Handle compression of ai session logs

server/lib/textCompression.ts

@@ -0,0 +1,15 @@
+import { gzipSync, gunzipSync } from "zlib";
+
+/**
+ * Gzip a string and return it as base64 so it can be stored in a TEXT column.
+ */
+export function compressText(value: string): string {
+    return gzipSync(Buffer.from(value, "utf8")).toString("base64");
+}
+
+/**
+ * Reverse of compressText - base64-decode and gunzip back to the original string.
+ */
+export function decompressText(value: string): string {
+    return gunzipSync(Buffer.from(value, "base64")).toString("utf8");
+}