feat(api): add Goal and Transaction types

src/lib/api.ts

@@ -154,3 +154,35 @@ export interface Briefing {
   };
   aiExplanation: string | null;
 }
+
+export type GoalStatus = 'not_started' | 'on_track' | 'at_risk' | 'achieved' | 'abandoned';
+
+export interface Goal {
+  id: string;
+  tenantId: string;
+  ownerUserId: string;
+  horizon: string;
+  metric: string;
+  target: string;
+  milestones: unknown[];
+  status: GoalStatus;
+  createdAt: string;
+  updatedAt: string;
+}
+
+export type EvidenceStatus = 'missing' | 'partial' | 'complete' | 'not_required';
+
+export interface Transaction {
+  id: string;
+  tenantId: string;
+  organizationId: string;
+  type: string;
+  /** Stored as string from DB (numeric type). */
+  amountMinorUnits: string;
+  currency: string;
+  transactionDate: string;
+  evidenceStatus: EvidenceStatus;
+  source: string | null;
+  createdAt: string;
+  updatedAt: string;
+}