refactoring and clean up

packages/shared/src/utils.js

@@ -0,0 +1,13 @@
+function parseRow(row) {
+    if (!row) return null;
+    return {
+        ...row,
+        metadata: row.metadata ? JSON.parse(row.metadata) : null
+    };
+}
+
+function formatEpisodeText(userMessage, aiResponse) {
+    return `User: ${userMessage}\nAssistant: ${aiResponse}`;
+}
+
+module.exports = { parseRow, formatEpisodeText };