chore(prototype): 库存原型搜索合一——编码并入商品名搜索框（与 Flutter 实现对齐）

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JJ1g8XV1YhhmHRzhwWEW7o

.superpowers/prototype/screens/inventory.html

@@ -57,8 +57,8 @@
           <div class="kpi alert click" onclick="filterStatus('已售')"><div class="ic ic-alert"><svg viewBox="0 0 24 24"><use href="#i-check"/></svg></div><div class="t">已售 · 点击筛选</div><div class="v">17</div><div class="d down">需补货 6 项</div></div>
         </div>
         <div class="toolbar">
-          <div class="searchbox"><svg viewBox="0 0 24 24"><use href="#i-search"/></svg><input id="searchInput" placeholder="商品名 / 拼音" oninput="state.q=this.value; state.page=1; render()"></div>
-          <div class="searchbox code"><svg viewBox="0 0 24 24"><use href="#i-search"/></svg><input id="codeInput" placeholder="商品编码" oninput="state.code=this.value; state.page=1; render()"></div>
+          <!-- 搜索合一（2026-07-07 用户口径）：名称/拼音/编码同框，与 Flutter 实现一致 -->
+          <div class="searchbox"><svg viewBox="0 0 24 24"><use href="#i-search"/></svg><input id="searchInput" placeholder="商品名 / 拼音 / 编码" oninput="state.q=this.value; state.page=1; render()"></div>
           <!-- 2026-07-07 用户口径：筛选全部上移工具栏（参照出库管理），列头漏斗退役、只留排序 -->
           <div class="chip" id="chipSpec" onclick="openDimFilter('spec',this)">规格 <span class="cv" id="specVal"></span><svg viewBox="0 0 24 24"><use href="#i-chevron-down"/></svg></div>
           <div class="chip" id="chipSeries" onclick="openDimFilter('series',this)">系列 <span class="cv" id="seriesVal"></span><svg viewBox="0 0 24 24"><use href="#i-chevron-down"/></svg></div>
@@ -124,7 +124,7 @@ function setActive(k){ document.querySelectorAll('.nav[data-k]').forEach(e=>e.cl
 function navTo(k){ setActive(k); const inv=document.querySelector('[data-view="inventory"]'), ph=document.querySelector('[data-view="placeholder"]'); if(k==='inventory'){inv.classList.add('active');ph.classList.remove('active');return;} inv.classList.remove('active');ph.classList.add('active'); const nav=NAVS.find(n=>n.k===k); document.getElementById('phTitle').textContent=nav.label; document.getElementById('phIcon').innerHTML=navSvg(nav.d); }
 
 function visibleCols(){ return COLS.filter(c=>!state.hidden.has(c.key)); }
-function filtered(){ const rows=ITEMS.filter(it=>{ if(state.status!=='全部'&&it.status!==state.status)return false; if(state.spec&&it.spec!==state.spec)return false; if(state.series&&it.series!==state.series)return false; if(state.wh&&it.supplier!==state.wh)return false; if(state.q){const q=state.q.toLowerCase(); if(!it.name.toLowerCase().includes(q))return false;} if(state.code){const c=state.code.toLowerCase(); if(!it.code.toLowerCase().includes(c))return false;} return true; }); if(state.sortBy&&SORT_VAL[state.sortBy]){const v=SORT_VAL[state.sortBy];rows.sort((a,b)=>{const x=v(a),y=v(b);return (x<y?-1:x>y?1:0)*(state.sortAsc?1:-1);});} return rows; }
+function filtered(){ const rows=ITEMS.filter(it=>{ if(state.status!=='全部'&&it.status!==state.status)return false; if(state.spec&&it.spec!==state.spec)return false; if(state.series&&it.series!==state.series)return false; if(state.wh&&it.supplier!==state.wh)return false; if(state.q){const q=state.q.toLowerCase(); if(!it.name.toLowerCase().includes(q)&&!it.code.toLowerCase().includes(q))return false;} return true; }); if(state.sortBy&&SORT_VAL[state.sortBy]){const v=SORT_VAL[state.sortBy];rows.sort((a,b)=>{const x=v(a),y=v(b);return (x<y?-1:x>y?1:0)*(state.sortAsc?1:-1);});} return rows; }
 function render(){
   document.getElementById('statusVal').textContent=state.status==='全部'?'':state.status;
   [['spec','chipSpec','specVal'],['series','chipSeries','seriesVal'],['wh','chipWh','whVal']].forEach(([k,cid,vid])=>{ document.getElementById(vid).textContent=state[k]||''; document.getElementById(cid).classList.toggle('on',!!state[k]); });
@@ -146,7 +146,7 @@ function filterStatus(s){ state.status=s; state.page=1; navTo('inventory'); rend
 // 列头排序：无→升→降→无 循环（真实实现为服务端全局排序）
 function toggleSort(k){ if(state.sortBy!==k){state.sortBy=k;state.sortAsc=true;} else if(state.sortAsc){state.sortAsc=false;} else {state.sortBy=null;state.sortAsc=true;} state.page=1; render(); }
 const SORT_VAL={qty:it=>it.qty,cost:it=>parseFloat(String(it.cost).replace(/[¥,]/g,''))||0,price:it=>parseFloat(String(it.price).replace(/[¥,]/g,''))||0,prodDate:it=>it.prodDate||'',inDate:it=>it.inDate||''};
-function clearFilters(){ state.q='';state.code='';state.status='全部';state.spec=null;state.series=null;state.wh=null;state.page=1; document.getElementById('searchInput').value=''; document.getElementById('codeInput').value=''; render(); }
+function clearFilters(){ state.q='';state.status='全部';state.spec=null;state.series=null;state.wh=null;state.page=1; document.getElementById('searchInput').value=''; render(); }
 
 function openFilter(kind,t){ openMenu(t,STATUS.map(v=>({v,label:v,sel:v===state.status})),v=>{ state.status=v; state.page=1; closeMenus(); render(); }); }
 // 维度筛选 chip（规格/系列/仓库，2026-07-07 从列头漏斗上移；真实实现为多选）