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

packages/db/src/schema/budget_incidents.ts

@@ -0,0 +1,41 @@
+import { index, integer, pgTable, text, timestamp, uuid, uniqueIndex } from "drizzle-orm/pg-core";
+import { approvals } from "./approvals.js";
+import { budgetPolicies } from "./budget_policies.js";
+import { companies } from "./companies.js";
+
+export const budgetIncidents = pgTable(
+  "budget_incidents",
+  {
+    id: uuid("id").primaryKey().defaultRandom(),
+    companyId: uuid("company_id").notNull().references(() => companies.id),
+    policyId: uuid("policy_id").notNull().references(() => budgetPolicies.id),
+    scopeType: text("scope_type").notNull(),
+    scopeId: uuid("scope_id").notNull(),
+    metric: text("metric").notNull(),
+    windowKind: text("window_kind").notNull(),
+    windowStart: timestamp("window_start", { withTimezone: true }).notNull(),
+    windowEnd: timestamp("window_end", { withTimezone: true }).notNull(),
+    thresholdType: text("threshold_type").notNull(),
+    amountLimit: integer("amount_limit").notNull(),
+    amountObserved: integer("amount_observed").notNull(),
+    status: text("status").notNull().default("open"),
+    approvalId: uuid("approval_id").references(() => approvals.id),
+    resolvedAt: timestamp("resolved_at", { withTimezone: true }),
+    createdAt: timestamp("created_at", { withTimezone: true }).notNull().defaultNow(),
+    updatedAt: timestamp("updated_at", { withTimezone: true }).notNull().defaultNow(),
+  },
+  (table) => ({
+    companyStatusIdx: index("budget_incidents_company_status_idx").on(table.companyId, table.status),
+    companyScopeIdx: index("budget_incidents_company_scope_idx").on(
+      table.companyId,
+      table.scopeType,
+      table.scopeId,
+      table.status,
+    ),
+    policyWindowIdx: uniqueIndex("budget_incidents_policy_window_threshold_idx").on(
+      table.policyId,
+      table.windowStart,
+      table.thresholdType,
+    ),
+  }),
+);