feat: 并发文件审查，可配置并行度

templates/pages/review.html

@@ -18,7 +18,7 @@
         <h1 class="text-2xl font-bold text-gray-900 mb-6">AI 代码审查</h1>
 
         <div class="bg-white rounded-lg shadow-md p-6 mb-6">
-            <div class="grid grid-cols-3 gap-4 mb-4">
+            <div class="grid grid-cols-4 gap-4 mb-4">
                 <div>
                     <label class="block text-sm font-medium text-gray-700 mb-1">Base</label>
                     <select id="base-ref" class="w-full border rounded-md px-3 py-2" required>
@@ -37,6 +37,12 @@
                            placeholder="留空=全部">
                     <p class="text-xs text-gray-400 mt-1">设为 0 分析全部文件</p>
                 </div>
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-1">并发分析数</label>
+                    <input type="number" id="concurrency" value="{{.Concurrency}}" min="1" max="20" class="w-full border rounded-md px-3 py-2"
+                           placeholder="默认 5">
+                    <p class="text-xs text-gray-400 mt-1">同时分析的文件数 (1-20)</p>
+                </div>
             </div>
             <button onclick="startReview()" id="btn-review" class="w-full bg-purple-600 text-white py-2 px-4 rounded-md hover:bg-purple-700">
                 开始审查
@@ -254,10 +260,13 @@
             let completedFiles = 0;
             let currentFile = '';
 
+            const concurrency = document.getElementById('concurrency').value;
+
             currentSSE = SSE.post(`/api/repos/${repoId}/review`, {
                 base: baseRef,
                 head: headRef,
                 top_n: parseInt(topN) || 0,
+                concurrency: parseInt(concurrency) || 5,
             }, {
                 start(data) {
                     totalFiles = data.total_files || 0;