diff --git a/src/features/dashboard/service.ts b/src/features/dashboard/service.ts
new file mode 100644
index 0000000..cebd81d
--- /dev/null
+++ b/src/features/dashboard/service.ts
@@ -0,0 +1,83 @@
+import "server-only";
+import { budgetFor, settingsOf } from "@/features/budgets/service";
+import { incomeByDay, incomePlan, monthDailyPlan } from "@/features/budgets/plan";
+import { loadContext } from "@/features/transactions/service";
+import { budgetPeriod, periodOfDate } from "@/shared/budget";
+import { todayIstanbul } from "@/shared/dates";
+import {
+  overviewRange,
+  type OverviewPeriod,
+  type OverviewPoint,
+  type OverviewRange,
+} from "@/shared/overview";
+
+/**
+ * Dashboard ana grafiği (Bölüm 6.13). Bütçe ve gelir planı motorlarıyla aynı kurallar: bütçe ayı,
+ * taksit modu ve gizli hesap ayarı.
+ *
+ * Aylık noktalar: beklenen gelir (gerçekleşen + planlı + elle), bütçe toplamı (bütçe yoksa boş),
+ * gerçekleşen gider. Günlük noktalar: o günün gelirleri (elle eklenen beklenen gelir dönemin ilk
+ * gününe), günlük plan payı, o günün gerçekleşen gideri; gelecek günlerde gerçekleşen boş.
+ */
+export type OverviewData = {
+  period: OverviewPeriod;
+  range: OverviewRange;
+  points: OverviewPoint[];
+  today: string;
+};
+
+export async function getOverview(
+  userId: string,
+  householdId: string,
+  period: OverviewPeriod,
+): Promise<OverviewData | null> {
+  const ctx = await loadContext(userId, householdId, "viewer");
+  if (!ctx) return null;
+  const s = await settingsOf(ctx.m.householdId);
+  const today = todayIstanbul();
+  const range = overviewRange(period, today, s.startDay);
+
+  if (range.granularity === "month") {
+    const points = await Promise.all(
+      range.buckets.map(async (month) => {
+        const [budget, income] = await Promise.all([
+          budgetFor(ctx, s, month),
+          incomePlan(ctx, s, month),
+        ]);
+        return {
+          key: month,
+          plannedIncome: income.expectedMinor,
+          budget: budget.hasBudget ? budget.totals.limitMinor : null,
+          actual: budget.totals.actualMinor,
+        };
+      }),
+    );
+    return { period, range, points, today };
+  }
+
+  // Günlük: aralığın dokunduğu bütçe ayları (hafta iki aya yayılabilir).
+  const months = [...new Set([range.from, range.to].map((d) => periodOfDate(d, s.startDay)))];
+  const planned = new Map<string, number | null>();
+  const actual = new Map<string, number>();
+  const income = new Map<string, number>();
+  for (const month of months) {
+    const [budget, plan] = await Promise.all([budgetFor(ctx, s, month), incomePlan(ctx, s, month)]);
+    const dp = await monthDailyPlan(ctx, s, month, budget.totals.limitMinor, today);
+    for (const d of dp.days) {
+      planned.set(d.date, budget.hasBudget ? d.plannedMinor : null);
+      actual.set(d.date, d.actualMinor);
+    }
+    const first = budgetPeriod(month, s.startDay).from;
+    if (plan.manualMinor) income.set(first, (income.get(first) ?? 0) + plan.manualMinor);
+  }
+  for (const [d, v] of await incomeByDay(ctx, s, range.from, range.to))
+    income.set(d, (income.get(d) ?? 0) + v);
+
+  const points = range.buckets.map((d) => ({
+    key: d,
+    plannedIncome: income.get(d) ?? 0,
+    budget: planned.get(d) ?? null,
+    actual: d <= today ? (actual.get(d) ?? 0) : null,
+  }));
+  return { period, range, points, today };
+}
diff --git a/src/features/reports/csv.ts b/src/features/reports/csv.ts
new file mode 100644
index 0000000..5b7eae8
--- /dev/null
+++ b/src/features/reports/csv.ts
@@ -0,0 +1,34 @@
+import "server-only";
+import { tr } from "@/i18n/tr";
+import { getHouseholdContext } from "@/lib/dal";
+import { budgetMonthSchema } from "@/shared/schemas/budget";
+
+/** CSV rotaları için ortak: oturum + aktif hane, ?ay= doğrulaması ve yanıt üretimi. */
+export async function csvContext(request: Request) {
+  const ctx = await getHouseholdContext();
+  if (!ctx?.household) return null;
+  const params = new URL(request.url).searchParams;
+  const ay = budgetMonthSchema.safeParse(params.get("ay"));
+  return {
+    userId: ctx.user.id,
+    householdId: ctx.household.id,
+    month: ay.success ? ay.data : undefined,
+    params,
+  };
+}
+
+export const unauthorized = () => new Response(tr.common.unauthorized, { status: 401 });
+export const forbidden = () => new Response(tr.common.unauthorized, { status: 403 });
+
+export function csvResponse(csv: string, filename: string) {
+  return new Response(csv, {
+    headers: {
+      "Content-Type": "text/csv; charset=utf-8",
+      "Content-Disposition": `attachment; filename="${filename}"`,
+      "Cache-Control": "no-store",
+    },
+  });
+}
+
+/** 14,3 → "14,3" (CSV ondalık virgül). */
+export const csvPct = (n: number | null) => (n === null ? "" : String(n).replace(".", ","));
diff --git a/src/features/reports/service.int.test.ts b/src/features/reports/service.int.test.ts
new file mode 100644
index 0000000..106f093
--- /dev/null
+++ b/src/features/reports/service.int.test.ts
@@ -0,0 +1,114 @@
+import { afterAll, beforeAll, describe, expect, it } from "vitest";
+import { getBudget } from "@/features/budgets/service";
+import { getOverview } from "@/features/dashboard/service";
+import { setupSeededDb, teardownDb } from "@/test/seeded-db";
+import {
+  getBudgetReport,
+  getCategoryReport,
+  getPeopleAccountsReport,
+  getTrendReport,
+} from "./service";
+
+let ids: Awaited<ReturnType<typeof setupSeededDb>>;
+let cakir = "";
+let ayse = "";
+let zeynep = "";
+let fatma = "";
+
+beforeAll(async () => {
+  ids = await setupSeededDb();
+  cakir = ids.household("Çakır Ailesi");
+  ayse = ids.user("ayse");
+  zeynep = ids.user("zeynep");
+  fatma = ids.user("fatma");
+});
+afterAll(teardownDb);
+
+describe("kategori dağılımı", () => {
+  it("toplam bütçenin gerçekleşeniyle aynı; oranlar ~%100; başka hane göremez", async () => {
+    const r = (await getCategoryReport(ayse, cakir))!;
+    const budget = (await getBudget(ayse, cakir))!;
+    expect(r.breakdown.totalMinor).toBe(budget.totals.actualMinor);
+    expect(r.breakdown.totalMinor).toBeGreaterThan(0);
+    const sum = r.breakdown.rows.reduce((a, x) => a + x.amountMinor, 0);
+    expect(sum).toBe(r.breakdown.totalMinor);
+    const pct = r.breakdown.rows.reduce((a, x) => a + x.sharePct, 0);
+    expect(Math.abs(pct - 100)).toBeLessThan(1);
+    // Alt kategori kırılımı: çocukların ve doğrudan tutarın toplamı üst satıra eşit.
