Redesign home dashboard and app shell to match Mento mockup.

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

apps/api/src/common/jalali.ts

@@ -0,0 +1,114 @@
+const MONTH_NAMES = [
+  'فروردین',
+  'اردیبهشت',
+  'خرداد',
+  'تیر',
+  'مرداد',
+  'شهریور',
+  'مهر',
+  'آبان',
+  'آذر',
+  'دی',
+  'بهمن',
+  'اسفند',
+] as const;
+
+function div(a: number, b: number) {
+  return Math.trunc(a / b);
+}
+
+function mod(a: number, b: number) {
+  return a - Math.trunc(a / b) * b;
+}
+
+export function toJalali(gy: number, gm: number, gd: number) {
+  const gdm = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
+  const gy2 = gm > 2 ? gy + 1 : gy;
+  let days =
+    355666 +
+    365 * gy +
+    div(gy2 + 3, 4) -
+    div(gy2 + 99, 100) +
+    div(gy2 + 399, 400) +
+    gd +
+    gdm[gm - 1];
+  let jy = -1595 + 33 * div(days, 12053);
+  days %= 12053;
+  jy += 4 * div(days, 1461);
+  days %= 1461;
+  if (days > 365) {
+    jy += div(days - 1, 365);
+    days = (days - 1) % 365;
+  }
+  const jm = days < 186 ? 1 + div(days, 31) : 7 + div(days - 186, 30);
+  const jd = 1 + (days < 186 ? days % 31 : (days - 186) % 30);
+  return { jy, jm, jd };
+}
+
+export function toGregorian(jy: number, jm: number, jd: number) {
+  const jy2 = jy + 1595;
+  let days =
+    -355668 +
+    365 * jy2 +
+    div(jy2, 33) * 8 +
+    div(mod(jy2, 33) + 3, 4) +
+    jd +
+    (jm < 7 ? (jm - 1) * 31 : (jm - 7) * 30 + 186);
+  let gy = 400 * div(days, 146097);
+  days %= 146097;
+  if (days > 36524) {
+    gy += 100 * div(--days, 36524);
+    days %= 36524;
+    if (days >= 365) days += 1;
+  }
+  gy += 4 * div(days, 1461);
+  days %= 1461;
+  if (days > 365) {
+    gy += div(days - 1, 365);
+    days = (days - 1) % 365;
+  }
+  const gd = days + 1;
+  const salA = [
+    0, 31, (gy % 4 === 0 && gy % 100 !== 0) || gy % 400 === 0 ? 29 : 28,
+    31, 30, 31, 30, 31, 31, 30, 31, 30, 31,
+  ];
+  let gm = 0;
+  let dayAcc = gd;
+  for (gm = 1; gm <= 12 && dayAcc > salA[gm]; gm += 1) {
+    dayAcc -= salA[gm];
+  }
+  return { gy, gm, gd: dayAcc };
+}
+
+export function dateToJalali(d: Date) {
+  return toJalali(d.getFullYear(), d.getMonth() + 1, d.getDate());
+}
+
+export function jalaliToDate(jy: number, jm: number, jd: number): Date {
+  const { gy, gm, gd } = toGregorian(jy, jm, jd);
+  return new Date(gy, gm - 1, gd);
+}
+
+export function addJalaliMonths(jy: number, jm: number, delta: number) {
+  const idx = jy * 12 + (jm - 1) + delta;
+  return { jy: Math.floor(idx / 12), jm: (idx % 12) + 1 };
+}
+
+export function jalaliMonthName(jm: number): string {
+  return MONTH_NAMES[jm - 1] ?? '';
+}
+
+export function jalaliMonthKey(d: Date): string {
+  const { jy, jm } = dateToJalali(d);
+  return `${jy}-${String(jm).padStart(2, '0')}`;
+}
+
+export function startOfJalaliMonth(jy: number, jm: number): Date {
+  return jalaliToDate(jy, jm, 1);
+}
+
+export function endOfJalaliMonth(jy: number, jm: number): Date {
+  const next = addJalaliMonths(jy, jm, 1);
+  const startNext = jalaliToDate(next.jy, next.jm, 1);
+  return new Date(startNext.getTime() - 1);
+}