feat: 配方卡片编辑器与管理配方编辑器统一

- RecipeDetailOverlay 编辑器改为新版：容量选择+参考比例+椰子油自动填满
- 和 RecipeManager 新增/编辑完全一致的界面和逻辑
- 实时显示配方摘要（用量/容量/稀释比例）

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

frontend/src/components/RecipeDetailOverlay.vue

@@ -144,154 +144,72 @@
           </div>
         </div>
 
-        <!-- Tip -->
-        <div class="editor-tip">
-          💡 推荐按照单次用量（椰子油10~20滴）添加纯精油，系统会根据容量和稀释比例自动计算。
+        <!-- Volume selector -->
+        <div class="editor-section">
+          <label class="editor-label">容量</label>
+          <div class="volume-controls">
+            <button class="volume-btn" :class="{ active: selectedVolume === 'single' }" @click="selectedVolume = 'single'">单次</button>
+            <button class="volume-btn" :class="{ active: selectedVolume === '5' }" @click="selectedVolume = '5'">5ml</button>
+            <button class="volume-btn" :class="{ active: selectedVolume === '10' }" @click="selectedVolume = '10'">10ml</button>
+            <button class="volume-btn" :class="{ active: selectedVolume === '15' }" @click="selectedVolume = '15'">15ml</button>
+            <button class="volume-btn" :class="{ active: selectedVolume === '20' }" @click="selectedVolume = '20'">20ml</button>
+            <button class="volume-btn" :class="{ active: selectedVolume === '30' }" @click="selectedVolume = '30'">30ml</button>
+            <button class="volume-btn" :class="{ active: selectedVolume === 'custom' }" @click="selectedVolume = 'custom'">自定义</button>
+          </div>
+          <div v-if="selectedVolume === 'custom'" class="custom-volume-row">
+            <input v-model.number="customVolumeValue" type="number" min="1" class="editor-drops" placeholder="ml" />
+            <span style="font-size:12px;color:#999">ml</span>
+          </div>
+          <div class="dilution-row">
+            <span class="dilution-label">参考比例 1:</span>
+            <select v-model.number="dilutionRatio" class="editor-select" style="width:60px">
+              <option v-for="n in [3,4,5,6,7,8,9,10,12,15,20]" :key="n" :value="n">{{ n }}</option>
+            </select>
+            <span class="ratio-hint">纯精油约 {{ editorSuggestedEo }} 滴</span>
+          </div>
         </div>
 