+    for (const row of r.breakdown.rows) {
+      const kids = row.children.reduce((a, c) => a + c.amountMinor, 0);
+      expect(kids + row.ownMinor).toBe(row.amountMinor);
+    }
+    expect(r.appearance[r.breakdown.rows[0]!.id]).toBeDefined();
+    expect(await getCategoryReport(fatma, cakir)).toBeNull();
+  });
+
+  it("önceki ay seçilebilir", async () => {
+    const cur = (await getCategoryReport(ayse, cakir))!;
+    const prev = (await getCategoryReport(ayse, cakir, cur.previous))!;
+    expect(prev.current).toBe(false);
+    expect(prev.breakdown.totalMinor).toBe(cur.breakdown.prevTotalMinor);
+  });
+});
+
+describe("aylık trend", () => {
+  it("12 ay; içinde bulunulan ayın gideri bütçeyle aynı; tasarruf oranı tutarlı", async () => {
+    const r = (await getTrendReport(ayse, cakir))!;
+    expect(r.months).toHaveLength(12);
+    const last = r.months.at(-1)!;
+    expect(last.month).toBe(r.currentMonth);
+    expect(last.expenseMinor).toBe((await getBudget(ayse, cakir))!.totals.actualMinor);
+    for (const m of r.months) {
+      expect(m.netMinor).toBe(m.incomeMinor - m.expenseMinor);
+      if (m.incomeMinor === 0) expect(m.savingsPct).toBeNull();
+    }
+    expect(r.months.filter((m) => m.incomeMinor > 0).length).toBeGreaterThan(3);
+  });
+});
+
+describe("kişi ve hesap bazlı", () => {
+  it("kişi toplamları ve oranları; gizli hesap yalnızca sahibine görünür", async () => {
+    const own = (await getPeopleAccountsReport(ayse, cakir))!;
+    expect(own.people.reduce((a, p) => a + p.expenseMinor, 0)).toBe(own.peopleTotalMinor);
+    expect(own.people.every((p) => p.name !== "—")).toBe(true);
+    expect(own.accounts.map((a) => a.name)).toContain("Ayşe — Pluxee");
+    for (const a of own.accounts)
+      expect(a.netMinor).toBe(
+        a.incomeMinor + a.transferInMinor - a.expenseMinor - a.transferOutMinor,
+      );
+    const other = (await getPeopleAccountsReport(zeynep, cakir))!;
+    expect(other.accounts.map((a) => a.name)).not.toContain("Ayşe — Pluxee");
+  });
+});
+
+describe("bütçe ve gerçekleşen", () => {
+  it("son 6 ay; son satır seçilen ay", async () => {
+    const r = (await getBudgetReport(ayse, cakir))!;
+    expect(r.history).toHaveLength(6);
+    expect(r.history.at(-1)!.month).toBe(r.month);
+    expect(r.history.at(-1)!.actualMinor).toBe(r.budget.totals.actualMinor);
+  });
+});
+
+describe("dashboard ana grafik", () => {
+  it("periyotlar: hafta 7 gün, ay günleri, 6 ve 12 ay; gelecek günlerde gerçekleşen boş", async () => {
+    const week = (await getOverview(ayse, cakir, "week"))!;
+    expect(week.points).toHaveLength(7);
+    expect(week.points.filter((p) => p.key > week.today).every((p) => p.actual === null)).toBe(
+      true,
+    );
+    const month = (await getOverview(ayse, cakir, "month"))!;
+    const budget = (await getBudget(ayse, cakir))!;
+    const actual = month.points.reduce((a, p) => a + (p.actual ?? 0), 0);
+    expect(actual).toBe(budget.totals.actualMinor);
+    if (budget.hasBudget) {
+      const planned = month.points.reduce((a, p) => a + (p.budget ?? 0), 0);
+      expect(planned).toBe(budget.totals.limitMinor);
+    }
+    const half = (await getOverview(ayse, cakir, "half"))!;
+    expect(half.points).toHaveLength(6);
+    expect(half.points.at(-1)!.actual).toBe(budget.totals.actualMinor);
+    expect((await getOverview(ayse, cakir, "year"))!.points).toHaveLength(12);
+    expect(await getOverview(fatma, cakir, "month")).toBeNull();
+  });
+});
diff --git a/src/features/reports/service.ts b/src/features/reports/service.ts
new file mode 100644
index 0000000..166c90f
--- /dev/null
+++ b/src/features/reports/service.ts
@@ -0,0 +1,353 @@
+import "server-only";
+import { Types } from "mongoose";
+import { incomePlan } from "@/features/budgets/plan";
+import {
+  budgetFor,
+  expenseAmounts,
+  settingsOf,
+  type BudgetLineView,
+  type BudgetView,
+  type Settings,
+} from "@/features/budgets/service";
+import { loadContext, userNames, type Ctx } from "@/features/transactions/service";
+import { tr } from "@/i18n/tr";
+import { TransactionModel } from "@/models/transaction";
+import type { AccountType } from "@/shared/accounts";
+import type { IconKey, Swatch } from "@/shared/appearance";
+import { budgetPeriod, periodOfDate, shiftMonth } from "@/shared/budget";
+import { istanbulDayStart, todayIstanbul } from "@/shared/dates";
+import { categoryBreakdown, savingsRate, sharePct, type CategoryBreakdown } from "@/shared/reports";
+
+/**
+ * Raporlar (Bölüm 6.14). Okuma: viewer. "Ay" bütçe ayıdır (hane ayarı); gider kuralları bütçeyle
+ * aynı: gerçekleşmiş işlemler, bölünmüş işlemler kalem bazında, taksit modu ve başkasının
+ * "yalnızca ben" hesabındaki giderler hane ayarına göre (yalnızca tutar). Başkasının gizli
+ * hesabı hesap raporunda hiç görünmez.
