品种管理交易所字段支持中英双语展示，加宽表单面板

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ft-app/app/templates/admin.html

@@ -20,6 +20,10 @@
 </style>
 
 {% set tab = request.query_params.get('tab', 'sync') %}
+{% set exchange_names = {} %}
+{% for ex in exchanges %}
+{% set _ = exchange_names.update({ex[0]: ex[1]}) %}
+{% endfor %}
 
 <div class="tabs">
   <button class="tab-btn{% if tab == 'sync' %} active{% endif %}" onclick="switchTab('sync')">📡 数据同步</button>
@@ -51,7 +55,7 @@
          onclick="toggleProduct(this)">
       <span class="collapse-arrow" style="font-size:0.75rem;transition:transform .2s;display:inline-block;transform:rotate(-90deg);">▼</span>
       <strong style="font-size:0.92rem;">{{ p.code }} · {{ p.name }}</strong>
-      <span style="font-size:0.78rem;color:var(--sub);">{{ p.exchange }}</span>
+      <span style="font-size:0.78rem;color:var(--sub);">{{ exchange_names.get(p.exchange, p.exchange) }}</span>
       <span style="font-size:0.78rem;color:var(--sub);margin-left:8px;">{{ p.contracts|length }} 合约</span>
       <form method="post" action="/admin/sync/product/{{ p.id }}" style="display:inline;margin-left:auto;" onclick="event.stopPropagation()">
         <button type="submit" class="btn" style="font-size:0.78rem;padding:4px 14px;background:var(--accent);color:#fff;border-radius:5px;">同步行情</button>
@@ -86,7 +90,7 @@
 
 {# ═══════════════════ Tab: 品种管理 ═══════════════════ #}
 <div class="tab-panel{% if tab == 'product' %} active{% endif %}" id="tab-product">
-  <div class="form-card" style="margin-bottom:24px;">
+  <div class="form-card" style="margin-bottom:24px;max-width:720px;">
     <div class="section-title">新建品种</div>
     <form method="post" action="/admin/product" style="display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;">
       <div class="form-group" style="margin-bottom:0;flex:1;min-width:120px;">
@@ -97,11 +101,11 @@
         <label>品种名称</label>
         <input type="text" name="name" required placeholder="玻璃">
       </div>
-      <div class="form-group" style="margin-bottom:0;flex:1;min-width:120px;">
+      <div class="form-group" style="margin-bottom:0;flex:1;min-width:200px;">
         <label>交易所</label>
         <select name="exchange" required>
           {% for ex in exchanges %}
-          <option value="{{ ex }}">{{ ex }}</option>
+          <option value="{{ ex[0] }}">{{ ex[1] }}</option>
           {% endfor %}
         </select>
       </div>
@@ -121,7 +125,7 @@
     <tr>
       <td><strong>{{ p.code }}</strong></td>
       <td>{{ p.name }}</td>
-      <td>{{ p.exchange }}</td>
+      <td>{{ exchange_names.get(p.exchange, p.exchange) }}</td>
       <td>{{ p.point_value }}</td>
       <td>{{ p.contracts|length }}</td>
       <td>