Danh sách chia sẻ (BIGSALE/COMBO/FLASHSALE) + Xóa admin + /api/delete-promo

big_sale.js

@@ -84,9 +84,7 @@ function buildProductCard(p) {
         <span class="big-sale-price-original">${formatVND(p.price)}</span>
         <span class="big-sale-price-new">${formatVND(p.bigsale)}</span>
       </div>
-      <button type="button" class="big-sale-share-btn" onclick="window.shareBigSale('${p.code}')">
-        <i class="fas fa-share-alt"></i> Chia sẻ link
-      </button>
+      <div class="big-sale-card-actions" id="bsa-${p.code}" style="display:flex;gap:6px;margin-top:8px;flex-wrap:wrap"></div>
     </div>`;
 }
 
@@ -117,7 +115,10 @@ function createBigSaleElements() {
         <span class="big-sale-panel-icon">🔥</span>
         <span>CHƯƠNG TRÌNH BIG SALE</span>
       </div>
-      <span class="big-sale-product-count">${BIG_SALE_PRODUCTS.length} sản phẩm</span>
+      <div style="display:flex;align-items:center;gap:8px">
+        <span class="big-sale-product-count">${BIG_SALE_PRODUCTS.length} sản phẩm</span>
+        <button type="button" class="big-sale-list-share-btn" onclick="event.stopPropagation();window.shareBigSaleList()" style="padding:5px 10px;border:none;border-radius:8px;background:#f97316;color:#fff;font-size:0.68rem;font-weight:700;cursor:pointer;font-family:inherit;white-space:nowrap"><i class="fas fa-share-alt"></i> Chia sẻ danh sách</button>
+      </div>
     </div>
     <div class="big-sale-product-list">
       ${BIG_SALE_PRODUCTS.map(p => buildProductCard(p)).join('')}
@@ -494,6 +495,25 @@ function handleBigSaleUrlParam() {
     var params = new URLSearchParams(location.search);
     var code = params.get('bigsale') || '';
     if (!code) return;
+    // ?bigsale=all → open the FULL list (not a single product).
+    var codeNorm = String(code).trim().toUpperCase().replace(/\s+/g, ' ');
+    if (codeNorm === 'ALL' || codeNorm === 'DANHSACH' || codeNorm === 'LIST') {
+      var triesAll = 0;
+      var ivAll = setInterval(function () {
+        triesAll++;
+        try {
+          if (document.getElementById('big-sale-floating')) {
+            if (!document.getElementById('big-sale-panel')) initBigSale();
+            dismissWelcomeForBigSale();
+            openBigSalePanel();
+            clearInterval(ivAll);
+            return;
+          }
+        } catch (e) {}
+        if (triesAll > 40) clearInterval(ivAll);
+      }, 500);
+      return;
+    }
     var tries = 0;
     var iv = setInterval(function () {
       tries++;
@@ -600,6 +620,81 @@ function refreshBigSalePanel() {
     if (countEl) countEl.textContent = BIG_SALE_PRODUCTS.length + ' sản phẩm';
     if (countBadge) countBadge.textContent = BIG_SALE_PRODUCTS.length + ' SP';
     if (wasOpen) panel.classList.add('open'); else panel.classList.remove('open');
+    injectBigSaleAdminActions();
+  } catch (e) {}
+}
+
+// ── List-level share (toàn bộ danh sách BIG SALE) ──
+// Copies a self-hosted deep link (?bigsale=all) that opens the FULL BIG SALE
+// panel — NOT a single product. Replaces the old per-product share.
+window.shareBigSaleList = function () {
+  var base = window.location.origin + window.location.pathname;
+  var url = base + '?bigsale=all';
+  var done = function () {
+    if (typeof window.toast === 'function') window.toast('✓ Đã copy link chia sẻ danh sách BIG SALE');
+    else alert('Link chia sẻ danh sách BIG SALE:\n' + url);
+  };
+  if (window.navigator && navigator.clipboard && navigator.clipboard.writeText) {
+    navigator.clipboard.writeText(url).then(done).catch(function () { window.prompt('Link chia sẻ danh sách BIG SALE:', url); });
+  } else { window.prompt('Link chia sẻ danh sách BIG SALE:', url); }
+};
+
+// Open the full BIG SALE panel (used by ?bigsale=all deep link).
+function openBigSalePanel() {
+  try {
+    var panel = document.getElementById('big-sale-panel');
+    var floating = document.getElementById('big-sale-floating');
+    if (panel) panel.classList.add('open');
+    if (floating) floating.classList.add('open');
+  } catch (e) {}
+}
+window.openBigSalePanel = openBigSalePanel;
+
+// Admin-only delete for a BIG SALE item (permanent, via /api/delete-promo).
+async function deleteBigSaleProduct(code) {
+  try {
+    var isAdmin = (typeof window.isVaAdmin === 'function') ? window.isVaAdmin() : false;
+    if (!isAdmin) { alert('🔒 Cần nhập mã V.AISTUDIO trên trang chủ.'); return; }
+    if (!window.confirm('Xóa sản phẩm ' + code + ' khỏi danh sách BIG SALE?')) return;
+    var r = await fetch('/api/delete-promo', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json', 'x-vai-admin': '1' },
+      body: JSON.stringify({ type: 'bigsale', key: code })
+    });
+    var d = await r.json().catch(function () { return {}; });
+    if (!r.ok) { alert('❌ ' + (d.error || 'Lỗi xóa')); return; }
+    if (window.toast) window.toast('✓ Đã xóa khỏi BIG SALE');
+    loadBigSaleProducts(true);
+  } catch (e) { alert('❌ Lỗi xóa: ' + (e && e.message || e)); }
+}
+window.deleteBigSaleProduct = deleteBigSaleProduct;
+
+// Inject admin delete buttons into every BIG SALE card (after each render).
+function injectBigSaleAdminActions() {
+  try {
+    var isAdmin = (typeof window.isVaAdmin === 'function') ? window.isVaAdmin() : false;
+    if (!isAdmin) return;
+    var panel = document.getElementById('big-sale-panel');
+    if (!panel) return;
+    var norm = function (s) { return String(s || '').trim().toUpperCase().replace(/\s+/g, ' '); };
+    var cards = panel.querySelectorAll('.big-sale-product');
+    for (var i = 0; i < cards.length; i++) {
+      var card = cards[i];
+      var code = card.getAttribute('data-code') || '';
+      if (!code) continue;
+      var actions = card.querySelector('.big-sale-card-actions');
+      if (!actions || actions.querySelector('.bs-del-btn')) continue;
+      var del = document.createElement('button');
+      del.type = 'button';
+      del.className = 'bs-del-btn';
+      del.innerHTML = '<i class="fas fa-trash"></i> Xóa';
+      del.style.cssText = "flex:1;padding:6px 8px;border:none;border-radius:8px;background:#dc2626;color:#fff;font-size:0.7rem;font-weight:700;cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;justify-content:center;gap:5px";
+      del.addEventListener('click', function (e) {
+        e.stopPropagation();
+        window.deleteBigSaleProduct(code);
+      });
+      actions.appendChild(del);
+    }
   } catch (e) {}
 }
 