-        <!-- Ingredients table -->
+        <!-- Ingredients table (EO only, coconut at bottom) -->
         <div class="editor-section">
           <table class="editor-table">
             <thead>
-              <tr>
-                <th>精油</th>
-                <th>滴数</th>
-                <th>单价/滴</th>
-                <th>小计</th>
-                <th></th>
-              </tr>
+              <tr><th>精油</th><th>滴数</th><th>单价/滴</th><th>小计</th><th></th></tr>
             </thead>
             <tbody>
-              <tr v-for="(ing, i) in editIngredients" :key="i">
+              <tr v-for="(ing, i) in editEoIngredients" :key="'eo-'+i">
                 <td>
                   <select v-model="ing.oil" class="editor-select">
                     <option value="">选择精油</option>
                     <option v-for="name in oilsStore.oilNames" :key="name" :value="name">{{ name }}</option>
                   </select>
                 </td>
+                <td><input v-model.number="ing.drops" type="number" min="0.5" step="0.5" class="editor-drops" /></td>
+                <td class="ing-ppd">{{ ing.oil ? oilsStore.fmtPrice(oilsStore.pricePerDrop(ing.oil)) : '-' }}</td>
+                <td class="ing-cost">{{ ing.oil ? oilsStore.fmtPrice(oilsStore.pricePerDrop(ing.oil) * (ing.drops || 0)) : '-' }}</td>
+                <td><button class="remove-row-btn" @click="editIngredients.splice(editIngredients.indexOf(ing), 1)">✕</button></td>
+              </tr>
+              <!-- Coconut oil row -->
+              <tr v-if="editCocoRow" class="coco-row">
+                <td><span class="coco-label">椰子油</span></td>
                 <td>
-                  <input
-                    v-model.number="ing.drops"
-                    type="number"
-                    min="0.5"
-                    step="0.5"
-                    class="editor-drops"
-                  />
-                </td>
-                <td class="ing-ppd">
-                  {{ ing.oil ? oilsStore.fmtPrice(oilsStore.pricePerDrop(ing.oil)) : '-' }}
-                </td>
-                <td class="ing-cost">
-                  {{ ing.oil ? oilsStore.fmtPrice(oilsStore.pricePerDrop(ing.oil) * (ing.drops || 0)) : '-' }}
-                </td>
-                <td>
-                  <button class="remove-row-btn" @click="removeIngredient(i)">✕</button>
+                  <template v-if="selectedVolume === 'single'">
+                    <input v-model.number="editCocoRow.drops" type="number" min="0" class="editor-drops" />
+                  </template>
+                  <template v-else>
+                    <span class="coco-fill">填满 (约{{ editorCocoFillMl }}ml)</span>
+                  </template>
                 </td>
+                <td class="ing-ppd">{{ oilsStore.fmtPrice(oilsStore.pricePerDrop('椰子油')) }}</td>
+                <td class="ing-cost">{{ oilsStore.fmtPrice(oilsStore.pricePerDrop('椰子油') * editorCocoActualDrops) }}</td>
+                <td><button class="remove-row-btn" @click="editCocoRow = null">✕</button></td>
               </tr>
             </tbody>
           </table>
-
-          <!-- Add ingredient row -->
-          <div v-if="showAddRow" class="add-ingredient-row">
-            <div class="oil-autocomplete">
-              <input
-                v-model="oilSearchQuery"
-                @focus="showOilDropdown = true"
-                @blur="closeOilDropdown"
-                @input="newIngOil = ''"
-                class="editor-input oil-search-input"
-                placeholder="搜索精油名称或英文..."
-                autocomplete="off"
-              />
-              <div v-if="showOilDropdown && filteredOilsForAdd.length" class="oil-dropdown">
-                <div
-                  v-for="name in filteredOilsForAdd"
-                  :key="name"
-                  class="oil-dropdown-item"
-                  :class="{ 'is-selected': newIngOil === name }"
-                  @mousedown.prevent="selectNewOil(name)"
-                >
-                  <span>{{ name }}</span>
-                  <span class="oil-dropdown-en">{{ oilEn(name) }}</span>
-                </div>
-              </div>
-            </div>
-            <input
-              v-model.number="newIngDrops"
-              type="number"
-              placeholder="滴数"
-              min="0.5"
-              step="0.5"
-              class="editor-drops"
-            />
-            <button class="action-btn action-btn-primary action-btn-sm" @click="confirmAddIngredient">确认</button>
-            <button class="action-btn action-btn-sm" @click="cancelAddRow">取消</button>
-          </div>
-          <button v-else class="add-row-btn" @click="showAddRow = true">+ 添加精油</button>
+          <button class="add-row-btn" @click="addEoRow">+ 添加精油</button>
         </div>
 
-        <!-- Volume & Dilution controls -->
-        <div class="editor-section">
-          <label class="editor-label">容量与稀释</label>
-          <div class="volume-controls">
-            <button
-              class="volume-btn"
-              :class="{ active: selectedVolume === 'single' }"
-              @click="selectedVolume = 'single'"
-            >单次</button>
-            <button
-              class="volume-btn"
-              :class="{ active: selectedVolume === '5' }"
-              @click="selectedVolume = '5'"
-            >5ml</button>
-            <button
-              class="volume-btn"
-              :class="{ active: selectedVolume === '10' }"
-              @click="selectedVolume = '10'"
-            >10ml</button>
-            <button
-              class="volume-btn"
-              :class="{ active: selectedVolume === '30' }"
-              @click="selectedVolume = '30'"
-            >30ml</button>
-            <button
-              class="volume-btn"
-              :class="{ active: selectedVolume === 'custom' }"
-              @click="selectedVolume = 'custom'"
-            >自定义</button>
-          </div>
-
-          <!-- Custom volume input -->
-          <div v-if="selectedVolume === 'custom'" class="custom-volume-row">
-            <input
-              v-model.number="customVolumeValue"
-              type="number"
-              min="1"
-              class="editor-drops"
-              placeholder="数量"
-            />
-            <select v-model="customVolumeUnit" class="editor-select" style="width:80px">
-              <option value="drops">滴</option>
-              <option value="ml">ml</option>
-            </select>
-          </div>
-
-          <!-- Dilution ratio -->
-          <div class="dilution-row">
-            <span class="dilution-label">稀释比例 1:</span>
-            <select v-model.number="dilutionRatio" class="editor-select" style="width:70px">
-              <option v-for="n in 20" :key="n" :value="n">{{ n }}</option>
-            </select>
-          </div>
-
-          <button class="action-btn action-btn-primary action-btn-sm" @click="applyVolumeDilution" style="margin-top:8px">
-            应用到配方
-          </button>
-
-          <div class="hint" style="margin-top:8px">
-            {{ dilutionHint }}
-          </div>
-        </div>
+        <!-- Real-time summary -->
+        <div class="recipe-summary">{{ editorSummaryText }}</div>
 
