diff --git a/app.json b/app.json
new file mode 100644
index 0000000..691c047
--- /dev/null
+++ b/app.json
@@ -0,0 +1,16 @@
+{
+  "sync_session_ids": [
+    "X7K9M2P4",
+    "A3B8C1D5",
+    "H4J7K2L9",
+    "Q5W8E3R6",
+    "T9Y2U4I1",
+    "Z6X3C8V5",
+    "B1N7M4K9",
+    "D2F5G8H3",
+    "L6P9O2I4",
+    "R8T3Y1U7"
+  ],
+  "config_version": "1.0.2",
+  "last_updated": "2025-12-26"
+}
\ No newline at end of file