feat: 套装方案对比导出时配方名后附容量

形如「某配方（100ml）」。full/simple/横向对比三个 sheet 都带上。

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/views/KitExport.vue

@@ -267,8 +267,9 @@ async function exportExcel(mode) {
           const unit = oils.unitLabel(i.oil)
           return `${i.oil} ${i.drops}${unit}`
         }).join('、')
+        const vol = volumeLabel(r)
         ws.addRow([
-          r.name,
+          vol ? `${r.name}（${vol}）` : r.name,
           (r.tags || []).join('/'),
           ingredientStr,
           calcMaxTimes(r),
@@ -287,8 +288,9 @@ async function exportExcel(mode) {
       for (const r of ka.recipes) {
         const price = getSellingPrice(r._id)
         const margin = calcMargin(r.kitCost, price)
+        const vol = volumeLabel(r)
         ws.addRow([
-          r.name,
+          vol ? `${r.name}（${vol}）` : r.name,
           calcMaxTimes(r),
           Number(r.kitCost.toFixed(2)),
           Number(r.originalCost.toFixed(2)),
@@ -326,7 +328,8 @@ async function exportExcel(mode) {
 
   for (const row of crossComparison.value) {
     const price = getSellingPrice(row.id)
-    const vals = [row.name]
+    const vol = volumeLabel(row)
+    const vals = [vol ? `${row.name}（${vol}）` : row.name]
     if (mode === 'full') vals.push((row.tags || []).join('/'))
     for (const ka of kitAnalysis.value) {
       const cost = row.costs[ka.id]