fix: use a closed ring for project preview task stats

Replace the small refresh-arrow icon so it no longer renders as a spike at compact sizes.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/static/css/style.css

@@ -44002,8 +44002,9 @@ html[data-theme="dark"] #project-panel-assets .projects-panel-pagination.paginat
 }
 
 .project-folder-preview-stats svg {
-    width: 15px;
+    width: 16px;
-    height: 15px;
+    height: 16px;
+    overflow: visible;
 }
 
 .project-folder-preview-details {

web/static/js/project-folder-preview.test.cjs

@@ -139,6 +139,15 @@ test('对话悬浮预览标题与时间分行显示并保留更多标题内容',
     assert.doesNotMatch(titleStyles, /white-space: nowrap;/);
 });
 
+test('项目预览任务统计使用闭合圆环，避免刷新箭头在小尺寸下变成毛刺', () => {
+    const source = functionSource(projects, 'ensureProjectFolderPreview', 'positionProjectFolderPreview');
+
+    assert.match(source, /class="project-folder-preview-stats"/);
+    assert.match(source, /<circle cx="12" cy="12" r="8" stroke="currentColor" stroke-width="1\.5"\/>/);
+    assert.doesNotMatch(source, /H21v5l-2-2/);
+    assert.match(styles, /\.project-folder-preview-stats svg \{\s*width: 16px;\s*height: 16px;\s*overflow: visible;/);
+});
+
 test('对话悬浮预览使用美化后的代理模式徽标', () => {
     const projects = fs.readFileSync('web/static/js/projects.js', 'utf8');
 

web/static/js/projects.js

@@ -2923,7 +2923,7 @@ function ensureProjectFolderPreview() {
             <span class="project-folder-preview-title"></span>
         </div>
         <div class="project-folder-preview-stats">
-            <svg width="17" height="17" viewBox="0 0 24 24" fill="none" aria-hidden="true"><path d="M21 12a8.5 8.5 0 0 1-9 8.48A8.5 8.5 0 1 1 20.48 11H21v5l-2-2" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" stroke-linejoin="round"/></svg>
+            <svg width="16" height="16" viewBox="0 0 24 24" fill="none" aria-hidden="true"><circle cx="12" cy="12" r="8" stroke="currentColor" stroke-width="1.5"/></svg>
             <span></span>
         </div>
         <div class="project-folder-preview-details">