+ */
+
+const DAY_MS = 86_400_000;
+const ORPHAN = "__none__";
+
+type Base = { ctx: Ctx; s: Settings; today: string; currentMonth: string };
+
+async function base(userId: string, householdId: string): Promise<Base | null> {
+  const ctx = await loadContext(userId, householdId, "viewer");
+  if (!ctx) return null;
+  const s = await settingsOf(ctx.m.householdId);
+  const today = todayIstanbul();
+  return { ctx, s, today, currentMonth: periodOfDate(today, s.startDay) };
+}
+
+/** Kategori bazında gerçekleşen gider (kendi tutarı); kategorisiz/bilinmeyen tek satırda. */
+async function actualByCategory(b: Base, month: string) {
+  const { from, to } = budgetPeriod(month, b.s.startDay);
+  const amounts = await expenseAmounts(b.ctx, b.s, from, to);
+  const out = new Map<string, number>();
+  for (const [id, a] of amounts) {
+    const v = a.fixedMinor + a.variableMinor;
+    if (!v) continue;
+    const known = id && b.ctx.categoryMap.get(id)?.kind === "expense";
+    const key = known ? id : ORPHAN;
+    out.set(key, (out.get(key) ?? 0) + v);
+  }
+  return out;
+}
+
+export type MonthInfo = {
+  month: string;
+  from: string;
+  to: string;
+  current: boolean;
+  currentMonth: string;
+};
+
+const monthInfo = (b: Base, month: string): MonthInfo => ({
+  month,
+  ...budgetPeriod(month, b.s.startDay),
+  current: month === b.currentMonth,
+  currentMonth: b.currentMonth,
+});
+
+// --- Kategori dağılımı ---
+
+export type CategoryReport = MonthInfo & {
+  previous: string;
+  breakdown: CategoryBreakdown;
+  appearance: Record<string, { icon: IconKey; color: Swatch; path: string }>;
+  includesHidden: boolean;
+};
+
+export async function getCategoryReport(
+  userId: string,
+  householdId: string,
+  month?: string,
+): Promise<CategoryReport | null> {
+  const b = await base(userId, householdId);
+  if (!b) return null;
+  const m = month ?? b.currentMonth;
+  const prev = shiftMonth(m, -1);
+  const [current, previous] = await Promise.all([
+    actualByCategory(b, m),
+    actualByCategory(b, prev),
+  ]);
+  const cats = b.ctx.flatCategories
+    .filter((c) => c.kind === "expense")
+    .map((c) => ({ id: c.id, parentId: c.parentId, name: c.name, order: c.order }));
+  cats.push({ id: ORPHAN, parentId: null, name: tr.reports.uncategorized, order: 1e9 });
+  const appearance: CategoryReport["appearance"] = {
+    [ORPHAN]: { icon: "tag", color: "slate", path: tr.reports.uncategorized },
+  };
+  for (const c of b.ctx.categoryMap.values())
+    if (c.kind === "expense")
+      appearance[String(c.id)] = { icon: c.icon, color: c.color, path: c.path };
+  return {
+    ...monthInfo(b, m),
+    previous: prev,
+    breakdown: categoryBreakdown(cats, current, previous),
+    appearance,
+    includesHidden: b.s.includePrivate && b.ctx.hiddenAccountIds.length > 0,
+  };
+}
+
+// --- Aylık trend ---
+
+export type TrendRow = {
+  month: string;
+  incomeMinor: number;
+  expenseMinor: number;
+  netMinor: number;
+  savingsPct: number | null;
+};
+
+export type TrendReport = {
+  months: TrendRow[];
+  totals: {
+    incomeMinor: number;
+    expenseMinor: number;
+    netMinor: number;
+    savingsPct: number | null;
+  };
+  currentMonth: string;
+};
+
+/** Son `count` bütçe ayı (içinde bulunulan dahil): gerçekleşen gelir, gider, net, tasarruf oranı. */
+export async function getTrendReport(
+  userId: string,
+  householdId: string,
+  count = 12,
+): Promise<TrendReport | null> {
+  const b = await base(userId, householdId);
+  if (!b) return null;
+  const months = Array.from({ length: count }, (_, i) => shiftMonth(b.currentMonth, i - count + 1));
+  const rows = await Promise.all(
+    months.map(async (month) => {
+      const [income, expense] = await Promise.all([
+        incomePlan(b.ctx, b.s, month),
+        actualByCategory(b, month),
+      ]);
+      const incomeMinor = income.actualMinor;
+      const expenseMinor = [...expense.values()].reduce((a, v) => a + v, 0);
+      return {
+        month,
+        incomeMinor,
+        expenseMinor,
+        netMinor: incomeMinor - expenseMinor,
+        savingsPct: savingsRate(incomeMinor, expenseMinor),
+      };
+    }),
+  );
+  const incomeMinor = rows.reduce((a, r) => a + r.incomeMinor, 0);
+  const expenseMinor = rows.reduce((a, r) => a + r.expenseMinor, 0);
+  return {
+    months: rows,
+    totals: {
+      incomeMinor,
+      expenseMinor,
+      netMinor: incomeMinor - expenseMinor,
+      savingsPct: savingsRate(incomeMinor, expenseMinor),
+    },
+    currentMonth: b.currentMonth,
+  };
+}
+
+// --- Kişi ve hesap bazlı ---
+
+export type PersonRow = {
+  userId: string;
+  name: string;
+  expenseMinor: number;
