Revert "Revert "Root encrypted data to kms encryption""

backend/src/db/migrations/utils/ring-buffer.ts

@@ -0,0 +1,19 @@
+export const createCircularCache = <T>(bufferSize = 10) => {
+  const bufferItems: { id: string; item: T }[] = [];
+  let bufferIndex = 0;
+
+  const push = (id: string, item: T) => {
+    if (bufferItems.length < bufferSize) {
+      bufferItems.push({ id, item });
+    } else {
+      bufferItems[bufferIndex] = { id, item };
+    }
+    bufferIndex = (bufferIndex + 1) % bufferSize;
+  };
+
+  const getItem = (id: string) => {
+    return bufferItems.find((i) => i.id === id)?.item;
+  };
+
+  return { push, getItem };
+};