feat: Sprint 2 — Visit history, topic selector, date picker, home dashboard with stats and FAB

lib/visitHelpers.ts

@@ -0,0 +1,40 @@
+import * as Crypto from 'expo-crypto';
+
+export interface Visit {
+  id: string;
+  contactId: string;
+  visitedByName: string;
+  visitedById: string;
+  visitDate: number;
+  topic?: string;
+  response?: string;
+  remarks?: string;
+  nextVisitDate?: number;
+  createdAt: number;
+  updatedAt: number;
+}
+
+export function dbToVisit(row: any): Visit {
+  return {
+    id: row.id,
+    contactId: row.contact_id,
+    visitedByName: row.visited_by_name,
+    visitedById: row.visited_by_id,
+    visitDate: row.visit_date,
+    topic: row.topic,
+    response: row.response,
+    remarks: row.remarks,
+    nextVisitDate: row.next_visit_date,
+    createdAt: row.created_at,
+    updatedAt: row.updated_at,
+  };
+}
+
+export function newVisitId(): string {
+  return Crypto.randomUUID();
+}
+
+export function formatDate(timestamp: number): string {
+  const d = new Date(timestamp * 1000);
+  return d.toLocaleDateString('en-PH', { year: 'numeric', month: 'short', day: 'numeric' });
+}