+  count: number;
+  sharePct: number;
+};
+
+export type AccountRow = {
+  id: string;
+  name: string;
+  type: AccountType;
+  archived: boolean;
+  incomeMinor: number;
+  expenseMinor: number;
+  transferInMinor: number;
+  transferOutMinor: number;
+  netMinor: number;
+  count: number;
+};
+
+export type PeopleAccountsReport = MonthInfo & {
+  people: PersonRow[];
+  peopleTotalMinor: number;
+  accounts: AccountRow[];
+  includesHidden: boolean;
+};
+
+type TxLean = {
+  type: "income" | "expense" | "transfer";
+  amountMinor: number;
+  accountId: Types.ObjectId | null;
+  toAccountId: Types.ObjectId | null;
+  createdBy: Types.ObjectId;
+};
+
+export async function getPeopleAccountsReport(
+  userId: string,
+  householdId: string,
+  month?: string,
+): Promise<PeopleAccountsReport | null> {
+  const b = await base(userId, householdId);
+  if (!b) return null;
+  const m = month ?? b.currentMonth;
+  const info = monthInfo(b, m);
+  const docs = await TransactionModel.find({
+    householdId: b.ctx.m.householdId,
+    deletedAt: null,
+    status: "posted",
+    date: {
+      $gte: istanbulDayStart(info.from)!,
+      $lt: new Date(istanbulDayStart(info.to)!.getTime() + DAY_MS),
+    },
+  })
+    .select({ type: 1, amountMinor: 1, accountId: 1, toAccountId: 1, createdBy: 1 })
+    .lean<TxLean[]>();
+  const hidden = new Set(b.ctx.hiddenAccountIds.map(String));
+
+  // Kişi: kaydı giren üye; gizli hesap giderleri hane ayarına göre (yalnızca tutar).
+  const people = new Map<string, { expense: number; count: number }>();
+  for (const d of docs) {
+    if (d.type !== "expense") continue;
+    if (d.accountId && hidden.has(String(d.accountId)) && !b.s.includePrivate) continue;
+    const key = String(d.createdBy);
+    const p = people.get(key) ?? { expense: 0, count: 0 };
+    p.expense += d.amountMinor;
+    p.count++;
+    people.set(key, p);
+  }
+  const names = await userNames([...people.keys()].map((id) => new Types.ObjectId(id)));
+  const peopleTotal = [...people.values()].reduce((a, p) => a + p.expense, 0);
+
+  // Hesap: başkasının gizli hesabı hiç görünmez.
+  const acc = new Map<string, Omit<AccountRow, "id" | "name" | "type" | "archived" | "netMinor">>();
+  const bump = (
+    id: Types.ObjectId | null,
+    k: "incomeMinor" | "expenseMinor" | "transferInMinor" | "transferOutMinor",
+    v: number,
+  ) => {
+    if (!id || hidden.has(String(id))) return;
+    const key = String(id);
+    const row = acc.get(key) ?? {
+      incomeMinor: 0,
+      expenseMinor: 0,
+      transferInMinor: 0,
+      transferOutMinor: 0,
+      count: 0,
+    };
+    row[k] += v;
+    row.count++;
+    acc.set(key, row);
+  };
+  for (const d of docs) {
+    if (d.type === "income") bump(d.accountId, "incomeMinor", d.amountMinor);
+    else if (d.type === "expense") bump(d.accountId, "expenseMinor", d.amountMinor);
+    else {
+      bump(d.accountId, "transferOutMinor", d.amountMinor);
+      bump(d.toAccountId, "transferInMinor", d.amountMinor);
+    }
+  }
+  const accounts: AccountRow[] = [];
+  for (const a of b.ctx.accountMap.values()) {
+    if (a.hidden) continue;
+    const row = acc.get(String(a.id));
+    if (!row && a.archived) continue;
+    const r = row ?? {
+      incomeMinor: 0,
+      expenseMinor: 0,
+      transferInMinor: 0,
+      transferOutMinor: 0,
+      count: 0,
+    };
+    accounts.push({
+      id: String(a.id),
+      name: a.name,
+      type: a.type,
+      archived: a.archived,
+      ...r,
+      netMinor: r.incomeMinor + r.transferInMinor - r.expenseMinor - r.transferOutMinor,
+    });
+  }
+  accounts.sort((x, y) => y.count - x.count || x.name.localeCompare(y.name, "tr"));
+
+  return {
+    ...info,
+    people: [...people.entries()]
+      .map(([id, p]) => ({
+        userId: id,
+        name: names.get(id) ?? "—",
+        expenseMinor: p.expense,
+        count: p.count,
+        sharePct: sharePct(p.expense, peopleTotal),
+      }))
+      .sort((x, y) => y.expenseMinor - x.expenseMinor),
+    peopleTotalMinor: peopleTotal,
+    accounts,
+    includesHidden: b.s.includePrivate && b.ctx.hiddenAccountIds.length > 0,
+  };
+}
+
+// --- Bütçe vs. gerçekleşen ---
+
+export type BudgetHistoryRow = {
+  month: string;
+  limitMinor: number | null;
+  actualMinor: number;
+  ratioBp: number | null;
+};
+
+export type BudgetReport = MonthInfo & {
+  budget: BudgetView;
+  lines: BudgetLineView[];
+  history: BudgetHistoryRow[];
+};
+
+/** Seçilen ayın kategori bazında bütçe/gerçekleşen tablosu ve son 6 ayın toplamları. */
+export async function getBudgetReport(
+  userId: string,
+  householdId: string,
+  month?: string,
