fix: lazyloading main SP list when Thêm SP exist — topAdded branch passes full pool

src/vaix-rag.js

@@ -2073,14 +2073,18 @@ function renderDiversePanel(count) {
     // (load() merges products_url_added into allProducts and prepends them).
     // Skip any base product whose sku/slug/link already appears in topAdded so
     // the same "Thêm SP" product never renders twice (duplicate cards).
-    let room = n;
+    // LAZY-LOAD FIX: when fullPool (panel open, n>=20) we pass the ENTIRE
+    // deduped list (max 6k, then full) so renderPanelResults' lazy pagination
+    // engages (first 24 + "▼ Xem mai multo" + scroll). Previously this branch
+    // capped at n=20 and lazy loading NEVER appeared on the main SP list.
     const out = [];
-    for (let i = 0; i < topAdded.length && room > 0; i++) { out.push(topAdded[i]); room--; }
-    for (let i = 0; i < base.length && room > 0; i++) {
+    for (let i = 0; i < topAdded.length; i++) { out.push(topAdded[i]); }
+    let _room = fullPool ? Math.max(n, 6000) : n;
+    for (let i = 0; i < base.length && _room > 0; i++) {
       const b = base[i];
       const k = String((b.sku || b.model || '') + '|' + (b.link || '')).toUpperCase();
       if (seenTop.has(k)) continue;
-      out.push(b); room--;
+      out.push(b); _room--;
     }
     renderPanelResults(out);
     return;