implement recovery from changed token

use exponential backoff for token retrieval

src/clients/nano-kvm/nano-kvm.service.ts

@@ -1,4 +1,5 @@
-import type z from "zod";
+import z from "zod";
+import { logger } from "@/logger";
 import { NanoKVMClient } from "./nano-kvm-client";
 import {
 	type GpioSchema,
@@ -26,7 +27,20 @@ export class NanoKVMService {
 	async getInfo(): Promise<z.output<typeof InfoSchema>> {
 		const data = await (await this.client.fetch("/api/vm/info", "GET")).json();
 
-		return InfoSuccess.parse(data).data;
+		const result = InfoSuccess.safeParse(data);
+
+		if (!result.success) {
+			logger.error(data);
+			logger.fatal(`Failed getting info: `, z.prettifyError(result.error));
+
+			if (data === "unauthorized") {
+				await this.client.initAuth();
+			}
+
+			throw result.error;
+		}
+
+		return result.data.data;
 	}
 
 	async getGpio(): Promise<z.output<typeof GpioSchema>> {
@@ -34,7 +48,20 @@ export class NanoKVMService {
 
 		const data = await response.json();
 
-		return GpioSuccess.parse(data).data;
+		const result = GpioSuccess.safeParse(data);
+
+		if (!result.success) {
+			logger.error(data);
+			logger.fatal(`Failed getting gpio: `, z.prettifyError(result.error));
+
+			if (data === "unauthorized") {
+				await this.client.initAuth();
+			}
+
+			throw result.error;
+		}
+
+		return result.data.data;
 	}
 
 	async triggerPower(input: z.input<typeof TriggerPowerInput>) {