+): Promise<BudgetReport | null> {
+  const b = await base(userId, householdId);
+  if (!b) return null;
+  const m = month ?? b.currentMonth;
+  const months = Array.from({ length: 6 }, (_, i) => shiftMonth(m, i - 5));
+  const budgets = await Promise.all(months.map((x) => budgetFor(b.ctx, b.s, x)));
+  const budget = budgets.at(-1)!;
+  return {
+    ...monthInfo(b, m),
+    budget,
+    lines: budget.lines,
+    history: budgets.map((x) => ({
+      month: x.month,
+      limitMinor: x.hasBudget ? x.totals.limitMinor : null,
+      actualMinor: x.totals.actualMinor,
+      ratioBp: x.hasBudget ? x.totals.ratioBp : null,
+    })),
+  };
+}
diff --git a/src/i18n/tr.ts b/src/i18n/tr.ts
index 4a36f6d..472c9f0 100644
--- a/src/i18n/tr.ts
+++ b/src/i18n/tr.ts
@@ -1862,6 +1862,144 @@ export const tr = {
     identifierRequired: "Kullanıcı adı veya e-posta girin",
     passwordRequired: "Şifre girin",
   },
+  reports: {
+    title: "Raporlar",
+    description:
+      "Bütçe ayına göre. Gizli hesap giderleri hane ayarına göre (yalnızca tutar) dahil edilir.",
+    uncategorized: "Kategorisiz",
+    back: "Raporlar",
+    csv: "CSV indir",
+    prevMonth: "Önceki ay",
+    nextMonth: "Sonraki ay",
+    currentMonth: "Bu ay",
+    includesHidden: 'Başka üyelerin "yalnızca ben" hesaplarındaki giderler tutar olarak dahil.',
+    noData: "Bu dönemde kayıt yok.",
+    hub: {
+      thisMonth: "Bu bütçe ayı",
+      income: "Gelir",
+      expense: "Gider",
+      net: "Net",
+      savings: "Tasarruf oranı",
+      topCategories: "En çok harcanan kategoriler",
+      open: "Raporu aç",
+      cards: {
+        categories: {
+          title: "Kategori dağılımı",
+          description:
+            "Kategorilerin toplam gidere oranı, alt kategori kırılımı, önceki aya göre değişim.",
+        },
+        trend: {
+          title: "Aylık trend",
+          description: "Son 12 ay gelir, gider, net ve tasarruf oranı.",
+        },
+        people: {
+          title: "Kişi ve hesap bazlı",
+          description: "Üyelerin harcaması ve hesapların aylık hareketi.",
+        },
+        budget: {
+          title: "Bütçe ve gerçekleşen",
+          description: "Kategori bazında limit ve harcama, son 6 ayın karşılaştırması.",
+        },
+      },
+    },
+    categories: {
+      title: "Kategori dağılımı",
+      description: (month: string) =>
+        `${month} bütçe ayı; toplam gidere oran ve önceki aya göre değişim.`,
+      chartLabel: "Kategorilerin toplam gider içindeki payı, halka grafik",
+      total: "Toplam gider",
+      category: "Kategori",
+      amount: "Tutar",
+      share: "Oran",
+      previous: "Önceki ay",
+      change: "Değişim",
+      own: "Doğrudan üst kategoriye",
+      partialMonth: "Ay devam ediyor; değişim önceki ayın tamamıyla karşılaştırılır.",
+      newCategory: "yeni",
+      other: (n: number) => `Diğer (${n} kategori)`,
+    },
+    trend: {
+      title: "Aylık trend",
+      description: "Son 12 bütçe ayı: gerçekleşen gelir ve gider, net ve tasarruf oranı.",
+      chartLabel: "Son 12 ay gelir ve gider sütun grafiği",
+      rateChartLabel: "Son 12 ay tasarruf oranı",
+      month: "Ay",
+      income: "Gelir",
+      expense: "Gider",
+      net: "Net",
+      savings: "Tasarruf oranı",
+      total: "12 ay toplam",
+      rateTitle: "Tasarruf oranı",
+      rateHint: "(gelir − gider) / gelir. Gelir yoksa hesaplanmaz.",
+      partialHint: "Devam eden ay grafikte gösterilmez.",
+      ongoing: "devam ediyor",
+    },
+    people: {
+      title: "Kişi ve hesap bazlı",
+      description: (month: string) => `${month} bütçe ayı; yalnızca gerçekleşmiş işlemler.`,
+      peopleTitle: "Kişi bazlı harcama",
+      peopleHint: "Gideri kaydeden üyeye göre.",
+      person: "Kişi",
+      expense: "Gider",
+      count: "İşlem",
+      share: "Oran",
+      csvPeople: "Kişiler CSV",
+      csvAccounts: "Hesaplar CSV",
+      accountsTitle: "Hesap bazlı hareket",
+      accountsHint: 'Transferler dahil; başka üyelerin "yalnızca ben" hesapları gösterilmez.',
+      account: "Hesap",
+      income: "Gelir",
+      transferIn: "Gelen transfer",
+      transferOut: "Giden transfer",
+      net: "Net değişim",
+      archived: "arşivli",
+    },
+    budget: {
+      title: "Bütçe ve gerçekleşen",
+      description: (month: string) => `${month} bütçe ayı; kategori bazında limit ve gerçekleşen.`,
+      noBudget: "Bu ay için bütçe yok.",
+      category: "Kategori",
+      limit: "Limit",
+      actual: "Gerçekleşen",
+      remaining: "Kalan",
+      ratio: "Kullanım",
+      historyTitle: "Son 6 ay",
+      historyChartLabel: "Son 6 ay bütçe ve gerçekleşen sütun grafiği",
