Convert Beenvoice to a Turborepo monorepo

packages/domain/tests/domain.test.ts

@@ -0,0 +1,35 @@
+/// <reference types="bun" />
+
+import { describe, expect, test } from "bun:test";
+import {
+  EXPENSE_CATEGORIES,
+  formatElapsedSeconds,
+  getEffectiveInvoiceStatus,
+  parseReceiptText,
+} from "../src";
+
+describe("shared domain behavior", () => {
+  test("exposes the expense category vocabulary", () => {
+    expect(EXPENSE_CATEGORIES).toContain("Professional Services");
+  });
+
+  test("calculates overdue status at day precision", () => {
+    const yesterday = new Date();
+    yesterday.setDate(yesterday.getDate() - 1);
+    expect(getEffectiveInvoiceStatus("sent", yesterday)).toBe("overdue");
+    expect(getEffectiveInvoiceStatus("paid", yesterday)).toBe("paid");
+  });
+
+  test("formats elapsed time", () => {
+    expect(formatElapsedSeconds(3_661)).toBe("01:01:01");
+  });
+
+  test("extracts receipt totals and line items", () => {
+    const receipt = parseReceiptText(
+      "Corner Store\nCoffee 3.50\nSubtotal 3.50\nTax 0.31\nTotal 3.81",
+    );
+    expect(receipt.amount).toBe(3.81);
+    expect(receipt.tax).toBe(0.31);
+    expect(receipt.items[0]?.name).toBe("Coffee");
+  });
+});