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app/types/cashflow.ts

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+export interface Transaction {
+  id?: string;
+  date: Date;
+  description: string;
+  amount: number; // Personal portion (after business split) in CAD
+  totalAmount?: number; // Total original amount in CAD
+  businessAmount?: number; // Business portion in CAD
+  businessPercentage?: number; // Percentage attributed to business (0-100)
+  originalAmount?: number; // Original amount before conversion
+  originalCurrency?: string; // Original currency (CAD, EUR, etc.)
+  currency?: string; // Current/display currency (for backward compatibility)
+  category: string;
+  type: "recurring" | "one-time";
+  program?: string;
+  status?: "actual" | "committed" | "projected";
+  fundType?: "restricted" | "unrestricted";
+  frequency?: "weekly" | "biweekly" | "monthly" | "quarterly" | "custom";
+  customMonths?: number;
+  endDate?: Date;
+  probability: number;
+  isConfirmed: boolean;
+  isTest?: boolean;
+  notes?: string;
+  projectedDate?: Date;
+  runningBalance?: number;
+}
+
+export interface RevenueOpportunity {
+  _id?: string;
+  id?: string;
+  source: string;
+  amount: number;
+  probability: number;
+  targetDate: Date;
+  stage: string;
+  notes?: string;
+  createdAt?: Date;
+  updatedAt?: Date;
+}
+
+export interface CashFlowProjection {
+  date: Date;
+  balance: number;
+  inflow: number;
+  outflow: number;
+  netFlow: number;
+  projectedBalance: number;
+}
+
+export interface RunwayScenarios {
+  conservative: number;
+  realistic: number;
+  optimistic: number;
+  cashOnly: number;
+}
+
+export interface CashPosition {
+  balance: number;
+  totalInflow: number;
+  totalOutflow: number;
+  netFlow: number;
+}
+
+export interface TransactionForecast {
+  month: Date;
+  recurring: Transaction[];
+  oneTime: Transaction[];
+  pipeline: Transaction[];
+  totalInflow: number;
+  totalOutflow: number;
+  runningBalance: number;
+}
+
+export interface CombinedCashFlow {
+  historical: CashFlowProjection[];
+  projected: CashFlowProjection[];
+  combined: CashFlowProjection[];
+  currentBalanceIndex: number;
+}
+
+export interface AffordabilityCheck {
+  canAfford: boolean;
+  currentAvailable?: number;
+  newBalance?: number;
+  currentRunwayWeeks?: number;
+  newRunwayWeeks?: number;
+  riskLevel?: string;
+  recommendation?: string;
+  reason?: string;
+  availableAmount?: number;
+  shortfall?: number;
+}