feat: 新增当前启用的AI卡片显示

app/static/ai_config.css

@@ -279,6 +279,57 @@ body {
     color: var(--red);
 }
 
+/* 当前启用的AI卡片 */
+.active-ai-card {
+    border-color: var(--green-border);
+    background: var(--green-bg);
+}
+
+.active-ai-card .card-header h3 {
+    color: var(--green);
+}
+
+.active-ai-card .card-header i {
+    color: var(--green);
+}
+
+.active-ai-display {
+    display: flex;
+    align-items: center;
+    gap: 16px;
+    padding: 12px;
+}
+
+.active-ai-icon {
+    width: 48px;
+    height: 48px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background: rgba(34, 197, 94, 0.15);
+    border: 1px solid var(--green-border);
+    border-radius: 12px;
+    color: var(--green);
+    font-size: 24px;
+}
+
+.active-ai-info {
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+}
+
+.active-ai-name {
+    font-size: 16px;
+    font-weight: 600;
+    color: var(--text-primary);
+}
+
+.active-ai-model {
+    font-size: 13px;
+    color: var(--text-secondary);
+}
+
 /* 设置列表 */
 .settings-list {
     display: flex;

app/static/ai_config.html

@@ -28,6 +28,22 @@
 
         <main class="main-content">
             <div class="config-container">
+                <!-- 当前启用的AI -->
+                <div class="config-card active-ai-card" id="active-ai-card" style="display:none;">
+                    <div class="card-header">
+                        <h3><i class="fas fa-check-circle"></i> 当前启用</h3>
+                    </div>
+                    <div class="active-ai-display">
+                        <div class="active-ai-icon" id="active-ai-icon">
+                            <i class="fas fa-robot"></i>
+                        </div>
+                        <div class="active-ai-info">
+                            <div class="active-ai-name" id="active-ai-name">--</div>
+                            <div class="active-ai-model" id="active-ai-model">--</div>
+                        </div>
+                    </div>
+                </div>
+
                 <!-- AI提供商选择 -->
                 <div class="config-card">
                     <div class="card-header">

app/static/ai_config.js

@@ -134,6 +134,16 @@ function populateForm(config) {
         document.getElementById('temperature').value = activeModel.temperature || 0.7;
         document.getElementById('temp-value').textContent = activeModel.temperature || 0.7;
         document.getElementById('max-tokens').value = activeModel.max_tokens || 2000;
+        
+        // 选中当前启用的提供商卡片
+        const providerCard = document.querySelector(`.provider-card[data-provider="${activeModel.provider}"]`);
+        if (providerCard) {
+            document.querySelectorAll('.provider-card').forEach(c => c.classList.remove('active'));
+            providerCard.classList.add('active');
+        }
+        
+        // 更新模型下拉框
+        updateProviderModels();
     }
     
     if (config.analysis_settings) {
@@ -147,11 +157,36 @@ function populateForm(config) {
 
 function renderModelsList(models) {
     const list = document.getElementById('models-list');
+    const activeCard = document.getElementById('active-ai-card');
+    
     if (!models || models.length === 0) {
         list.innerHTML = '<div class="empty-state">暂无已保存的模型</div>';
+        activeCard.style.display = 'none';
         return;
     }
     
+    const activeModel = models.find(m => m.enabled);
+    if (activeModel) {
+        activeCard.style.display = 'block';
+        document.getElementById('active-ai-name').textContent = getProviderName(activeModel.provider || activeModel.api_base);
+        document.getElementById('active-ai-model').textContent = activeModel.model_name || activeModel.model_id || '--';
+        
+        const iconMap = {
+            'openai': 'fab fa-openai',
+            'anthropic': 'fas fa-robot',
+            'google': 'fab fa-google',
+            'aliyun': 'fas fa-cloud',
+            'aliyun_coding': 'fas fa-code',
+            'bailian': 'fas fa-flask',
+            'baidu': 'fas fa-comments',
+            'zhipu': 'fas fa-lightbulb'
+        };
+        const icon = document.getElementById('active-ai-icon').querySelector('i');
+        icon.className = iconMap[activeModel.provider] || 'fas fa-robot';
+    } else {
+        activeCard.style.display = 'none';
+    }
+    
     list.innerHTML = models.map((model, index) => `
         <div class="model-item">
             <div class="model-info">
@@ -162,7 +197,7 @@ function renderModelsList(models) {
                 </div>
             </div>
             <div class="model-actions">
-                ${!model.enabled ? `<button class="btn-set-active" onclick="setActiveModel(${index})">设为默认</button>` : '<span class="active-badge">默认</span>'}
+                ${!model.enabled ? `<button class="btn-set-active" onclick="setActiveModel(${index})">设为默认</button>` : '<span class="active-badge">当前启用</span>'}
                 <button class="btn-delete" onclick="deleteModel(${index})"><i class="fas fa-trash"></i></button>
             </div>
         </div>
@@ -273,6 +308,10 @@ async function saveConfig() {
         models.push(newModel);
     }
     
+    models.forEach(m => {
+        m.enabled = (m.provider === selectedProvider && m.model_id === modelId);
+    });
+    
     const config = {
         models: models,
         active_model: selectedProvider,