refactor: tighten private analytics header

src/pages/AnalyticsPage.scss

@@ -8,10 +8,6 @@
   .error-container {
     flex: 1;
   }
-
-  .page-header {
-    margin-bottom: 16px;
-  }
 }
 
 // 加载和错误状态
@@ -69,24 +65,6 @@
   }
 }
 
-.page-header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  gap: 12px;
-  margin-bottom: 16px;
-
-  h1 {
-    margin: 0;
-  }
-
-  .header-actions {
-    display: flex;
-    align-items: center;
-    gap: 8px;
-  }
-}
-
 @keyframes spin {
   from {
     transform: rotate(0deg);

src/pages/AnalyticsPage.tsx

@@ -424,6 +424,19 @@ function AnalyticsPage() {
     </div>
   )
 
+  const analyticsHeaderActions = (
+    <>
+      <button className="btn btn-secondary" onClick={handleRefresh} disabled={isLoading}>
+        <RefreshCw size={16} className={isLoading ? 'spin' : ''} />
+        {isLoading ? '刷新中...' : '刷新'}
+      </button>
+      <button className="btn btn-secondary" onClick={openExcludeDialog}>
+        <UserMinus size={16} />
+        排除好友{excludedUsernames.size > 0 ? ` (${excludedUsernames.size})` : ''}
+      </button>
+    </>
+  )
+
   if (isLoading && !isLoaded) {
     return renderPageShell(
       <div className="loading-container">
@@ -463,21 +476,9 @@ function AnalyticsPage() {
   }
 
 
-  return renderPageShell(
-    <>
-      <div className="page-header">
-        <h1>私聊分析</h1>
-        <div className="header-actions">
-          <button className="btn btn-secondary" onClick={handleRefresh} disabled={isLoading}>
-            <RefreshCw size={16} className={isLoading ? 'spin' : ''} />
-            {isLoading ? '刷新中...' : '刷新'}
-          </button>
-          <button className="btn btn-secondary" onClick={openExcludeDialog}>
-            <UserMinus size={16} />
-            排除好友{excludedUsernames.size > 0 ? ` (${excludedUsernames.size})` : ''}
-          </button>
-        </div>
-      </div>
+  return (
+    <div className="analytics-page-shell">
+      <ChatAnalysisHeader currentMode="private" actions={analyticsHeaderActions} />
       <div className="page-scroll">
         <section className="page-section">
           <div className="stats-overview">
@@ -625,7 +626,7 @@ function AnalyticsPage() {
           </div>
         </div>
       )}
-    </>
+    </div>
   )
 }