+      month: "Ay",
+      noLimit: "Bütçe yok",
+      covered: "üst kategoride",
+    },
+    csvFiles: {
+      categories: (month: string) => `butcem-kategori-dagilimi-${month}.csv`,
+      trend: (date: string) => `butcem-aylik-trend-${date}.csv`,
+      people: (month: string) => `butcem-kisi-bazli-${month}.csv`,
+      accounts: (month: string) => `butcem-hesap-bazli-${month}.csv`,
+      budget: (month: string) => `butcem-butce-gerceklesen-${month}.csv`,
+    },
+    csvHeaders: {
+      categories: [
+        "Üst kategori",
+        "Kategori",
+        "Tutar",
+        "Toplam gidere oran (%)",
+        "Önceki ay",
+        "Değişim",
+        "Değişim (%)",
+      ],
+      trend: ["Ay", "Gelir", "Gider", "Net", "Tasarruf oranı (%)"],
+      people: ["Kişi", "Gider", "İşlem sayısı", "Oran (%)"],
+      accounts: [
+        "Hesap",
+        "Gelir",
+        "Gider",
+        "Gelen transfer",
+        "Giden transfer",
+        "Net değişim",
+        "İşlem sayısı",
+      ],
+      budget: ["Kategori", "Limit", "Gerçekleşen", "Kalan", "Kullanım (%)"],
+    },
+  },
   dashboard: {
     title: "Ana sayfa",
     welcome: (name: string) => `Hoş geldin, ${name}`,
@@ -1875,6 +2013,23 @@ export const tr = {
       netWorth: "Net varlık",
     },
     noData: "Henüz veri yok",
+    overview: {
+      title: "Gelir, bütçe ve gider",
+      description: (range: string) => `${range}. Bütçe ayına göre.`,
+      periods: { week: "Haftalık", month: "Aylık", half: "Altı aylık", year: "Yıllık" },
+      views: { cumulative: "Kümülatif", periodic: "Dönemsel" },
+      periodLabel: "Periyot",
+      viewLabel: "Görünüm",
+      series: {
+        plannedIncome: "Planlanan gelir",
+        budget: "Planlanan gider (bütçe)",
+        actual: "Gerçekleşen gider",
+      },
+      chartLabel: "Planlanan gelir, planlanan gider ve gerçekleşen gider çizgi grafiği",
+      noBudget: "Bütçesi olmayan dönemde planlanan gider çizgisi boş kalır.",
+      table: "Tablo olarak göster",
+      bucket: { day: "Gün", month: "Ay" },
+    },
   },
   adminUsers: {
     title: "Kullanıcılar",
diff --git a/src/shared/overview.test.ts b/src/shared/overview.test.ts
new file mode 100644
index 0000000..1817cbe
--- /dev/null
+++ b/src/shared/overview.test.ts
@@ -0,0 +1,53 @@
+import { describe, expect, it } from "vitest";
+import { cumulative, overviewRange, weekday } from "./overview";
+
+describe("overviewRange", () => {
+  it("haftalık: Pazartesi–Pazar, bugünü içerir", () => {
+    // 2026-11-07 Cumartesi.
+    expect(weekday("2026-11-07")).toBe(5);
+    const r = overviewRange("week", "2026-11-07");
+    expect(r).toMatchObject({ granularity: "day", from: "2026-11-02", to: "2026-11-08" });
+    expect(r.buckets).toHaveLength(7);
+    // Ay sınırını aşan hafta.
+    expect(overviewRange("week", "2026-12-01").from).toBe("2026-11-30");
+  });
+
+  it("aylık: bütçe ayının günleri (başlangıç günü 15)", () => {
+    const r = overviewRange("month", "2026-11-07", 15);
+    expect(r.from).toBe("2026-10-15");
+    expect(r.to).toBe("2026-11-14");
+    expect(r.buckets).toHaveLength(31);
+    expect(overviewRange("month", "2026-11-07").buckets).toHaveLength(30);
+  });
+
+  it("altı aylık ve yıllık: bu ay dahil son 6 / 12 bütçe ayı", () => {
+    const half = overviewRange("half", "2026-11-07");
+    expect(half).toMatchObject({ granularity: "month", from: "2026-06-01", to: "2026-11-30" });
+    expect(half.buckets).toEqual([
+      "2026-06",
+      "2026-07",
+      "2026-08",
+      "2026-09",
+      "2026-10",
+      "2026-11",
+    ]);
+    const year = overviewRange("year", "2026-01-20", 15);
+    expect(year.buckets[0]).toBe("2025-02");
+    expect(year.buckets.at(-1)).toBe("2026-01");
+  });
+});
+
+describe("cumulative", () => {
+  it("seriler ayrı birikir; boş nokta boş kalır, toplamı bozmaz", () => {
+    const out = cumulative([
+      { key: "a", plannedIncome: 100, budget: 50, actual: 10 },
+      { key: "b", plannedIncome: 0, budget: null, actual: 20 },
+      { key: "c", plannedIncome: 50, budget: 30, actual: null },
+    ]);
+    expect(out.map((p) => [p.plannedIncome, p.budget, p.actual])).toEqual([
+      [100, 50, 10],
+      [100, null, 30],
+      [150, 80, null],
+    ]);
+  });
+});
diff --git a/src/shared/overview.ts b/src/shared/overview.ts
new file mode 100644
index 0000000..e13e8a3
--- /dev/null
+++ b/src/shared/overview.ts
@@ -0,0 +1,76 @@
+import { budgetPeriod, daysBetween, periodOfDate, shiftMonth } from "./budget";
+import { addDays } from "./recurrence";
+
+/**
+ * Dashboard ana grafiği (Bölüm 6.13): Planlanan Gelir, Planlanan Gider (Bütçe), Gerçekleşen Gider.
