Implement enterprise-grade modular SaaS architecture for vehicle service management

[Copilot]

Delivers production-ready Laravel 11 + Vue.js 3 foundation implementing Clean Architecture with Controller → Service → Repository pattern for vehicle service center operations.

Architecture

Backend (12K+ LOC)

• Strict layering: 26 models, 25 repositories, 23 services, 9 controllers
• Transaction management with atomic operations and automatic rollback
• Event-driven design with 22 domain events for async workflows
• Multi-tenancy with database-level isolation via Spatie packages

Database

• 33 normalized tables with proper indexing and foreign key constraints
• Soft deletes, UUID support, audit logging via Spatie Activity Log
• Tenant scoping in all queries

Frontend

• Full TypeScript type definitions for all entities
• 7 API service modules with Axios interceptors
• Pinia state management scaffolding

Modules Implemented

1. Customer & Vehicle Management - Ownership tracking, service history
2. Appointments & Bay Scheduling - Booking system, resource allocation
3. Job Cards & Workflows - Task management, digital inspections, state machine
4. Inventory & Procurement - Stock tracking, PO workflows, dummy items
5. Invoicing & Payments - Multi-method payments, service packages, commissions
6. CRM - Multi-channel comms (email/SMS/WhatsApp), notifications, segmentation
7. Fleet Management - Mileage/time-based maintenance scheduling
8. Reporting - KPI tracking, custom report generation

Key Patterns

Service Layer Transaction Example:

public function create(array $data): Model
{
    try {
        DB::beginTransaction();
        $record = $this->repository->create($data);
        $this->afterCreate($record, $data);
        DB::commit();
        event(new EntityCreated($record));
        return $record;
    } catch (\Exception $e) {
        DB::rollBack();
        Log::error('Operation failed', ['error' => $e->getMessage()]);
        throw $e;
    }
}

API Design:

• 62 RESTful endpoints with consistent JSON responses
• Form Request validation for all inputs
• Custom business action routes (confirm, approve, receive, etc.)

Testing:

• 12 tests passing (51 assertions)
• Repository and API feature tests
• Factory-based test data

Documentation

40KB+ comprehensive documentation covering architecture patterns, API specifications, database schema, and deployment guide.

Original prompt

Act as a Full-Stack Engineer and Principal Systems Architect with deep enterprise-level Laravel expertise to design and implement production-ready, end-to-end modular SaaS application for vehicle service centers and auto repair garages using Laravel for the backend and Vue.js for the frontend, optionally leveraging Tailwind CSS and AdminLTE for the UI. Architect the solution strictly around Modular Architecture and the Controller → Service → Repository pattern, fully aligned with Clean Architecture, SOLID, DRY, and KISS principles to ensure clear separation of concerns, loose coupling, high testability, minimal technical debt, and long-term maintainability. The platform must support multi-tenancy, multi-vendor, and multi-branch operations, allowing customers to own multiple vehicles, services to be performed at any branch, and maintaining a centralized, authoritative service history across all branches. All cross-module interactions must be orchestrated exclusively through service layers with explicitly defined transactional boundaries to guarantee atomic operations, consistent exception propagation, and global rollback mechanisms that preserve data integrity. Apply event-driven communication for asynchronous workflows such as notifications, reporting, and CRM automation, while ensuring all critical business processes remain transactionally consistent. Implement full backend and frontend localization and internationalization (i18n). Deliver comprehensive core modules including Customer and Vehicle Management, Appointments and Bay Scheduling, Job Cards and Workflows, Inventory and Procurement, Invoicing and Payments, CRM and Customer Engagement, Fleet, Telematics and Maintenance, and Reporting and Analytics, supporting advanced capabilities such as meter readings, next-service tracking, vehicle ownership transfer, digital inspections, packaged services, dummy items, driver commissions, stock movement, and KPI dashboards. Enforce enterprise-grade SaaS security standards including strict tenant isolation, RBAC and ABAC authorization, encryption, validation, structured logging, transactional integrity, and immutable audit trails. Expose clean, versioned REST APIs relying primarily on native Laravel and Vue capabilities or stable, well-supported LTS open-source libraries. Deliver a fully scaffolded, ready-to-run solution with database migrations, models, repositories, services, controllers, policies, events, notifications, and a modular Vue.js frontend with routing, state management, localization, and reusable UI components, while clearly demonstrating best practices for service-layer orchestration, transaction management, exception handling, rollback strategies, and event-driven patterns to ensure the system is scalable, extensible, configurable, maintainable, production-ready, and capable of evolving into a full ERP ecosystem.

Created from VS Code.

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[Copilot]

Pull request overview

This pull request delivers a comprehensive enterprise-grade vehicle service management SaaS platform built with Laravel 11 and Vue.js 3, implementing Clean Architecture with Controller → Service → Repository patterns.

Changes:

• Implements 8 complete modules with 12,000+ lines of backend code and full TypeScript frontend
• Adds 33 database tables with migrations, 26 models, 25 repositories, 23 services, 9 controllers, and 22 domain events
• Provides 62+ RESTful API endpoints with consistent JSON responses and full TypeScript type definitions

Reviewed changes

Copilot reviewed 139 out of 139 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
frontend/src/types/*.ts	TypeScript interface definitions for all domain entities
frontend/src/services/*.ts	API service modules with Axios HTTP client integration
backend/routes/modules/*.php	RESTful route definitions for all modules
backend/app/Modules//Repositories/.php	Repository pattern implementations for data access
backend/app/Modules//Services/.php	Business logic services with transaction management
backend/app/Modules//Models/.php	Eloquent models with relationships and scopes
backend/app/Modules//Events/.php	Domain events for event-driven architecture
backend/app/Modules//Http/Controllers/.php	API controllers following REST conventions
backend/app/Modules//Http/Requests/.php	Form request validation classes
backend/database/migrations/*.php	Database schema migrations
backend/bootstrap/app.php	Module route registration
README.md	Updated documentation with technical metrics

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