feat(backend): Webhooks mit HMAC-signierter Auslieferung (Modul 28)

WebhooksModule (WebhookSubscription: URL, Events, Secret, aktiv) mit
Event-Dispatcher, angehaengt an 10 Ereignisse in 8 bestehenden Services
(colony.created, inspection.created, queen.created, queen.replaced,
harvest.created, batch.created, batch.updated, product.stock_changed,
task.created, task.completed). Auslieferung ist best-effort und blockiert
die ausloesende Anfrage nicht bei Fehlern.

ApiCore-Backend/src/storage/storage.service.spec.ts

@@ -2,6 +2,7 @@ import { NotFoundException } from '@nestjs/common';
 import { StorageService } from './storage.service';
 import { PrismaService } from '../prisma/prisma.service';
 import { AuditLogService } from '../audit/audit-log.service';
+import { WebhooksService } from '../webhooks/webhooks.service';
 
 describe('StorageService', () => {
   let service: StorageService;
@@ -45,9 +46,11 @@ describe('StorageService', () => {
       ),
     };
     auditLog = { record: jest.fn() };
+    const webhooks = { dispatch: jest.fn().mockResolvedValue(undefined) };
     service = new StorageService(
       prisma as unknown as PrismaService,
       auditLog as unknown as AuditLogService,
+      webhooks as unknown as WebhooksService,
     );
   });
 

ApiCore-Backend/src/storage/storage.service.ts

@@ -1,6 +1,7 @@
 import { Injectable, NotFoundException } from '@nestjs/common';
 import { PrismaService } from '../prisma/prisma.service';
 import { AuditLogService } from '../audit/audit-log.service';
+import { WebhooksService } from '../webhooks/webhooks.service';
 import { StockItem, StorageContainer } from '../../generated/prisma';
 import { CreateStorageContainerDto } from './dto/create-storage-container.dto';
 import { CreateStockItemDto } from './dto/create-stock-item.dto';
@@ -11,6 +12,7 @@ export class StorageService {
   constructor(
     private readonly prisma: PrismaService,
     private readonly auditLog: AuditLogService,
+    private readonly webhooks: WebhooksService,
   ) {}
 
   async findAllContainers(): Promise<StorageContainer[]> {
@@ -96,6 +98,8 @@ export class StorageService {
       userId: actingUserId,
       afterData: movement,
     });
-    return this.findStockItemById(id);
+    const stockItem = await this.findStockItemById(id);
+    await this.webhooks.dispatch('product.stock_changed', stockItem);
+    return stockItem;
   }
 }