+ * Saf fonksiyonlar: periyot aralığı ve kümülatif dönüşüm.
+ *
+ * Periyotlar: Haftalık (bu hafta, Pazartesi–Pazar, günlük), Aylık (içinde bulunulan bütçe ayı,
+ * günlük), Altı Aylık ve Yıllık (bu bütçe ayı dahil son 6 / 12 bütçe ayı, aylık).
+ */
+
+export const OVERVIEW_PERIODS = ["week", "month", "half", "year"] as const;
+export type OverviewPeriod = (typeof OVERVIEW_PERIODS)[number];
+
+export type OverviewRange = {
+  granularity: "day" | "month";
+  /** Günlükte "YYYY-MM-DD", aylıkta bütçe ayı "YYYY-MM". */
+  buckets: string[];
+  from: string;
+  to: string;
+};
+
+/** "YYYY-MM-DD" → haftanın günü (0 = Pazartesi … 6 = Pazar). */
+export function weekday(ymd: string): number {
+  const d = new Date(`${ymd}T12:00:00Z`).getUTCDay();
+  return (d + 6) % 7;
+}
+
+export function overviewRange(period: OverviewPeriod, today: string, startDay = 1): OverviewRange {
+  if (period === "week") {
+    const from = addDays(today, -weekday(today));
+    const buckets = Array.from({ length: 7 }, (_, i) => addDays(from, i));
+    return { granularity: "day", buckets, from, to: buckets[6]! };
+  }
+  const current = periodOfDate(today, startDay);
+  if (period === "month") {
+    const { from, to } = budgetPeriod(current, startDay);
+    const buckets = Array.from({ length: daysBetween(from, to) }, (_, i) => addDays(from, i));
+    return { granularity: "day", buckets, from, to };
+  }
+  const n = period === "half" ? 6 : 12;
+  const buckets = Array.from({ length: n }, (_, i) => shiftMonth(current, i - n + 1));
+  return {
+    granularity: "month",
+    buckets,
+    from: budgetPeriod(buckets[0]!, startDay).from,
+    to: budgetPeriod(buckets.at(-1)!, startDay).to,
+  };
+}
+
+export type OverviewPoint = {
+  key: string;
+  plannedIncome: number | null;
+  budget: number | null;
+  actual: number | null;
+};
+
+const SERIES = ["plannedIncome", "budget", "actual"] as const;
+
+/**
+ * Kümülatif görünüm: her seri kendi içinde birikir. Boş (null) nokta boş kalır ama birikime 0
+ * katar; böylece bütçesi olmayan ay ya da gelecek günler çizgiyi koparır, toplamı bozmaz.
+ */
+export function cumulative(points: readonly OverviewPoint[]): OverviewPoint[] {
+  const run = { plannedIncome: 0, budget: 0, actual: 0 };
+  return points.map((p) => {
+    const out: OverviewPoint = { ...p };
+    for (const k of SERIES) {
+      const v = p[k];
+      if (v === null) continue;
+      run[k] += v;
+      out[k] = run[k];
+    }
+    return out;
+  });
+}
diff --git a/src/shared/reports.test.ts b/src/shared/reports.test.ts
new file mode 100644
index 0000000..54a24b0
--- /dev/null
+++ b/src/shared/reports.test.ts
@@ -0,0 +1,62 @@
+import { describe, expect, it } from "vitest";
+import { categoryBreakdown, changePct, savingsRate, sharePct } from "./reports";
+
+describe("oranlar", () => {
+  it("toplam gidere oran bir ondalıklı (35.000 içinde 5.000 → %14,3)", () => {
+    expect(sharePct(5_000_00, 35_000_00)).toBe(14.3);
+    expect(sharePct(1, 0)).toBe(0);
+  });
+  it("önceki aya göre değişim; önceki 0 ise null", () => {
+    expect(changePct(120, 100)).toBe(20);
+    expect(changePct(90, 120)).toBe(-25);
+    expect(changePct(50, 0)).toBeNull();
+  });
+  it("tasarruf oranı; gelir yoksa null, gider gelirden fazlaysa negatif", () => {
+    expect(savingsRate(50_000_00, 35_000_00)).toBe(30);
+    expect(savingsRate(10_000_00, 12_000_00)).toBe(-20);
+    expect(savingsRate(0, 100)).toBeNull();
+  });
+});
+
+describe("categoryBreakdown", () => {
+  const cats = [
+    { id: "fatura", parentId: null, name: "Faturalar", order: 1 },
+    { id: "elektrik", parentId: "fatura", name: "Elektrik", order: 1 },
+    { id: "su", parentId: "fatura", name: "Su", order: 2 },
+    { id: "market", parentId: null, name: "Market", order: 2 },
+    { id: "gida", parentId: "market", name: "Gıda", order: 1 },
+    { id: "ulasim", parentId: null, name: "Ulaşım", order: 3 },
+  ];
+
+  it("üst kategori alt ağacı toplar; oranlar toplam gidere göre; boşlar gizli", () => {
+    const current = new Map([
+      ["elektrik", 3_000_00],
+      ["su", 2_000_00],
+      ["gida", 25_000_00],
+      ["market", 5_000_00],
+    ]);
+    const previous = new Map([
+      ["elektrik", 2_500_00],
+      ["gida", 20_000_00],
+      ["ulasim", 1_000_00],
+    ]);
+    const b = categoryBreakdown(cats, current, previous);
+    expect(b.totalMinor).toBe(35_000_00);
+    expect(b.prevTotalMinor).toBe(23_500_00);
+    expect(b.rows.map((r) => [r.id, r.amountMinor, r.sharePct])).toEqual([
+      ["market", 30_000_00, 85.7],
+      ["fatura", 5_000_00, 14.3],
+      // Bu ay harcama yok ama geçen ay vardı: değişimi göstermek için kalır.
