feat: integrate observability

packages/observability/src/notifications/gotify.ts

@@ -0,0 +1,56 @@
+import { NotificationOptions, NotificationService } from "./service";
+
+export interface GotifyConfig {
+  url: string;
+  token: string;
+  enabled: boolean;
+}
+
+/**
+ * Gotify Notification Service implementation.
+ */
+export class GotifyNotificationService implements NotificationService {
+  constructor(
+    private config: GotifyConfig,
+    private logger?: { error(msg: string, data?: any): void },
+  ) {}
+
+  async notify(options: NotificationOptions): Promise<void> {
+    if (!this.config.enabled) return;
+
+    try {
+      const { title, message, priority = 4 } = options;
+
+      // Ensure we have a trailing slash for base URL, then append 'message'
+      const baseUrl = this.config.url.endsWith("/")
+        ? this.config.url
+        : `${this.config.url}/`;
+      const url = new URL("message", baseUrl);
+      url.searchParams.set("token", this.config.token);
+
+      const response = await fetch(url.toString(), {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify({
+          title,
+          message,
+          priority,
+        }),
+      });
+
+      if (!response.ok) {
+        const errorText = await response.text();
+        this.logger?.error("Gotify notification failed", {
+          status: response.status,
+          error: errorText.slice(0, 100),
+        });
+      }
+    } catch (error) {
+      this.logger?.error("Gotify notification error", {
+        error: (error as Error).message,
+      });
+    }
+  }
+}