         <!-- Notes -->
         <div class="editor-section">
@@ -308,35 +226,18 @@
               <span class="tag-remove" @click="removeTag(tag)">×</span>
             </span>
           </div>
-          <!-- Candidate tags (from allTags, excluding already selected) -->
           <div class="candidate-tags" v-if="candidateTags.length">
-            <span
-              v-for="tag in candidateTags"
-              :key="tag"
-              class="candidate-tag"
-              @click="addTag(tag)"
-            >+ {{ tag }}</span>
+            <span v-for="tag in candidateTags" :key="tag" class="candidate-tag" @click="addTag(tag)">+ {{ tag }}</span>
           </div>
-          <!-- Manual tag input -->
           <div class="tag-input-row">
-            <input
-              v-model="newTagInput"
-              type="text"
-              class="editor-input"
-              placeholder="添加新标签..."
-              @keydown.enter="addNewTag"
-              style="flex:1"
-            />
+            <input v-model="newTagInput" type="text" class="editor-input" placeholder="添加新标签..." @keydown.enter="addNewTag" style="flex:1" />
             <button class="action-btn action-btn-sm" @click="addNewTag" :disabled="!newTagInput.trim()">+</button>
           </div>
         </div>
 
         <!-- Total cost -->
         <div class="editor-total">
-          总计: {{ editPriceInfo.cost }}
-          <span v-if="editPriceInfo.hasRetail" class="editor-retail">
-            零售 {{ editPriceInfo.retail }}
-          </span>
+          总计: {{ editorTotalCost }}
         </div>
       </div>
     </div>
@@ -789,7 +690,54 @@ function cancelAddRow() {
 const selectedVolume = ref('single')
 const customVolumeValue = ref(100)
 const customVolumeUnit = ref('drops')
-const dilutionRatio = ref(3)
+const dilutionRatio = ref(6)
+const editCocoRow = ref({ oil: '椰子油', drops: 10 })
+
+const editEoIngredients = computed(() =>
+  editIngredients.value.filter(i => i.oil !== '椰子油')
+)
+const editorEoDrops = computed(() =>
+  editEoIngredients.value.filter(i => i.oil && i.drops > 0).reduce((s, i) => s + i.drops, 0)
+)
+const editorTargetDrops = computed(() => {
+  if (selectedVolume.value === 'single') return null
+  if (selectedVolume.value === 'custom') return Math.round((customVolumeValue.value || 0) * DROPS_PER_ML)
+  return Math.round(Number(selectedVolume.value) * DROPS_PER_ML)
+})
+const editorCocoActualDrops = computed(() => {
+  if (!editCocoRow.value) return 0
+  if (selectedVolume.value === 'single') return editCocoRow.value.drops || 0
+  if (!editorTargetDrops.value) return 0
+  return Math.max(0, editorTargetDrops.value - editorEoDrops.value)
+})
+const editorCocoFillMl = computed(() => Math.round(editorCocoActualDrops.value / DROPS_PER_ML))
+const editorSuggestedEo = computed(() => {
+  if (selectedVolume.value === 'single') {
+    const coco = editCocoRow.value ? (editCocoRow.value.drops || 10) : 10
+    return Math.round(coco / dilutionRatio.value)
+  }
+  return Math.round((editorTargetDrops.value || 0) / (1 + dilutionRatio.value))
+})
+const editorSummaryText = computed(() => {
+  const eo = editorEoDrops.value
+  const coco = editorCocoActualDrops.value
+  const ratio = eo > 0 ? Math.round(coco / eo) : 0
+  if (selectedVolume.value === 'single') {
+    return `该配方为单次用量，纯精油 ${eo} 滴，椰子油 ${coco} 滴，稀释比例 1:${ratio}`
+  }
+  const vol = selectedVolume.value === 'custom' ? (customVolumeValue.value || 0) : Number(selectedVolume.value)
+  return `该配方总容量 ${vol}ml，纯精油 ${eo} 滴，剩余用椰子油填满，稀释比例 1:${ratio}`
+})
+const editorTotalCost = computed(() => {
+  let cost = editEoIngredients.value.filter(i => i.oil && i.drops > 0)
+    .reduce((s, i) => s + oilsStore.pricePerDrop(i.oil) * i.drops, 0)
+  cost += oilsStore.pricePerDrop('椰子油') * editorCocoActualDrops.value
+  return oilsStore.fmtPrice(cost)
+})
+
+function addEoRow() {
+  editIngredients.value.push({ oil: '', drops: 1 })
+}
 
