Referral page, bug fixes, seed data, persona tiers

- New /refer page with share/copy/stats
- Fixed modal z-index conflicts (z-50 → z-[60]) across forum, groups, souq, halal-monitor
- Seed route: forum categories, marketplace listings, private groups
- Mufti/Daie personas now available in Premium tier
- Fixed referral share link: falahos.my/mobile/auth?ref=CODE
- Fixed client-side persona access check for premium

src/app/halal-monitor/page.tsx

@@ -76,7 +76,7 @@ export default function HalalMonitorPage() {
 
   // ── Redirect if not logged in ──────────────────────────────────────────
   useEffect(() => {
-    if (!loading && !token) router.push("/login");
+    if (!loading && !token) router.push("/auth");
   }, [loading, token, router]);
 
   // ── Fetch places ───────────────────────────────────────────────────────
@@ -86,7 +86,7 @@ export default function HalalMonitorPage() {
       if (q) params.set("q", q);
       if (type && type !== "all") params.set("type", type);
 
-      const res = await fetch(`/api/halal/places?${params.toString()}`);
+      const res = await fetch(`/mobile/api/halal/places?${params.toString()}`);
       if (res.ok) {
         const data = await res.json();
         setPlaces(data.places);
@@ -192,7 +192,7 @@ export default function HalalMonitorPage() {
       if (!token) return;
       const existing = bookmarks.find((b) => b.itemId === place.id);
       if (existing) {
-        const res = await fetch(`/api/halal/bookmarks?id=${existing.id}`, {
+        const res = await fetch(`/mobile/api/halal/bookmarks?id=${existing.id}`, {
           method: "DELETE",
           headers: { Authorization: `Bearer ${token}` },
         });
@@ -515,7 +515,7 @@ export default function HalalMonitorPage() {
       {/* ── Detail Modal ────────────────────────────────────────────────── */}
       {selectedPlace && (
         <div
-          className="fixed inset-0 z-50 bg-black/70 flex items-end sm:items-center justify-center"
+          className="fixed inset-0 z-[60] bg-black/70 flex items-end sm:items-center justify-center"
           onClick={() => setSelectedPlace(null)}
         >
           <div