Feat: Run incremental_vacuum and optimize

server/jobs/clear-old-data.js

@@ -39,6 +39,8 @@ const clearOldData = async () => {
                 "DELETE FROM heartbeat WHERE time < DATETIME('now', '-' || ? || ' days') ",
                 [ parsedPeriod ]
             );
+
+            await R.exec("PRAGMA optimize;");
         } catch (e) {
             log.error("clearOldData", `Failed to clear old data: ${e.message}`);
         }