feat: 精油价目新增「智能识别」，粘贴产品信息自动填充字段

识别优惠顾客价/零售价/规格/中英文名，自动切精油或其他产品 tab。

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

frontend/src/views/OilReference.vue

@@ -110,6 +110,14 @@
       <div class="add-type-tabs">
         <button class="add-type-tab" :class="{ active: addType === 'oil' }" @click="addType = 'oil'">精油</button>
         <button class="add-type-tab" :class="{ active: addType === 'product' }" @click="addType = 'product'">其他</button>
+        <button class="add-type-tab" :class="{ active: showSmartPaste }" @click="showSmartPaste = !showSmartPaste" style="margin-left:auto">🪄 智能识别</button>
+      </div>
+      <div v-if="showSmartPaste" class="form-row" style="flex-direction:column;align-items:stretch;gap:6px">
+        <textarea v-model="smartPasteText" rows="4" class="form-input-sm" placeholder="粘贴产品信息，例如：&#10;优惠顾客价:￥310&#10;零售价:￥465&#10;规格:100毫升&#10;花样年华焕颜精华水 Salubelle Rejuvenating Essence" style="width:100%;resize:vertical;font-family:inherit"></textarea>
+        <div style="display:flex;gap:8px">
+          <button class="btn btn-primary btn-sm" @click="runSmartPaste" :disabled="!smartPasteText.trim()">识别并填入</button>
+          <button class="btn btn-sm" @click="smartPasteText = ''">清空</button>
+        </div>
       </div>
       <!-- 新增精油 -->
       <div v-if="addType === 'oil'" class="form-row">
@@ -468,6 +476,56 @@ const activeCard = ref(null)
 
 // Add oil form
 const addType = ref('oil')
+const showSmartPaste = ref(false)
+const smartPasteText = ref('')
+const OIL_VOLUMES = new Set(['2.5', '5', '10', '15', '115'])
+
+function runSmartPaste() {
+  const raw = smartPasteText.value || ''
+  if (!raw.trim()) return
+  const text = raw.replace(/[：:]/g, ':').replace(/[￥¥]/g, '')
+
+  const memberMatch = text.match(/(?:优惠顾客价|会员价|批发价)\s*:?\s*(\d+(?:\.\d+)?)/)
+  const retailMatch = text.match(/零售价\s*:?\s*(\d+(?:\.\d+)?)/)
+  const specMatch = text.match(/规格\s*:?\s*(\d+(?:\.\d+)?)\s*(毫升|ml|ML|克|g|G|颗|粒|片)/)
+
+  let cn = '', en = ''
+  for (const line of raw.split(/\r?\n/)) {
+    const s = line.trim()
+    if (!s) continue
+    if (/优惠顾客价|会员价|零售价|点数|规格|PT\s*:|批发价/i.test(s)) continue
+    const m = s.match(/^([^A-Za-z]+?)\s+([A-Za-z].*)$/)
+    if (m) { cn = m[1].trim(); en = m[2].trim() } else { cn = s }
+    break
+  }
+
+  if (memberMatch) newBottlePrice.value = Number(memberMatch[1])
+  if (retailMatch) newRetailPrice.value = Number(retailMatch[1])
+  if (cn) newOilName.value = cn
+  if (en) newOilEnName.value = en
+
+  if (specMatch) {
+    const amount = specMatch[1]
+    const unitRaw = specMatch[2].toLowerCase()
+    const isMl = unitRaw === '毫升' || unitRaw === 'ml'
+    if (isMl && OIL_VOLUMES.has(String(Number(amount)))) {
+      addType.value = 'oil'
+      newVolume.value = String(Number(amount))
+      newCustomDrops.value = null
+    } else {
+      addType.value = 'product'
+      newProductAmount.value = Number(amount)
+      newProductUnit.value = (unitRaw === '克' || unitRaw === 'g') ? 'g'
+        : (unitRaw === '颗' || unitRaw === '粒' || unitRaw === '片') ? 'capsule'
+        : 'ml'
+    }
+  } else {
+    addType.value = 'product'
+  }
+
+  ui.showToast('已识别并填入，请检查后点添加')
+}
+
 const newOilName = ref('')
 const newOilEnName = ref('')
 const newBottlePrice = ref(null)