+      ["ulasim", 0, 0],
+    ]);
+    const fatura = b.rows.find((r) => r.id === "fatura")!;
+    expect(fatura.children.map((c) => [c.id, c.amountMinor, c.changePct])).toEqual([
+      ["elektrik", 3_000_00, 20],
+      ["su", 2_000_00, null],
+    ]);
+    const market = b.rows.find((r) => r.id === "market")!;
+    expect(market.ownMinor).toBe(5_000_00);
+    expect(market.changePct).toBe(50);
+    expect(b.rows.find((r) => r.id === "ulasim")!.changeMinor).toBe(-1_000_00);
+  });
+});
diff --git a/src/shared/reports.ts b/src/shared/reports.ts
new file mode 100644
index 0000000..76ed794
--- /dev/null
+++ b/src/shared/reports.ts
@@ -0,0 +1,120 @@
+/**
+ * Raporlar (Bölüm 6.14). Saf hesaplar: kategori dağılımı (üst kategori toplamları ve alt kategori
+ * kırılımı), toplam gidere oran, önceki aya göre değişim, tasarruf oranı. Tutarlar kuruş; oranlar
+ * bir ondalıklı yüzde (14,3).
+ */
+
+/** Payın toplamdaki yüzdesi, bir ondalık (toplam 0 ise 0). */
+export function sharePct(part: number, total: number): number {
+  if (total <= 0) return 0;
+  return Math.round((part * 1000) / total) / 10;
+}
+
+/** Önceki döneme göre yüzde değişim; önceki 0 ise hesaplanamaz (null). */
+export function changePct(current: number, previous: number): number | null {
+  if (previous === 0) return null;
+  return Math.round(((current - previous) * 1000) / previous) / 10;
+}
+
+/** Tasarruf oranı = (gelir − gider) / gelir; gelir yoksa null. */
+export function savingsRate(incomeMinor: number, expenseMinor: number): number | null {
+  if (incomeMinor <= 0) return null;
+  return sharePct(incomeMinor - expenseMinor, incomeMinor);
+}
+
+export type ReportCategory = {
+  id: string;
+  parentId: string | null;
+  name: string;
+  order: number;
+};
+
+export type CategoryShare = {
+  id: string;
+  name: string;
+  depth: number;
+  amountMinor: number;
+  sharePct: number;
+  prevMinor: number;
+  changeMinor: number;
+  changePct: number | null;
+};
+
+export type TopCategoryShare = CategoryShare & {
+  /** Alt kategoriler (ağaç sırasıyla, derinlik 1+); tutarları kendi tutarlarıdır. */
+  children: CategoryShare[];
+  /** Üst kategoriye doğrudan (alt kategori seçilmeden) yazılan tutar. */
+  ownMinor: number;
+};
+
+export type CategoryBreakdown = {
+  totalMinor: number;
+  prevTotalMinor: number;
+  rows: TopCategoryShare[];
+};
+
+/**
+ * Üst kategori toplamları (alt ağaç dahil) ve alt kategori kırılımı. Tutarı ve önceki tutarı
+ * sıfır olan kategoriler gösterilmez. Satırlar tutara göre büyükten küçüğe.
+ */
+export function categoryBreakdown(
+  categories: readonly ReportCategory[],
+  current: ReadonlyMap<string, number>,
+  previous: ReadonlyMap<string, number>,
+): CategoryBreakdown {
+  const byId = new Map(categories.map((c) => [c.id, c]));
+  const children = new Map<string, ReportCategory[]>();
+  const roots: ReportCategory[] = [];
+  for (const c of categories) {
+    if (c.parentId && byId.has(c.parentId))
+      children.set(c.parentId, [...(children.get(c.parentId) ?? []), c]);
+    else roots.push(c);
+  }
+  const sorted = (list: ReportCategory[]) =>
+    [...list].sort((a, b) => a.order - b.order || a.name.localeCompare(b.name, "tr"));
+  const totalMinor = [...current.values()].reduce((a, b) => a + b, 0);
+  const prevTotalMinor = [...previous.values()].reduce((a, b) => a + b, 0);
+
+  const share = (id: string, name: string, depth: number, cur: number, prev: number) => ({
+    id,
+    name,
+    depth,
+    amountMinor: cur,
+    sharePct: sharePct(cur, totalMinor),
+    prevMinor: prev,
+    changeMinor: cur - prev,
+    changePct: changePct(cur, prev),
+  });
+
+  const rows: TopCategoryShare[] = [];
+  for (const root of roots) {
+    const kids: CategoryShare[] = [];
+    let cur = current.get(root.id) ?? 0;
+    let prev = previous.get(root.id) ?? 0;
+    const walk = (list: ReportCategory[], depth: number, seen: Set<string>) => {
+      for (const c of sorted(list)) {
+        if (seen.has(c.id)) continue;
+        seen.add(c.id);
+        const a = current.get(c.id) ?? 0;
+        const p = previous.get(c.id) ?? 0;
+        cur += a;
+        prev += p;
+        const sub = children.get(c.id) ?? [];
+        const before = kids.length;
+        kids.push(share(c.id, c.name, depth, a, p));
+        walk(sub, depth + 1, seen);
+        // Kendisi ve altı boşsa satırı çıkar.
+        if (a === 0 && p === 0 && kids.length === before + 1) kids.pop();
+      }
+    };
+    walk(children.get(root.id) ?? [], 1, new Set([root.id]));
+    if (cur === 0 && prev === 0) continue;
+    rows.push({
+      ...share(root.id, root.name, 0, cur, prev),
+      ownMinor: current.get(root.id) ?? 0,
+      children: kids,
+    });
+  }
+  rows.sort((a, b) => b.amountMinor - a.amountMinor || a.name.localeCompare(b.name, "tr"));
+  return { totalMinor, prevTotalMinor, rows };
+}