feat: Implement endpoint and service method for sending test push notifications.

src/notifications/notifications.service.ts

@@ -371,6 +371,36 @@ export class NotificationsService implements OnModuleInit {
     }
   }
 
+  // ==========================================
+  // TEST PUSH NOTIFICATION
+  // ==========================================
+
+  async sendTestPushNotification(userId: string): Promise<void> {
+    const user = await this.prisma.user.findUnique({
+      where: { id: userId },
+      select: { fcmTokens: true },
+    });
+
+    if (!user) {
+      this.logger.warn(`Test push: user ${userId} not found`);
+      return;
+    }
+
+    const tokens = this.parseFcmTokens(user.fcmTokens);
+    if (tokens.length === 0) {
+      this.logger.warn(`Test push: no FCM tokens for user ${userId}`);
+      return;
+    }
+
+    await this.sendPushNotification(userId, user, {
+      title: 'Test Notification 🔔',
+      body: 'This is a test push notification from RE-Quest!',
+      data: { type: 'test', link: '/' },
+    });
+
+    this.logger.log(`Test push notification sent to user ${userId}`);
+  }
+
   // ==========================================
   // EVENT LISTENERS
   // ==========================================