feat: 拼音子序列匹配+产品名拼音补全+滴数框缩窄

- 拼音匹配支持子序列(js匹配紧致霜)，排序: 前缀>子串>子序列
- 补全产品名拼音(身紧致霜膏膜等)
- 滴数输入框从65/70px缩至50px

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

frontend/src/components/RecipeDetailOverlay.vue

@@ -1694,8 +1694,8 @@ async function saveRecipe() {
 }
 
 .editor-drops {
-  width: 70px;
-  padding: 7px 10px;
+  width: 50px;
+  padding: 7px 4px;
   border: 1.5px solid var(--border, #e0d4c0);
   border-radius: 8px;
   font-size: 13px;