feat(in-kind): varlık türleri, fiyat tablosu, aynî borç/alacak, birikim planı ve ödeme akışı, 008 migration

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/shared/assets.test.ts

@@ -0,0 +1,64 @@
+import { describe, expect, it } from "vitest";
+import {
+  formatAssetQuantity,
+  inKindProgress,
+  quantityForAmount,
+  valuationPrice,
+  valueOf,
+} from "./assets";
+
+describe("varlık hesapları", () => {
+  it("değer ve miktar karşılığı (binde bir miktar, kuruş fiyat)", () => {
+    // 5 gr × 3.250,50 TL = 16.252,50 TL
+    expect(valueOf(5_000, 3_250_50)).toBe(16_252_50);
+    expect(valueOf(1_500, 100_00)).toBe(150_00);
+    expect(quantityForAmount(16_252_50, 3_250_50)).toBe(5_000);
+    expect(quantityForAmount(100, 0)).toBe(0);
+  });
+
+  it("biçim", () => {
+    expect(formatAssetQuantity("gram_gold", 5_000)).toBe("5 gr Gram altın (24 ayar)");
+    expect(formatAssetQuantity("quarter_gold", 2_000)).toBe("2 adet Çeyrek altın");
+    expect(formatAssetQuantity("usd", 1_500_000)).toBe("1.500 USD");
+    expect(formatAssetQuantity("bracelet_22k", 12_345)).toBe("12,345 gr 22 ayar bilezik");
+  });
+
+  it("değerleme fiyatı: borç satış, alacak alış", () => {
+    const p = { buyMinor: 3_200_00, sellMinor: 3_300_00 };
+    expect(valuationPrice("debt", p)).toBe(3_300_00);
+    expect(valuationPrice("receivable", p)).toBe(3_200_00);
+    expect(valuationPrice("debt", null)).toBeNull();
+  });
+});
+
+describe("aynî borç ilerlemesi", () => {
+  const base = {
+    quantity: 5_000,
+    paidQuantity: 0,
+    unitPriceMinor: 3_000_00,
+    contributedMinor: 6_000_00,
+    spentMinor: 0,
+    monthlyPlanMinor: 2_000_00,
+    today: "2026-11-05",
+  };
+
+  it("kalan ihtiyaç ve tahmini kapanış ayı", () => {
+    // 5 gr × 3.000 = 15.000; biriken 6.000 → 9.000 kaldı; ayda 2.000 → 5 ay → 2027-04
+    expect(inKindProgress(base)).toEqual({
+      remainingQuantity: 5_000,
+      currentValueMinor: 15_000_00,
+      accumulatedMinor: 6_000_00,
+      remainingNeedMinor: 9_000_00,
+      estimatedCloseMonth: "2027-04",
+    });
+  });
+
+  it("kısmi ödeme, birikim yeterli, fiyat yok, plan yok", () => {
+    expect(inKindProgress({ ...base, paidQuantity: 3_000 }).remainingNeedMinor).toBe(0);
+    expect(inKindProgress({ ...base, paidQuantity: 3_000 }).estimatedCloseMonth).toBe("2026-11");
+    expect(inKindProgress({ ...base, unitPriceMinor: null }).remainingNeedMinor).toBeNull();
+    expect(inKindProgress({ ...base, monthlyPlanMinor: null }).estimatedCloseMonth).toBeNull();
+    expect(inKindProgress({ ...base, paidQuantity: 5_000 }).remainingQuantity).toBe(0);
+    expect(inKindProgress({ ...base, spentMinor: 9_000_00 }).accumulatedMinor).toBe(0);
+  });
+});