Initial commit: FPT Financial Planning Tool

src/lib/types.ts

@@ -0,0 +1,98 @@
+// Domain-Typen fuer die Berechnungslogik (lib/calculations.ts) und die API-Payloads.
+// Bewusst von den generierten Prisma-Typen entkoppelt, damit die Berechnungslogik
+// unabhaengig von der konkreten DB-Repraesentation testbar bleibt.
+
+export type HouseholdType = "SINGLE" | "COUPLE";
+export type PersonRole = "PERSON_A" | "PERSON_B";
+export type IncomeMode = "PER_PERSON" | "HOUSEHOLD";
+export type OwnerTag = "PERSON_A" | "PERSON_B" | "HOUSEHOLD";
+export type OneTimeEventType = "INCOME" | "EXPENSE";
+export type TransitionDecision = "CARRY_OVER" | "SELL";
+export type PositionType = "SECURITY" | "REAL_ESTATE";
+
+export interface PersonInput {
+  id: string;
+  role: PersonRole;
+  age: number;
+  retirementAge: number;
+}
+
+export interface HouseholdInput {
+  id: string;
+  householdType: HouseholdType;
+  inflationRateDefault: number;
+  persons: PersonInput[];
+}
+
+export interface IncomeEntryInput {
+  id: string;
+  personId: string | null;
+  label: string | null;
+  amount: number;
+}
+
+export interface ExpenseEntryInput {
+  id: string;
+  label: string | null;
+  amount: number;
+}
+
+export interface SecurityInput {
+  id: string;
+  name: string;
+  startValue: number;
+  expectedReturn: number;
+  annualContribution: number;
+  ownerTag: OwnerTag;
+  saleTaxRate: number;
+}
+
+export interface RealEstateInput {
+  id: string;
+  name: string;
+  marketValue: number;
+  mortgage: number;
+  valueGrowth: number;
+  amortization: number;
+  salePrice: number | null;
+  saleTaxRate: number;
+}
+
+export interface OneTimeEventInput {
+  id: string;
+  type: OneTimeEventType;
+  amount: number;
+  description: string | null;
+}
+
+export interface RetirementInfoInput {
+  id: string;
+  personId: string;
+  ahvAmount: number;
+  pkPensionAmount: number;
+  lumpSumAmount: number;
+  lumpSumTaxRate: number;
+}
+
+export interface PhaseInput {
+  id: string;
+  sequenceNumber: number;
+  name: string;
+  durationYears: number;
+  inflationRate: number | null;
+  incomeMode: IncomeMode;
+  incomeEntries: IncomeEntryInput[];
+  expenseEntries: ExpenseEntryInput[];
+  securities: SecurityInput[];
+  realEstates: RealEstateInput[];
+  oneTimeEvents: OneTimeEventInput[];
+  retirementInfos: RetirementInfoInput[];
+}
+
+export interface PlanInput {
+  id: string;
+  name: string;
+  parentPlanId: string | null;
+  branchFromPhaseId: string | null;
+  phases: PhaseInput[];
+}