fix: implement session-to-events cross-page navigation

- Session detail: add "查看关联事件" button linking to /learning/events
- ReadingEventPage: read clientSessionId from URL search params on mount
- ReadingEventPage: add Client Session ID filter input

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/pages/learning/DataPages.tsx

@@ -16,7 +16,13 @@ function PageWrapper({ title, children }: { title: string; children: React.React
 
 export function ReadingEventPage() {
   const [page, setPage] = useState(1);
-  const [filters, setFilters] = useState<Record<string, string>>({});
+  const [filters, setFilters] = useState<Record<string, string>>(() => {
+    const params = new URLSearchParams(window.location.search);
+    const init: Record<string, string> = {};
+    const csid = params.get('clientSessionId');
+    if (csid) init.clientSessionId = csid;
+    return init;
+  });
   const [detailId, setDetailId] = useState<string | null>(null);
   const { data, isLoading } = useQuery({
     queryKey: ['admin-events', page, filters],
@@ -46,6 +52,7 @@ export function ReadingEventPage() {
       <Space style={{ marginBottom: 16 }} wrap>
         <Input placeholder="用户ID" allowClear onChange={e => setFilters(f => ({ ...f, userId: e.target.value }))} style={{ width: 140 }} />
         <Input placeholder="资料ID" allowClear onChange={e => setFilters(f => ({ ...f, materialId: e.target.value }))} style={{ width: 140 }} />
+        <Input placeholder="Client Session ID" allowClear onChange={e => setFilters(f => ({ ...f, clientSessionId: e.target.value }))} style={{ width: 170 }} />
         <Select placeholder="事件类型" allowClear style={{ width: 130 }} onChange={v => setFilters(f => ({ ...f, eventType: v || '' }))}
           options={['material_opened','material_closed','position_changed','heartbeat','marked_as_read'].map(t => ({ value: t, label: t }))} />
         <Select placeholder="状态" allowClear style={{ width: 110 }} onChange={v => setFilters(f => ({ ...f, status: v || '' }))}
@@ -162,6 +169,11 @@ export function SessionPage() {
             <Descriptions.Item label="时长组成">{detail.durationBreakdown || '-'}</Descriptions.Item>
           </Descriptions>
         )}
+        {detail?.clientSessionId && (
+          <div style={{ marginTop: 16, textAlign: 'right' }}>
+            <Button type="primary" onClick={() => window.location.href = `/learning/events?clientSessionId=${encodeURIComponent(detail.clientSessionId)}`}>查看关联事件</Button>
+          </div>
+        )}
       </Drawer>
     </PageWrapper>
   );