feat(değerlendirme): ay sonu değerlendirmesi — 4 soru ve döküm (backend)

- GET /periods/{id}/review: param, hedef, harcanan, biriken; grup, kategori ve hafta bazında planlanan/gerçekleşen
- Dönemde "Nasıl daha iyi yapabilirim?" metni (reflection_md)

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

frontend/src/lib/plan-draft.test.ts

@@ -13,6 +13,7 @@ const period: Period = {
   days: 31,
   status: 'open',
   savings_goal: 500_000,
+  reflection_md: null,
   version: 3,
   weeks: [
     { index: 1, start_date: '2026-12-01', last_date: '2026-12-06', days: 6 },

frontend/src/types/Period.ts

@@ -18,4 +18,8 @@ last_date: string, days: number, status: PeriodStatus,
 /**
  * Kuruş
  */
-savings_goal: number, version: number, weeks: Array<PeriodWeek>, };
+savings_goal: number, 
+/**
+ * "Nasıl daha iyi yapabilirim?" (Markdown)
+ */
+reflection_md: string | null, version: number, weeks: Array<PeriodWeek>, };

frontend/src/types/PeriodReview.ts

@@ -0,0 +1,38 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { ReviewCategory } from "./ReviewCategory";
+import type { ReviewGroup } from "./ReviewGroup";
+import type { ReviewWeek } from "./ReviewWeek";
+
+export type PeriodReview = { income_total: number, fixed_expense_total: number, carryover_debt: number, carryover_surplus: number, 
+/**
+ * 1. Ne kadar param vardı? (gelir − sabit gider − borç + artı)
+ */
+available: number, 
+/**
+ * 2. Ne kadar biriktirmek istedim?
+ */
+savings_goal: number, 
+/**
+ * 3. Ne kadar harcadım?
+ */
+spent_total: number, 
+/**
+ * 4. Ne kadar biriktirdim? (negatifse açık var)
+ */
+realized_savings: number, 
+/**
+ * Gerçekleşen − hedef birikim (negatifse hedefin altında)
+ */
+savings_gap: number, 
+/**
+ * 4 grup, sabit sırada
+ */
+groups: Array<ReviewGroup>, 
+/**
+ * Harcama olan kategoriler, çoktan aza
+ */
+categories: Array<ReviewCategory>, 
+/**
+ * Haftalar: 4 grubun toplamı
+ */
+weeks: Array<ReviewWeek>, };

frontend/src/types/PeriodUpdateRequest.ts

@@ -1,3 +1,7 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 
-export type PeriodUpdateRequest = { name?: string, start_date?: string, end_date?: string, savings_goal?: number, version?: number, };
+export type PeriodUpdateRequest = { name?: string, start_date?: string, end_date?: string, savings_goal?: number, 
+/**
+ * "Nasıl daha iyi yapabilirim?" (Markdown); boş metin → kaldır
+ */
+reflection_md?: string, version?: number, };

frontend/src/types/ReviewCategory.ts

@@ -0,0 +1,8 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { Group } from "./Group";
+
+export type ReviewCategory = { category_id: string, group: Group, spent: number, 
+/**
+ * Kayıt sayısı
+ */
+count: number, };

frontend/src/types/ReviewGroup.ts

@@ -0,0 +1,8 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { Group } from "./Group";
+
+export type ReviewGroup = { group: Group, 
+/**
+ * Aylık bütçe
+ */
+planned: number, spent: number, };

frontend/src/types/ReviewWeek.ts

@@ -0,0 +1,3 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type ReviewWeek = { index: number, start_date: string, last_date: string, planned: number, spent: number, };