fix: RecipeIn加en_name字段修复共享500错误 + 前端配方名翻译

- RecipeIn 模型添加 en_name 字段，修复共享配方500错误
- recipeNameEn 使用关键词字典翻译，预览卡片英文名不再显示中文

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

backend/main.py

@@ -99,6 +99,7 @@ class RecipeIn(BaseModel):
     note: str = ""
     ingredients: list[IngredientIn]
     tags: list[str] = []
+    en_name: Optional[str] = None
 
 
 class RecipeUpdate(BaseModel):

frontend/src/composables/useOilTranslation.js

@@ -37,10 +37,58 @@ export function oilEn(name) {
   return ''
 }
 
+const RECIPE_KEYWORDS = {
+  '头疗':'Scalp Therapy','头痛':'Headache','偏头痛':'Migraine','头皮':'Scalp','头发':'Hair',
+  '肩颈':'Neck & Shoulder','颈椎':'Cervical','肩':'Shoulder','腰椎':'Lumbar','腰':'Lower Back',
+  '关节':'Joint','膝':'Knee','背':'Back','胸':'Chest','腹部':'Abdominal',
+  '乳腺':'Breast','子宫':'Uterine','私密':'Intimate','卵巢':'Ovarian',
+  '淋巴':'Lymph','肝':'Liver','肾':'Kidney','脾':'Spleen','胃':'Stomach','肺':'Lung','肠':'Intestinal',
+  '酸痛':'Pain Relief','疼痛':'Pain Relief','止痛':'Pain Relief',
+  '感冒':'Cold','发烧':'Fever','咳嗽':'Cough','咽喉':'Throat',
+  '过敏':'Allergy','鼻炎':'Rhinitis','哮喘':'Asthma',
+  '湿疹':'Eczema','痘痘':'Acne','粉刺':'Acne',
+  '消炎':'Anti-Inflammatory','便秘':'Constipation','消化':'Digestion',
+  '失眠':'Insomnia','助眠':'Sleep Aid','好眠':'Sleep Well','安眠':'Sleep',
+  '焦虑':'Anxiety','抑郁':'Depression','情绪':'Emotional',
+  '压力':'Stress','放松':'Relaxation','舒缓':'Soothing',
+  '水肿':'Edema','痛经':'Menstrual Pain','月经':'Menstrual','更年期':'Menopause','荷尔蒙':'Hormone',
+  '结节':'Nodule','囊肿':'Cyst','灰指甲':'Nail Fungus','脚气':'Athlete\'s Foot',
+  '白发':'Gray Hair','脱发':'Hair Loss','生发':'Hair Growth',
+  '瘦身':'Slimming','紫外线':'UV','抗衰':'Anti-Aging','美白':'Whitening','补水':'Hydrating',
+  '排毒':'Detox','净化':'Purifying','驱蚊':'Mosquito Repellent',
+  '护理':'Care','调理':'Therapy','修复':'Repair','养护':'Nourish',
+  '按摩':'Massage','刮痧':'Gua Sha','泡脚':'Foot Soak','精油浴':'Oil Bath',
+  '喷雾':'Spray','扩香':'Diffuser',
+  '疏通':'Unblock','祛湿':'Dampness Relief','驱寒':'Warming','健脾':'Spleen Wellness',
+  '美容':'Beauty','面膜':'Face Mask','发膜':'Hair Mask',
+  '配方':'Blend','方':'Blend','包':'Blend',
+  '增强版':'Enhanced','高配版':'Premium','男士':'Men\'s','儿童':'Children\'s',
+  '呼吸系统':'Respiratory System','呼吸':'Respiratory','免疫':'Immunity',
+  '缓解':'Relief','改善':'Improve','预防':'Prevention',
+  '带脉':'Belt Meridian','经络':'Meridian','静脉曲张':'Varicose Veins',
+  '口腔溃疡':'Mouth Ulcer','口唇疱疹':'Cold Sore','蚊虫叮咬':'Insect Bite',
+  '暖宫':'Uterus Warming','调经':'Menstrual Regulation',
+}
+const _SORTED = Object.keys(RECIPE_KEYWORDS).sort((a, b) => b.length - a.length)
+
 export function recipeNameEn(name) {
-  // Try to translate known keywords
+  if (!name) return name
-  // Simple approach: return original name for now, user can customize
+  const parts = []
-  return name
+  let i = 0
+  while (i < name.length) {
+    let matched = false
+    for (const key of _SORTED) {
+      if (name.substring(i, i + key.length) === key) {
+        const en = RECIPE_KEYWORDS[key]
+        if (!parts.includes(en)) parts.push(en)
+        i += key.length
+        matched = true
+        break
+      }
+    }
+    if (!matched) i++
+  }
+  return parts.length ? parts.join(' ') : name
 }
 
 // Custom translations (can be set by admin)