修复审批详情报销入口（07-27-yang-jun-reimbursement-readiness）

client/src/pages/MobileApprovalsPage.tsx

@@ -1177,8 +1177,19 @@ export function MobileApprovalsPage() {
                 ) : null}
               </div>
               {selectedTask.reimbursement ? (
-                <div className="mt-3 rounded-lg bg-zinc-50 px-3 py-2 text-xs text-zinc-600">
-                  {joinBusinessMeta([`报销日期：${selectedTask.reimbursement.reimbursementDate ?? "-"}`, selectedTask.reimbursement.description])}
+                <div className="mt-3 space-y-3">
+                  <div className="rounded-lg bg-zinc-50 px-3 py-2 text-xs text-zinc-600">
+                    {joinBusinessMeta([`报销日期：${selectedTask.reimbursement.reimbursementDate ?? "-"}`, selectedTask.reimbursement.description])}
+                  </div>
+                  <Button asChild className="w-full" variant="secondary">
+                    <Link
+                      data-testid="mobile-approval-reimbursement-detail-link"
+                      state={{ from: currentMobileSource }}
+                      to={`/mobile/reimbursements/${encodeURIComponent(selectedTask.reimbursement.id)}`}
+                    >
+                      查看完整报销单
+                    </Link>
+                  </Button>
                 </div>
               ) : null}
               {selectedTask.leaveRequest ? (

client/src/pages/WorkflowTaskDetailPage.tsx

@@ -398,6 +398,17 @@ export function WorkflowTaskDetailPage() {
                   </>
                 ) : null}
               </dl>
+
+              {detail.reimbursement ? (
+                <Button asChild variant="secondary">
+                  <Link
+                    data-testid="workflow-task-reimbursement-detail-link"
+                    to={`/reimbursements/${encodeURIComponent(detail.reimbursement.id)}`}
+                  >
+                    查看报销单
+                  </Link>
+                </Button>
+              ) : null}
             </div>
           </SectionPanel>