@@ -609,13 +704,15 @@ function initBigSale() {
   // Load admin-managed BIGSALE products from the Promo CMS backend.
   loadBigSaleProducts().then(function (list) {
     console.log('[BIG SALE] Dynamic list loaded: ' + list.length + ' products');
+    injectBigSaleAdminActions();
     handleBigSaleUrlParam();
   }).catch(function () {
+    injectBigSaleAdminActions();
     handleBigSaleUrlParam();
   });
   // Listen for CMS saves so the panel stays in sync.
   try {
-    window.addEventListener('vai-promo-changed', function () { loadBigSaleProducts(true); });
+    window.addEventListener('vai-promo-changed', function () { loadBigSaleProducts(true).then(function () { injectBigSaleAdminActions(); }); });
   } catch (e) {}
 }
 

index.html

@@ -758,17 +758,18 @@
          first paint — the welcome/avatar-picker modal renders immediately. -->
     <script defer src="./src/cart-quote.js?gc=33"></script>    <!-- Cart + Quote module (Giỏ hàng / Báo giá) -->
     <script defer src="./src/customers.js?gc=17"></script>    <!-- Customer list (Danh sách khách hàng) -->
-<script defer src="./src/vaix-rag.js?gc=56"></script>    <!-- V.AI STUDIO RAG Module - loads FASTER via light index; lazy galleries; spec-aware search -->
+<script defer src="./src/vaix-rag.js?gc=57"></script>    <!-- V.AI STUDIO RAG Module - loads FASTER via light index; lazy galleries; spec-aware search -->
 	    <script defer src="./src/greeting-news.js?gc=40"></script>  <!-- Greeting HOT news cards + source links -->
 	    <script defer src="./src/order-sync.js?gc=17"></script>    <!-- Order sync with V.AISTUDIO backend -->
 	    <script type="module" src="./src/app.js?gc=59"></script>
 	    <script defer src="./src/greeting-source-cards.js?gc=15"></script> <!-- FIX: Nguồn tin cards under greeting -->
 	    <script defer src="./src/avatar-picker.js?gc=13"></script> <!-- ✨ Circular avatar picker (Mr V / Lisamy) + loading progress bar -->
 	    <!-- BIG SALE Floating Promotion Module -->
-	    <script defer src="./big_sale.js?v=13"></script>
+	    <script defer src="./big_sale.js?v=14"></script>
 	    <!-- V.AI STUDIO Promo CMS (admin editor + BIGSALE/COMBO manager) -->
 	    <script defer src="./src/vaix-promo-cms.js?v=3"></script>
-	    <script defer src="./src/vaix-combo.js?v=3"></script>
+	    <script defer src="./src/vaix-combo.js?v=5"></script>
+	    <script defer src="./src/vaix-flashsale.js?v=1"></script>
 
     <script>
       // Wire the "Đơn hàng" buttons to the order modal
@@ -789,6 +790,6 @@
 
     <!-- ── Thêm SP (Add Product) module: 100% port from V.AISTUDIO, gated by the
          homepage V.AISTUDIO access code (window.isVaAdmin()). ── -->
-    <script defer src="./src/vaix-add-product.js?v=4"></script>
+    <script defer src="./src/vaix-add-product.js?v=5"></script>
   </body>
 </html>

index.ts

@@ -1675,6 +1675,46 @@ const server = Bun.serve({
         }
       },
     },
+    "/api/delete-promo": {
+      POST: async (req: Request) => {
+        // Admin-only: permanently remove a BIGSALE item (by code) or a COMBO
+        // (by code/name/slug) from promos.json. Same x-vai-admin gate as
+        // /api/delete-product so discount-link visitors stay locked out.
+        try {
+          const token = (process.env.HF_INFERENCE_TOKEN || process.env.HF_TOKEN || "").trim();
+          if (!token) return Response.json({ error: "No write token on server" }, { status: 500 });
+          const isAdmin = (req.headers.get("x-vai-admin") || "") === "1";
+          if (!isAdmin) return Response.json({ error: "Admin unlock required" }, { status: 403 });
+          const body: any = await req.json().catch(() => ({}));
+          const type = String(body?.type || "").trim();
+          const key = String(body?.key || "").trim();
+          if (!["bigsale", "combo"].includes(type)) return Response.json({ error: "type must be bigsale|combo" }, { status: 400 });
+          if (!key) return Response.json({ error: "Missing key" }, { status: 400 });
+          const cur = await readPromos(token);
+          const normK = (s: any) =>
+            String(s || "").toLowerCase().normalize("NFD").replace(/[\u0300-\u036f]/g, "").replace(/[đĐ]/g, "d").replace(/[.\-\s]/g, "");
+          const normKey = normK(key);
+          let removed = 0;
+          if (type === "bigsale") {
+            const arr = Array.isArray(cur.bigsale) ? cur.bigsale : [];
+            const next = arr.filter((it: any) => normK(it?.code) !== normKey);
+            removed = arr.length - next.length;
+            cur.bigsale = next;
+          } else {
+            const arr = Array.isArray(cur.combo) ? cur.combo : [];
+            const next = arr.filter((it: any) => normK(it?.code || it?.name || it?.slug) !== normKey);
+            removed = arr.length - next.length;
+            cur.combo = next;
+          }
+          if (!removed) return Response.json({ ok: true, removed: 0 });
+          await writePromos(token, cur);
+          return Response.json({ ok: true, removed, type });
+        } catch (e: any) {
+          console.error("[delete-promo]", e?.message);
+          return Response.json({ error: e.message || String(e) }, { status: 502 });
+        }
+      },
+    },
     "/api/promos": {
       GET: async () => {
         try {

