optional().nullable(),
+  goalId: z.string().uuid().optional().nullable(),
+  heartbeatRunId: z.string().uuid().optional().nullable(),
+  costEventId: z.string().uuid().optional().nullable(),
+  billingCode: z.string().optional().nullable(),
+  description: z.string().max(500).optional().nullable(),
+  eventKind: z.enum(FINANCE_EVENT_KINDS),
+  direction: z.enum(FINANCE_DIRECTIONS).optional().default("debit"),
+  biller: z.string().min(1),
+  provider: z.string().min(1).optional().nullable(),
+  executionAdapterType: z.enum(AGENT_ADAPTER_TYPES).optional().nullable(),
+  pricingTier: z.string().min(1).optional().nullable(),
+  region: z.string().min(1).optional().nullable(),
+  model: z.string().min(1).optional().nullable(),
+  quantity: z.number().int().nonnegative().optional().nullable(),
+  unit: z.enum(FINANCE_UNITS).optional().nullable(),
+  amountCents: z.number().int().nonnegative(),
+  currency: z.string().length(3).optional().default("USD"),
+  estimated: z.boolean().optional().default(false),
+  externalInvoiceId: z.string().optional().nullable(),
+  metadataJson: z.record(z.string(), z.unknown()).optional().nullable(),
+  occurredAt: z.string().datetime(),
+}).transform((value) => ({
+  ...value,
+  currency: value.currency.toUpperCase(),
+}));
+
+export type CreateFinanceEvent = z.infer<typeof createFinanceEventSchema>;