Add project management support and integrate customer-project functionality

internal_frontend/services/projects/dtos/create-project.dto.ts

@@ -0,0 +1,14 @@
+import {CustomerProjectStatus} from "@/services/projects/entities/customer-project";
+
+export interface ProjectNoteDto {
+    text: string;
+}
+
+export interface CreateCustomerProjectDto {
+    customerId: string; // Reference to the related customer
+    name: string; // Project name
+    description?: string; // Optional project description
+    status: CustomerProjectStatus; // Enum for project status
+    notes?: ProjectNoteDto[]; // Optional list of project notes
+    startDate?: string; // Project start date (optional)
+}

internal_frontend/services/projects/entities/customer-project.ts

@@ -0,0 +1,40 @@
+export enum CustomerProjectStatus {
+    PLANNED = 'PLANNED',
+    IN_PROGRESS = 'IN_PROGRESS',
+    COMPLETED = 'COMPLETED',
+    ON_HOLD = 'ON_HOLD',
+    CANCELLED = 'CANCELLED'
+}
+
+export interface CustomerProject {
+    id: string;
+    customerId: string;
+    name: string;
+    description: string;
+    status: CustomerProjectStatus;
+    notes?: {
+        text: string;
+        createdBy: number;
+        updatedBy: number;
+        createdAt: string;
+        updatedAt: string;
+    }[];
+    startDate: string;
+    endDate: string;
+    createdBy: number;
+    lastModifier: string;
+    updatedBy: number;
+    createdAt: string;
+    updatedAt: string;
+}
+
+export function getStatusText(status: CustomerProjectStatus): string {
+    const translations = {
+        [CustomerProjectStatus.PLANNED]: 'Geplant',
+        [CustomerProjectStatus.IN_PROGRESS]: 'In Bearbeitung',
+        [CustomerProjectStatus.COMPLETED]: 'Abgeschlossen',
+        [CustomerProjectStatus.ON_HOLD]: 'Pausiert',
+        [CustomerProjectStatus.CANCELLED]: 'Abgebrochen'
+    };
+    return translations[status];
+}