src/vaix-add-product.js

@@ -756,7 +756,91 @@
     var brand = getMeta(doc, 'og:site_name') || (ld && ld.brand) || '';
     if (!brand) { try { var host = new URL(pageUrl).hostname; brand = host.replace(/^www\./, '').split('.')[0]; } catch (e) {} }
     brand = String(brand || '').replace(/^www\./i, '');
-    return {
+    // ── dienmayxanh.com override (v2024 layout) ──
+  if (/dienmayxanh\.com/i.test(pageUrl || '')) {
+    // NAME: h1 direct text only
+    var h1d = doc.querySelector('h1');
+    if (h1d) { var nm = ''; for (var ci = 0; ci < h1d.childNodes.length; ci++) { if (h1d.childNodes[ci].nodeType === 3) nm += h1d.childNodes[ci].nodeValue; } nm = String(nm || '').trim(); if (nm) name = nm; }
+    // PRICES: .bs_price strong (sale) + em (list) + data attrs
+    var bs = doc.querySelector('.bs_price');
+    if (bs) {
+      var sEl = bs.querySelector('strong'), eEl = bs.querySelector('em');
+      var sT = sEl ? sEl.textContent.trim() : '';
+      var lT = eEl ? eEl.textContent.trim() : '';
+      if (sT) priceInfo.salePn = parseInt(String(sT).replace(/[^\d]/g, ''), 10);
+      if (lT) priceInfo.listPn = parseInt(String(lT).replace(/[^\d]/g, ''), 10);
+      if (!priceInfo.salePn && bs.getAttribute('data-discountorigin')) priceInfo.salePn = parseInt(String(bs.getAttribute('data-discountorigin')).replace(/[^\d]/g, ''), 10);
+      if (!priceInfo.listPn && bs.getAttribute('data-priceorg')) priceInfo.listPn = parseInt(String(bs.getAttribute('data-priceorg')).replace(/[^\d]/g, ''), 10);
+      if (priceInfo.listPn && priceInfo.salePn && priceInfo.listPn < priceInfo.salePn) { var tt = priceInfo.listPn; priceInfo.listPn = priceInfo.salePn; priceInfo.salePn = tt; }
+      priceInfo.pn = priceInfo.salePn || priceInfo.listPn;
+      priceInfo.salePrice = priceInfo.salePn ? money(priceInfo.salePn) : '';
+      priceInfo.price = priceInfo.salePrice || (priceInfo.pn ? money(priceInfo.pn) : '');
+      priceInfo.listPrice = priceInfo.listPn ? money(priceInfo.listPn) : '';
+    }
+    // GALLERY: Product/Images URLs (may have NO extension)
+    var gl = [];
+    var dimgs = doc.querySelectorAll('.thubmail-slide .owl-carousel .owl-dot img, .thubmail-slide img, #slider-detail img');
+    for (var dg1 = 0; dg1 < dimgs.length; dg1++) {
+      var dsr = dimgs[dg1].getAttribute('data-original') || dimgs[dg1].getAttribute('data-src') || dimgs[dg1].getAttribute('src') || '';
+      if (!dsr || dsr.indexOf('Products/Images') < 0) continue;
+      if (dsr.indexOf('comment') >= 0 || dsr.indexOf('/Common/') >= 0 || dsr.indexOf('/Banner/') >= 0) continue;
+      var du = cleanUrl(dsr, pageUrl);
+      if (du && gallery.indexOf(du) < 0) gallery.push(du);
+    }
+    if (gallery.length) {
+      var firstFolder = gallery[0].substring(0, gallery[0].lastIndexOf('/') + 1);
+      var allImgs2 = doc.querySelectorAll('img');
+      for (var dg2 = 0; dg2 < allImgs2.length; dg2++) {
+        var ds2 = allImgs2[dg2].getAttribute('data-original') || allImgs2[dg2].getAttribute('data-src') || allImgs2[dg2].getAttribute('src') || '';
+        if (!ds2 || ds2.indexOf('Products/Images') < 0 || ds2.indexOf('comment') >= 0) continue;
+        var da = cleanUrl(ds2, pageUrl);
+        if (da && da.indexOf(firstFolder) === 0 && gallery.indexOf(da) < 0) gallery.push(da);
+      }
+      gallery = gallery.filter(function (u) { return u.indexOf('-thumb') < 0; });
+    }
+    if (gallery.length) { primaryImg = gallery[0]; if (gallery.indexOf(primaryImg) < 0) gallery.unshift(primaryImg); }
+    // SPECS: #tab-2 .text-specifi li (aside[0]=key, aside[1]=value)
+    var t2b = doc.getElementById('tab-2') || doc.getElementById('tab-02');
+    if (t2b) {
+      var s2b = {};
+      var tlis = t2b.querySelectorAll('.text-specifi li, .parameter__list li');
+      for (var tl2 = 0; tl2 < tlis.length; tl2++) {
+        var as2 = tlis[tl2].querySelectorAll('aside');
+        if (as2.length >= 2) {
+          var k2b = as2[0].textContent.replace(/\s+/g, ' ').trim().replace(/:$/, '');
+          var v2b = as2[1].textContent.replace(/\s+/g, ' ').trim();
+          if (k2b && v2b && ['Tên sản phẩm', 'Mã số', 'Giá', 'Thương hiệu', 'Khuyến mãi'].indexOf(k2b) < 0) s2b[k2b] = v2b;
+        }
+      }
+      if (Object.keys(s2b).length) specs = s2b;
+    }
+    // FEATURES: paragraphs under h3 in #tab-3 (Thông tin sản phẩm)
+    var t3b = doc.getElementById('tab-3') || doc.getElementById('tab-03');
+    var f2 = [];
+    if (t3b) {
+      var p3 = t3b.querySelectorAll('p');
+      for (var pi2 = 0; pi2 < p3.length && f2.length < 12; pi2++) {
+        var txb = p3[pi2].textContent.replace(/\s+/g, ' ').trim();
+        if (txb.length >= 30 && txb.length <= 200 && txb.indexOf('*Hình ảnh') < 0 && txb.indexOf('minh họa') < 0) f2.push(txb);
+      }
+    }
+    if (f2.length) feats = f2.slice(0, 12);
+    // BRAND: breadcrumb last link → "Máy giặt Hitachi" → "Hitachi"
+    var cr2 = doc.querySelectorAll('.box_breadcrumb li a, .breadcrumb li a, .breadcrumb a');
+    if (cr2.length) {
+      var lst = cr2[cr2.length - 1].textContent.replace(/\s+/g, ' ').trim();
+      ['Máy giặt ', 'Máy lạnh ', 'Tủ lạnh ', 'Tivi ', 'Điện thoại ', 'Máy hút mùi ', 'Bếp ', 'Lò '].forEach(function (pr) { if (lst.indexOf(pr) === 0) lst = lst.slice(pr.length); });
+      lst = lst.replace(/(Inverter|Digital|Smart|Auto).*$/i, '').trim();
+      if (lst && lst.length <= 40 && !/ số | kg| inch/i.test(lst)) brand = lst;
+    }
+    // DESC: full #tab-3 text
+    if (t3b) {
+      var dtx = t3b.textContent.replace(/\s+/g, ' ').trim();
+      if (dtx.length > 60) desc = dtx.slice(0, 8000);
+    }
+  }
+
+  return {
       name: name, sku: sku, img: primaryImg, gallery: gallery, desc: desc,
       price: priceInfo.salePrice || priceInfo.price, pn: priceInfo.salePn || priceInfo.pn,
       listPrice: priceInfo.listPrice, listPn: priceInfo.listPn,

