udpate the ordering of the cards to be oldest first by set

data/cards.json

@@ -4923,5 +4923,5 @@
   "count": 44,
   "totalCount": 44,
   "cached": false,
-  "updatedAt": "2025-08-17T12:00:51.895Z"
+  "updatedAt": "2025-08-17T12:09:13.846Z"
 }

data/checklist.json

@@ -1,20 +1 @@
-{
+{}
-  "det1-8": {
-    "base": true,
-    "holofoil": true
-  },
-  "xy7-19": {
-    "base": true,
-    "reverseHolofoil": true
-  },
-  "sm115-15": {
-    "base": true,
-    "reverseHolofoil": true
-  },
-  "sm75-19": {
-    "base": true
-  },
-  "mcd16-4": {
-    "base": true
-  }
-}

src/app/page.tsx

@@ -36,7 +36,24 @@ export default function Page() {
         const res = await fetch('/api/magikarp?pageSize=250');
         if (!res.ok) throw new Error('Failed to fetch');
         const json = await res.json();
-        setCards(json.data || []);
+        const list: TcgCard[] = json.data || [];
+        list.sort((a, b) => {
+          const da = Date.parse(a.set.releaseDate || '');
+          const db = Date.parse(b.set.releaseDate || '');
+          if (Number.isFinite(da) && Number.isFinite(db)) {
+            if (da !== db) return da - db; // oldest first
+          } else if (Number.isFinite(da)) {
+            return -1;
+          } else if (Number.isFinite(db)) {
+            return 1;
+          }
+          // tie-breaker by card number if numeric
+          const na = parseInt(a.number, 10);
+          const nb = parseInt(b.number, 10);
+          if (Number.isFinite(na) && Number.isFinite(nb)) return na - nb;
+          return a.number.localeCompare(b.number);
+        });
+        setCards(list);
         if (json.note) setNote(String(json.note));
         if (json.updatedAt) setUpdatedAt(String(json.updatedAt));
         if (typeof json.cached === 'boolean') setCachedFlag(json.cached);
@@ -56,7 +73,23 @@ export default function Page() {
       const res = await fetch('/api/magikarp?pageSize=250&refresh=1', { cache: 'no-store' });
       if (!res.ok) throw new Error('Failed to refresh');
       const json = await res.json();
-      setCards(json.data || []);
+      const list: TcgCard[] = json.data || [];
+      list.sort((a, b) => {
+        const da = Date.parse(a.set.releaseDate || '');
+        const db = Date.parse(b.set.releaseDate || '');
+        if (Number.isFinite(da) && Number.isFinite(db)) {
+          if (da !== db) return da - db; // oldest first
+        } else if (Number.isFinite(da)) {
+          return -1;
+        } else if (Number.isFinite(db)) {
+          return 1;
+        }
+        const na = parseInt(a.number, 10);
+        const nb = parseInt(b.number, 10);
+        if (Number.isFinite(na) && Number.isFinite(nb)) return na - nb;
+        return a.number.localeCompare(b.number);
+      });
+      setCards(list);
       if (json.note) setNote(String(json.note)); else setNote(null);
       if (json.updatedAt) setUpdatedAt(String(json.updatedAt));
       if (typeof json.cached === 'boolean') setCachedFlag(json.cached);

src/types/pokemon.ts

@@ -2,6 +2,7 @@ export type TcgSet = {
   id: string;
   name: string;
   series: string;
+  releaseDate?: string;
   printedTotal?: number;
   total?: number;
   images?: {