Sync time entries with invoice lines and harden auth for mobile.

Link clocked time to invoice items with bidirectional sync, add entry editing on web, broaden session cookie detection for Expo clients, and handle API rate limits without signing users out.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/lib/receipt-parse.ts

@@ -0,0 +1,63 @@
+export type ReceiptParseResult = {
+  amount: number | null;
+  date: Date | null;
+  vendor: string | null;
+  rawLines: string[];
+};
+
+const AMOUNT_PATTERNS = [
+  /(?:total|amount due|balance due|grand total)[:\s]*\$?\s*([\d,]+\.\d{2})/i,
+  /\$\s*([\d,]+\.\d{2})\s*(?:total|due)?/i,
+  /(?:USD|CAD|EUR)\s*([\d,]+\.\d{2})/i,
+];
+
+const DATE_PATTERNS = [
+  /(\d{1,2}[/.-]\d{1,2}[/.-]\d{2,4})/,
+  /(\d{4}[/.-]\d{1,2}[/.-]\d{1,2})/,
+];
+
+function parseAmount(text: string): number | null {
+  for (const pattern of AMOUNT_PATTERNS) {
+    const match = text.match(pattern);
+    if (!match?.[1]) continue;
+    const value = Number(match[1].replace(/,/g, ""));
+    if (Number.isFinite(value) && value > 0) return value;
+  }
+
+  const amounts = [...text.matchAll(/\$\s*([\d,]+\.\d{2})/g)]
+    .map((m) => Number(m[1]!.replace(/,/g, "")))
+    .filter((n) => Number.isFinite(n) && n > 0);
+
+  return amounts.length > 0 ? Math.max(...amounts) : null;
+}
+
+function parseDate(text: string): Date | null {
+  for (const pattern of DATE_PATTERNS) {
+    const match = text.match(pattern);
+    if (!match?.[1]) continue;
+    const parsed = new Date(match[1]);
+    if (!Number.isNaN(parsed.getTime())) return parsed;
+  }
+  return null;
+}
+
+function parseVendor(lines: string[]): string | null {
+  const candidate = lines.find((line) => line.trim().length >= 3);
+  return candidate?.trim().slice(0, 120) ?? null;
+}
+
+/** Heuristic receipt field extraction from OCR or pasted text. */
+export function parseReceiptText(text: string): ReceiptParseResult {
+  const normalized = text.replace(/\r/g, "\n").trim();
+  const rawLines = normalized
+    .split("\n")
+    .map((line) => line.trim())
+    .filter(Boolean);
+
+  return {
+    amount: parseAmount(normalized),
+    date: parseDate(normalized),
+    vendor: parseVendor(rawLines),
+    rawLines,
+  };
+}