src/vaix-combo.js

@@ -27,7 +27,7 @@
     var panel = document.createElement("div");
     panel.id = "combo-panel";
     panel.style.cssText = "position:fixed;right:18px;bottom:170px;z-index:9998;width:320px;max-height:460px;background:#fff;border-radius:16px;box-shadow:0 16px 48px rgba(0,0,0,0.2);overflow:hidden;display:none;flex-direction:column;font-family:inherit;border:1px solid #bfdbfe";
-    panel.innerHTML = '<div style="padding:12px 14px;background:linear-gradient(135deg,#eff6ff,#dbeafe);display:flex;align-items:center;justify-content:space-between"><span style="font-weight:800;color:#1d4ed8;font-size:0.85rem">🧩 COMBO KHUYẾN MÃI</span><button class="combo-close" style="background:none;border:none;font-size:1.2rem;cursor:pointer;color:#1e3a8a">×</button></div><div class="combo-list" style="flex:1;overflow:auto;padding:8px 10px;display:flex;flex-direction:column;gap:6px"></div>';
+    panel.innerHTML = '<div style="padding:12px 14px;background:linear-gradient(135deg,#eff6ff,#dbeafe);display:flex;align-items:center;justify-content:space-between;gap:8px"><span style="font-weight:800;color:#1d4ed8;font-size:0.85rem">🧩 COMBO KHUYẾN MÃI</span><div style="display:flex;align-items:center;gap:6px"><button type="button" class="combo-list-share-btn" onclick="window.shareComboList(event)" style="padding:5px 9px;border:none;border-radius:8px;background:#1d4ed8;color:#fff;font-size:0.64rem;font-weight:700;cursor:pointer;font-family:inherit;white-space:nowrap"><i class="fas fa-share-alt"></i> Chia sẻ danh sách</button><button class="combo-close" style="background:none;border:none;font-size:1.2rem;cursor:pointer;color:#1e3a8a">×</button></div></div><div class="combo-list" style="flex:1;overflow:auto;padding:8px 10px;display:flex;flex-direction:column;gap:6px"></div>';
 
