feat: MileageModule Tab 切换 + DailyReportView 占位

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/modules/mileage/DailyReportView.tsx

@@ -0,0 +1,13 @@
+import { FileText } from 'lucide-react';
+
+export default function DailyReportView() {
+  return (
+    <div className="flex items-center justify-center py-20">
+      <div className="text-center">
+        <FileText size={48} className="mx-auto text-gray-300 mb-4" />
+        <h2 className="text-lg font-semibold text-gray-500">每日汇报</h2>
+        <p className="text-sm text-gray-400 mt-2">开发中...</p>
+      </div>
+    </div>
+  );
+}