fix: memory improvements

- SQLite: enable WAL mode and PRAGMA performance settings

- ws.ts (public + private): fix clientConfigVersions memory leak

- internal server: add rate limiting and request timeouts

- audit log: fix flush re-queue feedback loop

- memory: add monitoring instrumentation

- security: remove debug log of full request body

server/routers/badger/exchangeSession.ts

@@ -41,7 +41,7 @@ export async function exchangeSession(
     res: Response,
     next: NextFunction
 ): Promise<any> {
-    logger.debug("Exchange session: Badger sent", req.body);
+    logger.debug("Exchange session: Badger request received");
 
     const parsedBody = exchangeSessionBodySchema.safeParse(req.body);