     document.body.appendChild(btn);
     document.body.appendChild(panel);
@@ -175,38 +175,149 @@
           '<div style="font-size:0.7rem;color:#64748b;margin-bottom:4px">' + itemsHtml + '</div>' +
           '<div style="display:flex;align-items:center;justify-content:space-between;gap:6px">' +
             '<span style="font-weight:700;color:#1d4ed8;font-size:0.8rem">' + fmt(priceNum) + '</span>' +
-            '<button type="button" class="combo-share-btn" onclick="window.shareCombo(' + idx + ', event, this)" style="padding:5px 10px;border:none;border-radius:7px;background:#1e40af;color:#fff;font-size:0.68rem;font-weight:700;cursor:pointer;font-family:inherit;white-space:nowrap"><i class="fas fa-share-alt"></i> Chia sẻ</button>' +
+            '<span class="combo-card-actions" style="display:flex;gap:4px"></span>' +
           '</div>' +
           '</div>';
       }).join("");
+      injectComboAdminActions();
     } catch(e) { console.warn("[COMBO] refresh:", e); }
   }
 // Per-combo "Chia sẻ link" (SEO). Copy a self-hosted deep link that opens the
   // COMBO KHUYẾN MÃI panel. Exposed globally because combo cards are HTML strings.
-  window.shareCombo = function (idx, ev, btn) {
+
+  // List-level share (toàn bộ danh sách COMBO). Copy a self-hosted deep link
+  // (?combo=all) that opens the FULL COMBO panel — NOT a single combo.
+  window.shareComboList = function (ev) {
     try {
       if (ev) { ev.stopPropagation(); }
-      var combos = loadCombos() || [];
-      var c = combos[idx];
-      if (!c) return;
-      var slug = String(c.slug || c.name || "combo-" + (idx + 1))
-        .toLowerCase()
-        .replace(/[^a-z0-9]+/g, "-")
-        .replace(/^-+|-+$/g, "");
       var base = window.location.origin + window.location.pathname;
-      var url = base + "?combo=" + encodeURIComponent(slug);
+      var url = base + "?combo=all";
       var done = function () {
-        if (typeof window.toast === "function") window.toast("\u2713 \u0110\u00e3 copy link chia s\u1ebb COMBO (SEO)");
-        else alert("Link chia s\u1ebb COMBO:\n" + url);
+        if (typeof window.toast === "function") window.toast("\u2713 \u0110\u00e3 copy link chia s\u1ebb danh s\u00e1ch COMBO");
+        else alert("Link chia s\u1ebb danh s\u00e1ch COMBO:\n" + url);
       };
       if (window.navigator && navigator.clipboard && navigator.clipboard.writeText) {
-        navigator.clipboard.writeText(url).then(done).catch(function () { window.prompt("Link chia s\u1ebb COMBO:", url); });
-      } else { window.prompt("Link chia s\u1ebb COMBO:", url); }
+        navigator.clipboard.writeText(url).then(done).catch(function () { window.prompt("Link chia s\u1ebb danh s\u00e1ch COMBO:", url); });
+      } else { window.prompt("Link chia s\u1ebb danh s\u00e1ch COMBO:", url); }
     } catch (err) {
       alert("L\u1ed7i chia s\u1ebb: " + (err && err.message || err));
     }
   };
 
+  // Admin-only: permanently delete a COMBO from promos.json (/api/delete-promo).
+  window.deleteCombo = async function (idx, ev) {
+    try {
+      if (ev) { ev.stopPropagation(); }
+      var isAdmin = (typeof window.isVaAdmin === "function") ? window.isVaAdmin() : false;
+      if (!isAdmin) { alert("\uD83D\uDD12 C\u1ea7n nh\u1eadp m\u00e3 V.AISTUDIO tr\u00ean trang ch\u1ee7."); return; }
+      var combos = loadCombos() || [];
+      var c = combos[idx];
+      if (!c) return;
+      if (!window.confirm("X\u00f3a COMBO \"" + (c.name || "COMBO") + "\" kh\u1ecfi danh s\u00e1ch?")) return;
+      var key = String(c.code || c.slug || c.name || "combo-" + (idx + 1));
+      var r = await fetch("/api/delete-promo", {
+        method: "POST",
+        headers: { "Content-Type": "application/json", "x-vai-admin": "1" },
+        body: JSON.stringify({ type: "combo", key: key })
+      });
+      var d = await r.json().catch(function () { return {}; });
+      if (!r.ok) { alert("\u274c " + (d.error || "L\u1ed7i x\u00f3a")); return; }
+      if (window.toast) window.toast("\u2713 \u0110\u00e3 x\u00f3a COMBO");
+      // refresh from server
+      if (window.vaixPromo && typeof window.vaixPromo.loadPromos === "function") {
+        window.vaixPromo.loadPromos().then(function () { refreshPanel(); }).catch(function () { refreshPanel(); });
+      } else { refreshPanel(); }
+    } catch (err) {
+      alert("\u274c L\u1ed7i x\u00f3a: " + (err && err.message || err));
+    }
+  };
+  // Inject admin delete buttons into combo cards (after each render).
+  function injectComboAdminActions() {
+    try {
+      var isAdmin = (typeof window.isVaAdmin === "function") ? window.isVaAdmin() : false;
+      if (!isAdmin) return;
+      var panel = document.getElementById("combo-panel");
+      if (!panel) return;
+      var cards = panel.querySelectorAll(".c-card");
+      for (var i = 0; i < cards.length; i++) {
+        var card = cards[i];
+        var idx = parseInt(card.getAttribute("data-ci"), 10);
+        if (isNaN(idx) || idx < 0) continue;
+        var actions = card.querySelector(".combo-card-actions");
+        if (!actions || actions.querySelector(".combo-del-btn")) continue;
+        var del = document.createElement("button");
+        del.type = "button";
+        del.className = "combo-del-btn";
+        del.innerHTML = '<i class="fas fa-trash"></i> X\u00f3a';
+        del.style.cssText = "padding:4px 8px;border:none;border-radius:7px;background:#dc2626;color:#fff;font-size:0.62rem;font-weight:700;cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;gap:4px;white-space:nowrap";
+        del.addEventListener("click", function (e) { window.deleteCombo(idx, e); });
+        actions.appendChild(del);
+      }
+    } catch (e) { console.warn("[COMBO] inject:", e); }
+  }
+  // Open the FULL combo panel (used by ?combo=all deep link).
+  window.openComboPanel = function () {
+    try {
+      var panel = document.getElementById("combo-panel");
+      var btn = document.getElementById("combo-floating");
+      if (panel) panel.style.display = "flex";
+      if (btn) btn.style.display = "";
+      if (panel) {
+        var list = panel.querySelector(".combo-list");
+        if (list) list.innerHTML = "";
+        refreshPanel();
+      }
+    } catch (e) {}
+  };
+
+  // ── ?combo= deep link: "all" opens the full list; a slug opens that COMBO ──
+  function handleComboUrlParam() {
+    try {
+      var params = new URLSearchParams(location.search);
+      var val = params.get("combo") || "";
+      if (!val) return;
+      var valNorm = String(val).trim().toLowerCase().replace(/[^a-z0-9]+/g, "-").replace(/^-+|-+$/g, "");
+      var tries = 0;
+      var iv = setInterval(function () {
+        tries++;
+        try {
+          if (!document.getElementById("combo-floating")) {
+            if (tries > 30) { clearInterval(iv); return; }
+            return;
+          }
+          var panel = document.getElementById("combo-panel");
+          if (!panel) { clearInterval(iv); return; }
+          panel.style.display = "flex";
+          var combos = loadCombos() || [];
+          if (valNorm && valNorm !== "all") {
+            // Try to highlight/scroll to the requested combo card and open it.
+            var idx = -1;
+            for (var i = 0; i < combos.length; i++) {
+              var c = combos[i];
+              var slug = String(c.slug || c.code || c.name || "combo-" + (i + 1))
+                .toLowerCase().replace(/[^a-z0-9]+/g, "-").replace(/^-+|-+$/g, "");
+              if (slug === valNorm || String(c.code || "").toLowerCase() === val) { idx = i; break; }
+            }
+            refreshPanel();
+            if (idx >= 0) {
+              var cards = panel.querySelectorAll(".c-card");
+              if (cards[idx]) {
+                cards[idx].scrollIntoView({ behavior: "smooth", block: "center" });
+                cards[idx].style.border = "2px solid #f59e0b";
+                setTimeout(function () { if (cards[idx]) cards[idx].style.border = ""; }, 2500);
+              }
+            }
+          } else {
+            refreshPanel();
+          }
+          clearInterval(iv);
+        } catch (e) {
+          if (tries > 30) clearInterval(iv);
+        }
+      }, 400);
+    } catch (e) { /* never block */ }
+  }
+
   function boot() {
     // Retry createComboElements until vaixPromo is ready (can load after CMS module)
     var _retry = 0;
@@ -214,6 +325,7 @@
       _retry++;
       try {
         createComboElements();
+        handleComboUrlParam();
       } catch(e) {
         if (_retry < 30) { setTimeout(tryCreate, 500); return; }
       }

