chore(deps): update backend digest to 52868fd

renovate[bot] · web-flow · commit e12dd97db6d4 · 2026-04-02T01:46:32.000Z
diff --git a/backend b/backend
@@ -1 +1 @@
-Subproject commit e653de414d0967a05cb71ec790b181553d6f84e9
+Subproject commit 52868fdde774fc40fa71bb5670c7415533fd21bd