 const editPriceInfo = computed(() =>
   oilsStore.fmtCostWithRetail(editIngredients.value.filter(i => i.oil))
@@ -833,7 +781,10 @@ onMounted(() => {
   editName.value = r.name
   editNote.value = r.note || ''
   editTags.value = [...(r.tags || [])]
-  editIngredients.value = (r.ingredients || []).map(i => ({ oil: i.oil, drops: i.drops }))
+  const allIngs = (r.ingredients || [])
+  editIngredients.value = allIngs.filter(i => i.oil !== '椰子油').map(i => ({ oil: i.oil, drops: i.drops }))
+  const coco = allIngs.find(i => i.oil === '椰子油')
+  editCocoRow.value = coco ? { oil: '椰子油', drops: coco.drops } : { oil: '椰子油', drops: 10 }
   // Init translation defaults
   customRecipeNameEn.value = r.en_name || recipeNameEn(r.name)
   const enMap = {}
@@ -843,20 +794,21 @@ onMounted(() => {
   customOilNameEn.value = enMap
 
   // Calculate current dilution ratio and volume from ingredients
-  const ings = r.ingredients || []
-  const coco = ings.find(i => i.oil === '椰子油')
-  const eoDrops = ings.filter(i => i.oil && i.oil !== '椰子油').reduce((s, i) => s + (i.drops || 0), 0)
-  const cocoDrops = coco ? (coco.drops || 0) : 0
-  const totalDrops = eoDrops + cocoDrops
-  if (eoDrops > 0 && cocoDrops > 0) {
-    dilutionRatio.value = Math.round(cocoDrops / eoDrops)
+  const cocoIng = allIngs.find(i => i.oil === '椰子油')
+  const eoTotal = allIngs.filter(i => i.oil && i.oil !== '椰子油').reduce((s, i) => s + (i.drops || 0), 0)
+  const cocoTotal = cocoIng ? (cocoIng.drops || 0) : 0
+  const totalDrops = eoTotal + cocoTotal
+  if (eoTotal > 0 && cocoTotal > 0) {
+    dilutionRatio.value = Math.round(cocoTotal / eoTotal)
   }
   const ml = totalDrops / DROPS_PER_ML
   if (ml <= 1.5) selectedVolume.value = 'single'
   else if (Math.abs(ml - 5) < 1.5) selectedVolume.value = '5'
   else if (Math.abs(ml - 10) < 3) selectedVolume.value = '10'
+  else if (Math.abs(ml - 15) < 3) selectedVolume.value = '15'
+  else if (Math.abs(ml - 20) < 4) selectedVolume.value = '20'
   else if (Math.abs(ml - 30) < 8) selectedVolume.value = '30'
-  else { selectedVolume.value = 'custom'; customVolumeValue.value = Math.round(totalDrops); customVolumeUnit.value = 'drops' }
+  else { selectedVolume.value = 'custom'; customVolumeValue.value = Math.round(ml) }
 
   loadBrand()
   nextTick(() => generateCardImage())
@@ -1018,23 +970,28 @@ function previewFromEditor() {
 }
 
 async function saveRecipe() {
-  const ingredients = editIngredients.value.filter(i => i.oil && i.drops > 0)
+  const eoIngs = editIngredients.value.filter(i => i.oil && i.oil !== '椰子油' && i.drops > 0)
   if (!editName.value.trim()) {
     ui.showToast('请输入配方名称')
     return
   }
-  if (ingredients.length === 0) {
+  if (eoIngs.length === 0) {
     ui.showToast('请至少添加一种精油')
     return
   }
 
+  const allIngs = eoIngs.map(i => ({ oil_name: i.oil, drops: i.drops }))
+  if (editCocoRow.value && editorCocoActualDrops.value > 0) {
+    allIngs.push({ oil_name: '椰子油', drops: editorCocoActualDrops.value })
+  }
+
   try {
     const payload = {
       ...recipe.value,
       name: editName.value.trim(),
       note: editNote.value.trim(),
       tags: editTags.value,
-      ingredients: ingredients.map(i => ({ oil_name: i.oil, drops: i.drops })),
+      ingredients: allIngs,
     }
     await recipesStore.saveRecipe(payload)
     // Reload recipes so the data is fresh when re-opened
@@ -1794,6 +1751,15 @@ async function saveRecipe() {
   color: var(--sage-dark, #5a7d5e);
 }
 
+.coco-row { background: #f8faf8; }
+.coco-label { font-weight: 600; color: #4a9d7e; font-size: 13px; }
+.coco-fill { font-size: 12px; color: #4a9d7e; font-weight: 500; }
+.recipe-summary {
+  padding: 10px 14px; background: #f0faf5; border-radius: 10px; border-left: 3px solid #7ec6a4;
+  font-size: 13px; color: #2e7d5a; margin-bottom: 12px; line-height: 1.6;
+}
+.ratio-hint { font-size: 12px; color: #4a9d7e; font-weight: 500; white-space: nowrap; }
+
 /* Volume controls */
 .volume-controls {
   display: flex;