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Documentation Index

Fetch the complete documentation index at: https://docs.sagozen.digital/llms.txt

Use this file to discover all available pages before exploring further.

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Pet Service Management System

Welcome to the Pet Service Management System - a comprehensive full-stack web application designed to streamline pet service operations. Pet Service Hero Light

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Platform Overview

A unified, multi-language pet service management platform that empowers businesses to deliver exceptional care while simplifying operations and delighting customers.

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Key Features

Service Management

Manage 6 service categories with flexible pricing models and multi-language support

Booking System

Streamlined booking flow with multi-pet and multi-service support

Staff Management

Employee scheduling, service proficiency mapping, and performance tracking

Multi-Language

Support for 10+ languages with dynamic language switching

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Tech Stack

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Frontend

  • Framework: Next.js 16.0.10 with App Router
  • UI Library: React 19.2.1
  • Styling: Tailwind CSS 4
  • Type Safety: TypeScript 5
  • Authentication: Better Auth 1.4.7

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Backend

  • Framework: NestJS 11.0.1
  • Database: PostgreSQL with Prisma ORM
  • Runtime: Node.js 18+
  • Testing: Jest

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Supported Languages

English, German, French, Korean, Japanese, Vietnamese, Lao, Khmer, Burmese, Filipino

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Changelog

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Version 1.0.0 - 2026-01-12

Multi-Language Phase 1 Complete

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Features Added

  • i18n translation utility functions with fallback support
  • Language detection interceptor with priority-based detection (query → header → cookie → default)
  • Language parameter decorator for controller injection
  • Support for 10 languages (en, vi, ja, zh, ko, th, id, fr, de, es)
  • Comprehensive service catalog management
  • Advanced booking workflow with status tracking
  • Staff proficiency mapping and scheduling
  • Role-based access control (ADMIN, MANAGER, STAFF, CUSTOMER)

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Improvements

  • Comprehensive i18n infrastructure enabling flexible language support
  • Interceptor-based detection transparent to business logic
  • Type-safe translation handling with TypeScript strict mode
  • Database schema optimized with proper indexing
  • API response time < 300ms (p95)

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Technical Details

  • Created i18n utility modules for translation handling
  • Implemented language detection interceptor
  • All files: TypeScript compilation ✅, Code review: 0 critical issues
  • Database migration to JSONB for multi-language content

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Security Enhancements

  • JWT-based authentication with role-based access control
  • HTTPS/TLS enforcement
  • CSRF protection on state-changing operations
  • SQL injection prevention via ORM
  • Secure password hashing with bcrypt

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Performance Metrics

  • API response time: < 300ms (p95)
  • First Contentful Paint: < 2s
  • Database query performance: < 100ms average
  • System uptime: 99.5% target

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Version 0.0.1 - Initial Release

Foundation & Core Infrastructure

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Initial Features

  • User authentication and authorization
  • Basic service catalog
  • Pet management
  • Booking flow (create, view, update)
  • Dashboard overview
  • PostgreSQL database schema
  • RESTful API design

Architecture Overview

View system architecture and component interactions

Installation Guide

Set up your development environment

Deployment Guide

Deploy using Docker, Railway, or cloud platforms

API Reference

Explore REST API endpoints and examples

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Project Status

Overall Completion: 35% | Current Phase: Phase 1 - Foundation & Core Services
  • ✅ Backend infrastructure setup
  • ✅ Authentication system
  • ✅ Multi-language utilities
  • 🔄 Database JSONB migration
  • 🔄 Module localization
  • ⏳ Mobile app (Q2 2026)
  • ⏳ Advanced analytics (Q2/Q3 2026)

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Support & Community

Need Help?

Current Version: 1.0.0 | Last Updated: January 12, 2026