feat: 支持子类别配置和关键特性显示

- 类别数据结构新增 subcategories 字段
- 每个子类别可定义 key_features 和 feature_labels
- 前端模型页面添加子类别选择器
- 表格根据子类别动态显示关键特性列
- 后台管理支持编辑子类别配置（JSON格式）
- 预设了各类别的子类别配置（对话、代码、推理、视觉等）

templates/admin.html

@@ -922,6 +922,13 @@
                     else if (key === 'images') {
                         try { data[key] = JSON.parse(value); } catch { data[key] = []; }
                     }
+                    else if (key === 'subcategories') {
+                        // 解析子类别JSON
+                        try { data[key] = JSON.parse(value); } catch { 
+                            alert('子类别JSON格式错误，请检查格式');
+                            return;
+                        }
+                    }
                     else data[key] = value;
                 }
             });
@@ -1096,6 +1103,9 @@
 
         // 表单模板
         function getCategoryForm(data = {}) {
+            const subcategories = data.subcategories || [];
+            const subcategoriesJson = JSON.stringify(subcategories, null, 2);
+            
             return `<form id="itemForm" class="space-y-4">
                 <div class="grid grid-cols-2 gap-4">
                     <div><label class="text-sm text-gray-600 mb-1 block">ID *</label><input type="text" name="id" value="${data.id || ''}" ${data.id ? 'readonly' : ''} required class="w-full px-3 py-2 border rounded-lg ${data.id ? 'bg-gray-100' : ''}"></div>
@@ -1116,6 +1126,24 @@
                     </select></div>
                 </div>
                 <div><label class="text-sm text-gray-600 mb-1 block">描述</label><textarea name="description" rows="2" class="w-full px-3 py-2 border rounded-lg">${data.description || ''}</textarea></div>
+                
+                <!-- 子类别配置 -->
+                <div class="border-t pt-4">
+                    <label class="text-sm text-gray-600 mb-2 block"><i class="ri-folder-line mr-1"></i>子类别配置（JSON格式）</label>
+                    <div class="bg-blue-50 rounded-lg p-3 mb-2 text-xs text-blue-700">
+                        <p class="mb-2">子类别配置示例：</p>
+                        <pre class="bg-blue-100 p-2 rounded overflow-x-auto">[
+  {
+    "id": "chat",
+    "name": "对话模型",
+    "icon": "ri-chat-3-line",
+    "key_features": ["context_length", "mmlu"],
+    "feature_labels": {"context_length": "上下文", "mmlu": "MMLU"}
+  }
+]</pre>
+                    </div>
+                    <textarea name="subcategories" rows="8" class="w-full px-3 py-2 border rounded-lg font-mono text-sm" placeholder='[]'>${subcategoriesJson}</textarea>
+                </div>
             </form>`;
         }
 

templates/models.html

@@ -32,6 +32,19 @@
             <p class="text-gray-500 mt-1">AI大模型参数规格一览</p>
         </div>
 
+        <!-- 子类别选择器 -->
+        <div class="bg-white rounded-xl shadow-sm p-4 mb-4">
+            <div class="flex items-center gap-2 mb-2">
+                <span class="text-sm text-gray-600"><i class="ri-folder-line mr-1"></i>子类别：</span>
+            </div>
+            <div class="flex gap-2" id="subcategoryTabs">
+                <button onclick="selectSubcategory('')" class="px-4 py-2 bg-indigo-600 text-white rounded-lg text-sm" id="subcat-all">
+                    <i class="ri-apps-line mr-1"></i>全部
+                </button>
+                <!-- 动态加载子类别 -->
+            </div>
+        </div>
+
         <!-- 搜索和筛选 -->
         <div class="bg-white rounded-xl shadow-sm p-4 mb-6">
             <div class="flex gap-4 items-center">
@@ -101,12 +114,38 @@
     <script>
         let allModels = [];
         let categories = [];
+        let currentCategory = null;
+        let currentSubcategory = '';
+        
+        // 子类别默认特性配置
+        const DEFAULT_KEY_FEATURES = {
+            'chat': ['context_length', 'mmlu', 'input_price', 'output_price'],
+            'code': ['humaneval', 'context_length', 'input_price'],
+            'reasoning': ['mmlu', 'context_length', 'parameters'],
+            'vision': ['context_length', 'mmlu', 'input_price']
+        };
+        
+        const FEATURE_LABELS = {
+            'context_length': '上下文',
+            'mmlu': 'MMLU',
+            'humaneval': 'HumanEval',
+            'input_price': '输入价',
+            'output_price': '输出价',
+            'parameters': '参数量',
+            'reasoning_capability': '推理',
+            'vision_capability': '视觉',
+            'multimodal': '多模态'
+        };
 
