Feat/notifications alerts (#52)

* feat: notifications backend & creation

* feat: assign notification to backup schedule

* refactor: status dot one component

* chore(notification-details): remove refetchInterval

app/server/utils/shoutrrr.ts

@@ -0,0 +1,43 @@
+import { safeSpawn } from "./spawn";
+import { logger } from "./logger";
+import { toMessage } from "./errors";
+
+export interface SendNotificationParams {
+	shoutrrrUrl: string;
+	title: string;
+	body: string;
+}
+
+export async function sendNotification(params: SendNotificationParams) {
+	const { shoutrrrUrl, title, body } = params;
+
+	try {
+		const args = ["send", "--url", shoutrrrUrl, "--title", title, "--message", body];
+
+		logger.debug(`Sending notification via Shoutrrr: ${title}`);
+
+		const result = await safeSpawn({
+			command: "shoutrrr",
+			args,
+		});
+
+		if (result.exitCode === 0) {
+			logger.debug(`Notification sent successfully: ${title}`);
+			return { success: true };
+		}
+
+		const errorMessage = result.stderr || result.stdout || "Unknown error";
+		logger.error(`Failed to send notification: ${errorMessage}`);
+		return {
+			success: false,
+			error: errorMessage,
+		};
+	} catch (error) {
+		const errorMessage = toMessage(error);
+		logger.error(`Error sending notification: ${errorMessage}`);
+		return {
+			success: false,
+			error: errorMessage,
+		};
+	}
+}