src/vaix-flashsale.js

@@ -0,0 +1,259 @@
+// V.AI STUDIO FLASHSALE floating panel v1.0
+// Nút FLASHSALE đặt NGAY CẠNH nút COMBO (bottom:240px, combo ở 170px).
+// Danh sách FLASHSALE = mọi sản phẩm khuyến mãi CÓ ĐỦ 2 GIÁ:
+//   - Từ catalog (vaix.allProducts): listPn (niêm yết) + salePn (khuyến mãi), listPn > salePn
+//   - Từ BIG SALE (window.BIG_SALE_PRODUCTS): price (niêm yết) + bigsale (giá KM)
+// Chia sẻ cả danh sách qua ?flashsale=all (self-hosted, mở đúng panel này).
+(function () {
+  if (window.__vaixFlashsaleLoaded) return;
+  window.__vaixFlashsaleLoaded = true;
+  console.log("[FLASHSALE] Module loaded");
+
+  function fmt(n) {
+    n = Number(n) || 0;
+    return n.toLocaleString("vi-VN") + " ₫";
+  }
+
+  function catalogProductsRaw() {
+    try {
+      if (window.vaix && typeof window.vaix.allProducts === "function") {
+        var arr = window.vaix.allProducts();
+        return Array.isArray(arr) ? arr : [];
+      }
+    } catch (e) {}
+    return [];
+  }
+
+  // Catalog products that have BOTH listPn and salePn, list > sale.
+  function catalogBuild() {
+    var out = [];
+    var arr = catalogProductsRaw();
+    for (var i = 0; i < arr.length; i++) {
+      var p = arr[i];
+      var listN = Number(p.listPn) || (p.listPrice ? parseInt(String(p.listPrice).replace(/[^\d]/g, ""), 10) : 0) || 0;
+      var saleN = Number(p.salePn) || (p.salePrice ? parseInt(String(p.salePrice).replace(/[^\d]/g, ""), 10) : 0) || Number(p.priceNum) || 0;
+      if (!listN || !saleN || listN <= saleN) continue;
+      if (p._deleted || p.deleted) continue;
+      out.push({
+        name: p.title_clean || p.name || p.title || "",
+        code: p.sku || p.model || p.code || "",
+        image: p.image || (p.images && p.images[0]) || "",
+        listPn: listN, salePn: saleN,
+        discount: saleN ? Math.round((listN - saleN) / listN * 100) + "%" : "",
+        slug: p.slug || "", catalog: true
+      });
+    }
+    return out;
+  }
+
+  // FLASHSALE = products having BOTH list price and sale price (list > sale).
+  function buildFlashProducts() {
+    var out = [];
+    var seen = {};
+    function push(p) {
+      if (!p) return;
+      var key = String(p.code || p.sku || p.model || p.name || "");
+      if (!key) return;
+      key = key.toUpperCase().replace(/\s+/g, " ");
+      if (seen[key]) return;
+      seen[key] = 1;
+      out.push(p);
+    }
+    // 1) Catalog products with both prices.
+    var cat = catalogBuild();
+    for (var i = 0; i < cat.length; i++) push(cat[i]);
+    // 2) BIG SALE products (they always have list price + bigsale discount price).
+    try {
+      var bs = (window.BIG_SALE_PRODUCTS || []);
+      for (var j = 0; j < bs.length; j++) {
+        var b = bs[j];
+        var listN = parseInt(String(b.price || "0").replace(/\./g, ""), 10) || 0;
+        var saleN = parseInt(String(b.bigsale || "0").replace(/\./g, ""), 10) || 0;
+        if (listN <= 0 || saleN <= 0 || listN <= saleN) continue;
+        push({
+          name: b.name, code: b.code, image: b.image || "", listPn: listN, salePn: saleN,
+          discount: b.discount || "", _fromBigSale: true
+        });
+      }
+    } catch (e) {}
+    return out;
+  }
+
+  function createElements() {
+    if (document.getElementById("flashsale-floating")) return;
+    var btn = document.createElement("button");
+    btn.id = "flashsale-floating";
+    btn.style.cssText = "position:fixed;right:18px;bottom:240px;z-index:9999;border:none;cursor:pointer;display:flex;align-items:center;gap:6px;background:#fff;border-radius:30px;padding:8px 14px;box-shadow:0 4px 14px rgba(0,0,0,0.15);font-family:inherit;font-size:0.75rem;font-weight:700;color:#c2410c;border:1px solid #fed7aa;transition:all 0.25s";
+    btn.innerHTML = '<span style="background:#ea580c;color:#fff;font-weight:800;font-size:0.65rem;padding:2px 8px;border-radius:20px">FLASHSALE</span><span class="flashsale-count" style="font-size:0.72rem;color:#9a3412"> 0</span><span style="margin-left:2px;font-size:0.65rem;color:#9a3412">▼</span>';
+
+    var panel = document.createElement("div");
+    panel.id = "flashsale-panel";
+    panel.style.cssText = "position:fixed;right:18px;bottom:240px;z-index:9998;width:320px;max-height:460px;background:#fff;border-radius:16px;box-shadow:0 16px 48px rgba(0,0,0,0.2);overflow:hidden;display:none;flex-direction:column;font-family:inherit;border:1px solid #fed7aa";
+    panel.innerHTML = '<div style="padding:12px 14px;background:linear-gradient(135deg,#fff7ed,#ffedd5);display:flex;align-items:center;justify-content:space-between;gap:8px"><span style="font-weight:800;color:#c2410c;font-size:0.85rem">⚡ FLASHSALE 2 GIÁ</span><div style="display:flex;align-items:center;gap:6px"><button type="button" class="flashsale-list-share-btn" onclick="window.shareFlashsaleList(event)" style="padding:5px 9px;border:none;border-radius:8px;background:#ea580c;color:#fff;font-size:0.64rem;font-weight:700;cursor:pointer;font-family:inherit;white-space:nowrap"><i class="fas fa-share-alt"></i> Chia sẻ danh sách</button><button class="flashsale-close" style="background:none;border:none;font-size:1.2rem;cursor:pointer;color:#9a3412">×</button></div></div><div class="flashsale-list" style="flex:1;overflow:auto;padding:8px 10px;display:flex;flex-direction:column;gap:6px"></div>';
+
+    document.body.appendChild(btn);
+    document.body.appendChild(panel);
+
+    var isOpen = false;
+    btn.addEventListener("click", function (e) {
+      e.stopPropagation();
+      isOpen = !isOpen;
+      panel.style.display = isOpen ? "flex" : "none";
+      if (isOpen) refreshPanel();
+    });
+    var closeBtn = panel.querySelector(".flashsale-close");
+    if (closeBtn) closeBtn.onclick = function () { panel.style.display = "none"; isOpen = false; };
+    document.addEventListener("click", function (e) {
+      if (isOpen && !panel.contains(e.target) && !btn.contains(e.target)) {
+        panel.style.display = "none"; isOpen = false;
+      }
+    });
+
+    panel.addEventListener("click", function (e) {
+      var card = e.target && e.target.closest ? e.target.closest(".fs-card") : null;
+      if (!card) return;
+      e.stopPropagation();
+      var code = card.getAttribute("data-code") || "";
+      if (!code) return;
+      var p = buildFlashProducts().find(function (x) {
+        return String(x.code || "").trim().toUpperCase() === code.toUpperCase();
+      });
+      if (p) openDetail(p);
+    });
+  }
+
+  function openDetail(p) {