         // 加载导航栏
         async function loadNav() {
             const res = await fetch('/api/categories');
             categories = await res.json();
             
+            // 获取当前类别的子类别
+            currentCategory = categories.find(c => c.id === 'ai-models');
+            renderSubcategoryTabs();
+            
             const builtinPages = [
                 {name: '首页', href: '/'},
                 {name: '工具', href: '/tools'},
@@ -134,6 +173,49 @@
             
             document.getElementById('topNav').innerHTML = navHtml;
         }
+        
+        // 渲染子类别选择器
+        function renderSubcategoryTabs() {
+            const container = document.getElementById('subcategoryTabs');
+            if (!currentCategory || !currentCategory.subcategories) {
+                container.innerHTML = '';
+                return;
+            }
+            
+            let html = `<button onclick="selectSubcategory('')" class="px-4 py-2 ${currentSubcategory === '' ? 'bg-indigo-600 text-white' : 'bg-gray-100 text-gray-600 hover:bg-gray-200'} rounded-lg text-sm" id="subcat-all">
+                <i class="ri-apps-line mr-1"></i>全部
+            </button>`;
+            
+            currentCategory.subcategories.forEach(sub => {
+                const isActive = currentSubcategory === sub.id;
+                html += `<button onclick="selectSubcategory('${sub.id}')" class="px-4 py-2 ${isActive ? 'bg-indigo-600 text-white' : 'bg-gray-100 text-gray-600 hover:bg-gray-200'} rounded-lg text-sm" id="subcat-${sub.id}">
+                    <i class="${sub.icon || 'ri-folder-line'} mr-1"></i>${sub.name}
+                </button>`;
+            });
+            
+            container.innerHTML = html;
+        }
+        
+        // 选择子类别
+        function selectSubcategory(subId) {
+            currentSubcategory = subId;
+            renderSubcategoryTabs();
+            loadModels();
+        }
+        
+        // 获取当前子类别的关键特性
+        function getKeyFeatures() {
+            if (!currentSubcategory || !currentCategory || !currentCategory.subcategories) {
+                return ['parameters', 'context_length', 'mmlu', 'input_price'];
+            }
+            
+            const subcat = currentCategory.subcategories.find(s => s.id === currentSubcategory);
+            if (subcat && subcat.key_features) {
+                return subcat.key_features;
+            }
+            
+            return ['parameters', 'context_length', 'mmlu', 'input_price'];
+        }
 
         async function loadModels() {
             const keyword = document.getElementById('searchInput').value.trim();
@@ -155,6 +237,21 @@
                 models = models.filter(m => !m.is_open_source);
             }
             
+            // 子类别过滤（通过模型名称/描述中的关键词判断）
+            if (currentSubcategory && currentCategory && currentCategory.subcategories) {
+                const subcat = currentCategory.subcategories.find(s => s.id === currentSubcategory);
+                if (subcat) {
+                    // 简化过滤：根据子类别关键词匹配
+                    // 实际应该有 subcategory_id 字段，这里暂时用名称匹配
+                    // 用户可以在后台编辑时指定子类别
+                    models = models.filter(m => {
+                        const subcatField = m.subcategory || m.subcategory_id;
+                        if (subcatField) return subcatField === currentSubcategory;
+                        return true; // 暂时显示全部，等后台支持子类别字段后再过滤
+                    });
+                }
+            }
+            
             renderModels(models);
         }
 
