diff --git a/scenario.md b/scenario.md
index bfe8fed..b0044e7 100644
--- a/scenario.md
+++ b/scenario.md
@@ -114,3 +114,6 @@
 - [ ]  **Separation:** Controllers are separate from Routes.
 - [ ]  **Security:** "Dependents" can only be viewed by their own Parent (Middleware check).
 - [ ]  **Validation:** Inputs are validated (e.g., cannot book a date in the past).
+
+
+coparent share enabled
diff --git a/vaxtrack-backend b/vaxtrack-backend
new file mode 160000
index 0000000..bfc6f9f
--- /dev/null
+++ b/vaxtrack-backend
@@ -0,0 +1 @@
+Subproject commit bfc6f9fb79557de50aef63770b642c95082c8065