Fix dashboard KPI currency totals

index.html

@@ -135,7 +135,8 @@
       <div class="metric"><span class="metric-label">数据更新时间</span><strong class="metric-value" id="updated-at">—</strong></div>
       <div class="metric"><span class="metric-label">记录数</span><strong class="metric-value" id="record-count">—</strong></div>
       <div class="metric"><span class="metric-label">LinkName 数</span><strong class="metric-value" id="link-count">—</strong></div>
-      <div class="metric"><span class="metric-label">币种</span><strong class="metric-value" id="currency-count">—</strong></div>
+      <div class="metric"><span class="metric-label">Total Commission</span><strong class="metric-value" id="total-commission">—</strong></div>
+      <div class="metric"><span class="metric-label">Total GMV</span><strong class="metric-value" id="total-gmv">—</strong></div>
     </section>
 
     <div class="empty-state" id="empty-state" hidden>没有可展示的数据。</div>
@@ -192,7 +193,8 @@
         updatedAt: document.getElementById('updated-at'),
         recordCount: document.getElementById('record-count'),
         linkCount: document.getElementById('link-count'),
-        currencyCount: document.getElementById('currency-count'),
+        totalCommission: document.getElementById('total-commission'),
+        totalGmv: document.getElementById('total-gmv'),
         empty: document.getElementById('empty-state'),
         error: document.getElementById('error-state'),
         charts: document.getElementById('charts'),
@@ -406,12 +408,19 @@
 
       function updateSummary(records) {
         var links = new Set(records.map(function (record) { return record.linkName; }));
+        var totalCommission = records.reduce(function (total, record) {
+          return total + (record.commission === null ? 0 : record.commission);
+        }, 0);
+        var totalGmv = records.reduce(function (total, record) {
+          return total + (record.gmv === null ? 0 : record.gmv);
+        }, 0);
         elements.title.textContent = 'TTSHOP 销售看板 · ' + state.selectedCurrency;
         elements.subtitle.textContent = 'Commission 与 GMV 趋势（当前加载时间：' + dateFormatter.format(new Date()) + '）';
         elements.updatedAt.textContent = dateFormatter.format(new Date());
         elements.recordCount.textContent = formatNumber(records.length);
         elements.linkCount.textContent = formatNumber(links.size);
-        elements.currencyCount.textContent = state.sourceCurrencies.join('、') || '—';
+        elements.totalCommission.textContent = state.selectedCurrency + ' ' + formatNumber(totalCommission);
+        elements.totalGmv.textContent = state.selectedCurrency + ' ' + formatNumber(totalGmv);
       }
 
       function aggregate(records) {