@@ -166,7 +263,31 @@
                 return;
             }
             
-            const html = models.map(m => `
+            // 动态获取关键特性
+            const keyFeatures = getKeyFeatures();
+            
+            // 动态表头
+            let headerHtml = `
+                <tr>
+                    <th class="px-4 py-3 text-left text-sm font-medium text-gray-600">模型名称</th>
+                    <th class="px-4 py-3 text-left text-sm font-medium text-gray-600">厂商</th>
+            `;
+            
+            keyFeatures.forEach(f => {
+                headerHtml += `<th class="px-4 py-3 text-left text-sm font-medium text-gray-600">${FEATURE_LABELS[f] || f}</th>`;
+            });
+            
+            headerHtml += `
+                    <th class="px-4 py-3 text-left text-sm font-medium text-gray-600">类型</th>
+                    <th class="px-4 py-3 text-center text-sm font-medium text-gray-600">操作</th>
+                </tr>
+            `;
+            
+            document.querySelector('#modelsTable thead').innerHTML = headerHtml;
+            
+            // 动态内容
+            const html = models.map(m => {
+                let rowHtml = `
                 <tr class="border-b hover:bg-gray-50 transition ${m.is_pinned ? 'bg-yellow-50' : ''}">
                     <td class="px-4 py-3">
                         <div class="flex items-center gap-2">
@@ -178,31 +299,57 @@
                         </div>
                     </td>
                     <td class="px-4 py-3 text-gray-600">${m.organization}</td>
-                    <td class="px-4 py-3">
-                        <span class="px-2 py-1 bg-blue-100 text-blue-700 rounded text-sm">${m.parameters}B</span>
-                    </td>
-                    <td class="px-4 py-3 text-gray-600">${formatContext(m.context_length)}</td>
-                    <td class="px-4 py-3">
-                        <span class="px-2 py-1 bg-green-100 text-green-700 rounded text-sm">${m.mmlu || '-'}%</span>
-                    </td>
+                `;
+                
+                // 关键特性列
+                keyFeatures.forEach(f => {
+                    const value = formatFeatureValue(f, m);
+                    rowHtml += `<td class="px-4 py-3">${value}</td>`;
+                });
+                
+                rowHtml += `
                     <td class="px-4 py-3">
                         ${m.is_open_source 
                             ? '<span class="px-2 py-1 bg-emerald-100 text-emerald-700 rounded text-sm">开源</span>'
                             : '<span class="px-2 py-1 bg-gray-100 text-gray-700 rounded text-sm">商业</span>'}
                     </td>
-                    <td class="px-4 py-3 text-sm text-gray-600">
-                        ${m.input_price ? `$${m.input_price}/$${m.output_price}` : '免费'}
-                    </td>
                     <td class="px-4 py-3 text-center">
                         <button onclick="showDetail('${m.id}')" class="text-indigo-600 hover:text-indigo-800 text-sm">
                             <i class="ri-eye-line mr-1"></i>详情
                         </button>
                     </td>
                 </tr>
-            `).join('');
+                `;
+                
+                return rowHtml;
+            }).join('');
             
             document.getElementById('modelsTable').innerHTML = html;
         }
+        
+        // 格式化特性值
+        function formatFeatureValue(feature, model) {
+            const value = model[feature];
+            
+            if (value === null || value === undefined) return '<span class="text-gray-400">-</span>';
+            
+            switch (feature) {
+                case 'parameters':
+                    return `<span class="px-2 py-1 bg-blue-100 text-blue-700 rounded text-sm">${value}B</span>`;
+                case 'context_length':
+                    return `<span class="text-gray-600">${formatContext(value)}</span>`;
+                case 'mmlu':
+                    return `<span class="px-2 py-1 bg-green-100 text-green-700 rounded text-sm">${value}%</span>`;
+                case 'humaneval':
+                    return `<span class="px-2 py-1 bg-purple-100 text-purple-700 rounded text-sm">${value}%</span>`;
+                case 'input_price':
+                    return `<span class="text-sm text-gray-600">$${value || 0}</span>`;
+                case 'output_price':
+                    return `<span class="text-sm text-gray-600">$${value || 0}</span>`;
+                default:
+                    return `<span class="text-gray-600">${value}</span>`;
+            }
+        }
 
         function formatContext(len) {
             if (!len) return '-';