+    var overlay = document.getElementById("vaistudio-detail-overlay");
+    var modal = document.getElementById("vaistudio-detail-modal");
+    if (!overlay || !modal) return;
+    var titleEl = document.getElementById("detail-title");
+    var modelEl = document.getElementById("detail-model");
+    var priceEl = document.getElementById("detail-price");
+    var imagesEl = document.getElementById("detail-images");
+    try {
+      if (titleEl) titleEl.textContent = p.name || "";
+      if (modelEl) modelEl.textContent = "Mã: " + (p.code || "");
+      if (priceEl) {
+        priceEl.innerHTML = '<div style="display:flex;align-items:center;gap:8px;flex-wrap:wrap">' +
+          '<span style="color:#c2410c;font-size:1.3rem;font-weight:800">' + fmt(p.salePn) + "</span>" +
+          '<span style="font-size:0.8rem;color:#64748b;text-decoration:line-through">' + fmt(p.listPn) + "</span>" +
+          (p.discount ? '<span style="font-size:0.85rem;background:#fef3c7;color:#92400e;padding:4px 10px;border-radius:8px;font-weight:700">-' + p.discount + "</span>" : "") +
+          "</div>";
+      }
+      if (imagesEl) {
+        var gal = p.image ? [p.image] : [];
+        imagesEl.innerHTML = gal.length
+          ? gal.map(function (u) { return '<img src="' + u + '" alt="' + (p.code || "") + '" style="flex:1;min-width:120px;height:120px;border-radius:10px;object-fit:cover;border:1px solid #e2e8f0;background:#f1f5f9" onerror="this.style.display=\'none\'">'; }).join("")
+          : '<div style="flex:1;min-width:120px;height:120px;background:linear-gradient(135deg,#fff7ed,#ffedd5);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:2.5rem">⚡</div>';
+      }
+      if (overlay) overlay.classList.add("show");
+      if (modal) modal.classList.add("show");
+    } catch (e) {}
+  }
+
+  function refreshPanel() {
+    try {
+      var panel = document.getElementById("flashsale-panel");
+      var btn = document.getElementById("flashsale-floating");
+      if (!panel || !btn) return;
+      var list = panel.querySelector(".flashsale-list");
+      if (!list) return;
+      var prods = buildFlashProducts();
+      var cEl = btn.querySelector(".flashsale-count");
+      if (cEl) cEl.textContent = " " + prods.length;
+      if (!prods.length) {
+        list.innerHTML = '<div style="font-size:0.75rem;color:#94a3b8;text-align:center;padding:20px 0">Chưa có sản phẩm 2 giá nào.</div>';
+        return;
+      }
+      list.innerHTML = prods.map(function (p, i) {
+        var img = p.image ? '<img src="' + p.image + '" alt="" onerror="this.style.display=&#39;none&#39;" style="width:40px;height:40px;border-radius:8px;object-fit:cover;background:#f1f5f9;margin-right:6px;flex-shrink:0">' : "";
+        return '<div class="fs-card" data-code="' + (p.code || "") + '" style="cursor:pointer;padding:8px 10px;background:#fffaf5;border:1px solid #fed7aa;border-radius:10px;display:flex;align-items:center;transition:border-color 0.2s">' +
+          img +
+          '<div style="flex:1;min-width:0">' +
+            '<div style="font-weight:700;font-size:0.74rem;color:#431407;overflow:hidden;text-overflow:ellipsis;white-space:nowrap">' + (p.name || "") + '</div>' +
+            '<div style="font-size:0.64rem;color:#9a3412;margin-top:2px">' +
+              '<span style="text-decoration:line-through;color:#94a3b8">' + (p.listPn ? fmt(p.listPn) : "") + '</span> → <b style="color:#c2410c">' + (p.salePn ? fmt(p.salePn) : "") + '</b>' +
+            '</div>' +
+          '</div>' +
+        '</div>';
+      }).join("");
+    } catch (e) {
+      console.warn("[FLASHSALE] refresh:", e);
+    }
+  }
+
+  // Chia sẻ TOÀN BỘ danh sách (?flashsale=all).
+  window.shareFlashsaleList = function (ev) {
+    try {
+      if (ev) { ev.stopPropagation(); }
+      var base = window.location.origin + window.location.pathname;
+      var url = base + "?flashsale=all";
+      var done = function () {
+        if (typeof window.toast === "function") window.toast("✓ Đã copy link chia sẻ danh sách FLASHSALE");
+        else alert("Link chia sẻ danh sách FLASHSALE:\n" + url);
+      };
+      if (window.navigator && navigator.clipboard && navigator.clipboard.writeText) {
+        navigator.clipboard.writeText(url).then(done).catch(function () { window.prompt("Link chia sẻ danh sách FLASHSALE:", url); });
+      } else { window.prompt("Link chia sẻ danh sách FLASHSALE:", url); }
+    } catch (err) {
+      alert("Lỗi chia sẻ: " + (err && err.message || err));
+    }
+  };
+  // Mở full panel khi vào link ?flashsale=all.
+  window.openFlashsalePanel = function () {
+    try {
+      var panel = document.getElementById("flashsale-panel");
+      var btn = document.getElementById("flashsale-floating");
+      if (panel) panel.style.display = "flex";
+      if (btn) btn.style.display = "";
+      if (panel) refreshPanel();
+    } catch (e) {}
+  };
+
+  function handleUrlParam() {
+    try {
+      var params = new URLSearchParams(location.search);
+      var v = params.get("flashsale") || "";
+      if (!v) return;
+      var tries = 0;
+      var iv = setInterval(function () {
+        tries++;
+        try {
+          if (document.getElementById("flashsale-floating")) {
+            window.openFlashsalePanel();
+            clearInterval(iv);
+          } else if (tries > 40) clearInterval(iv);
+        } catch (e) { if (tries > 40) clearInterval(iv); }
+      }, 400);
+    } catch (e) {}
+  }
+
+  function boot() {
+    var _retry = 0;
+    (function tryCreate() {
+      _retry++;
+      try {
+        createElements();
+        refreshPanel();
+        handleUrlParam();
+        // Recompute when the catalog finishes loading or promo data changes.
+        if (window.vaix && typeof window.vaix.load === "function") {
+          window.vaix.load().then(function () { refreshPanel(); }).catch(function () {});
+        }
+        window.addEventListener("vai-promo-changed", function () { setTimeout(refreshPanel, 200); });
+        window.addEventListener("vai-catalog-loaded", function () { refreshPanel(); });
+      } catch (e) {
+        if (_retry < 30) setTimeout(tryCreate, 500);
+      }
+    })();
+  }
+
+  // Quick alias so the module still works even before vaix finishes loading.
+  window.addEventListener("DOMContentLoaded", function () {
+    try {
+      var d = document.getElementById("flashsale-floating");
+      if (!d) boot();
+    } catch (e) {}
+  });
+  if (document.readyState !== "loading") boot();
+})();

src/vaix-rag.js

@@ -1772,20 +1772,6 @@ function renderPanelResults(products) {
       const adminBtns = document.createElement("div");
       adminBtns.className = "product-card-admin";
       adminBtns.style.cssText = "display:flex;gap:6px;margin-top:8px;flex-wrap:wrap";
-      // Share link button (SEO-friendly ?product=<slug> URL, copied to clipboard).
-      const shareBtn = document.createElement("button");
-      shareBtn.type = "button";
-      shareBtn.className = "product-card-btn share-btn";
-      shareBtn.style.cssText = "flex:1;padding:7px 8px;border:none;border-radius:8px;background:#1e40af;color:#fff;font-size:.72rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:5px;font-family:inherit";
-      shareBtn.innerHTML = '<i class="fas fa-bullhorn"></i> Chia sẻ';
-      shareBtn.addEventListener("click", function(e) {
-        e.stopPropagation();
-        const url = shareableProductUrl(p);
-        if (window.navigator && navigator.clipboard && navigator.clipboard.writeText) {
-          navigator.clipboard.writeText(url).then(function(){ toast('✓ Đã copy link chia sẻ (SEO)'); }).catch(function(){ window.prompt('Link chia sẻ:', url); });
-        } else { window.prompt('Link chia sẻ:', url); }
-      });
-      adminBtns.appendChild(shareBtn);
       // Delete button (admin only) — appears on admin-added products and
       // permanently removes them from the shared dataset.
       if (isAddedProduct) {