Implement exit node check-in tracking and adjust logging for connection errors

server/routers/gerbil/getConfig.ts

@@ -10,6 +10,7 @@ import config from "@server/lib/config";
 import { fromError } from "zod-validation-error";
 import { getAllowedIps } from "../target/helpers";
 import { createExitNode } from "#dynamic/routers/gerbil/createExitNode";
+import { markExitNodeCheckedIn } from "@server/lib/exitNodes";
 
 // Define Zod schema for request validation
 const getConfigSchema = z.object({
@@ -65,6 +66,8 @@ export async function getConfig(
             );
         }
 
+        markExitNodeCheckedIn(exitNode.exitNodeId);
+
         const configResponse = await generateGerbilConfig(exitNode);
 
         logger.debug("Sending config: ", configResponse);