System Requirements Document (SRD) for Project: Lunar-Happy

1. Introduction

The Lunar-Happy project is a vibrant and user-friendly application designed to simplify and enhance birthday celebrations. This platform will cater to individuals planning their own birthdays, as well as event organizers managing parties for others. The app will incorporate features for event planning, photo galleries, invitations, and more, creating a seamless and joyful experience for users.

2. System Overview

The Lunar-Happy application will provide a centralized platform for planning, organizing, and sharing birthday celebrations. It will include tools for creating event schedules, sending digital invitations, managing guest lists, and sharing photos and memories. The app will also feature customizable themes and templates to match the celebratory mood, inspired by the vibrant and festive design reference provided by the user.

3. Functional Requirements

• As a User, I should be able to create a birthday event with details such as date, time, location, and theme.
• As a User, I should be able to send digital invitations to guests via email or messaging platforms.
• As a User, I should be able to manage a guest list, including RSVPs and special notes for each guest.
• As a User, I should be able to upload and share photos from the event in a dedicated gallery.
• As a User, I should be able to choose from pre-designed themes and templates for invitations and event pages.
• As a User, I should be able to receive reminders and notifications for upcoming events.
• As an Admin, I should be able to manage user accounts and monitor app usage.
• As an Admin, I should be able to approve or reject API requests for additional features.

4. User Personas

4.1 Individual Users

• Description: Individuals planning their own birthday celebrations or those of family and friends.
• Goals: Simplify event planning, create personalized invitations, and share memories.

4.2 Event Organizers

• Description: Professionals or businesses managing birthday events for clients.
• Goals: Efficiently manage multiple events, customize themes, and ensure seamless communication with clients.

4.3 Admins

• Description: Platform administrators responsible for maintaining the app and approving API requests.
• Goals: Ensure smooth operation, manage user accounts, and oversee feature requests.

5. Visuals Colors and Theme

Inspired by the provided reference image, the Lunar-Happy app will feature a vibrant and festive color palette:

• Background: #F8F3F9 (soft lavender)
• