Add initialization handling for LoRA page with loading state

- Implement dynamic initialization detection in lora_routes
- Add initialization notice template with loading spinner
- Create CSS styles for initialization notice
- Add client-side script to auto-refresh page when initialization completes

templates/loras.html

@@ -42,14 +42,46 @@
     {% include 'components/loading.html' %}
 
     <div class="container">
-        {% include 'components/controls.html' %}
-
-        <!-- Lora卡片容器 -->
-        <div class="card-grid" id="loraGrid">
-            <!-- Cards will be dynamically inserted here -->
+        {% if is_initializing %}
+        <div class="initialization-notice">
+            <div class="notice-content">
+                <div class="loading-spinner"></div>
+                <h2>Initializing LoRA Manager</h2>
+                <p>Scanning and building LoRA cache. This may take a few minutes...</p>
+            </div>
         </div>
+        {% else %}
+            {% include 'components/controls.html' %}
+            <!-- Lora卡片容器 -->
+            <div class="card-grid" id="loraGrid">
+                <!-- Cards will be dynamically inserted here -->
+            </div>
+        {% endif %}
     </div>
 
     <script type="module" src="/loras_static/js/main.js"></script>
+    <script>
+        // 检查初始化状态并设置自动刷新
+        {% if is_initializing %}
+        async function checkInitStatus() {
+            try {
+                const response = await fetch('/api/loras?page=1&page_size=1');
+                if (response.ok) {
+                    // 如果成功获取数据，说明初始化完成，刷新页面
+                    window.location.reload();
+                } else {
+                    // 如果还未完成，继续轮询
+                    setTimeout(checkInitStatus, 2000); // 每2秒检查一次
+                }
+            } catch (error) {
+                // 如果出错，继续轮询
+                setTimeout(checkInitStatus, 2000);
+            }
+        }
+        
+        // 启动状态检查
+        checkInitStatus();
+        {% endif %}
+    </script>
 </body>
 </html>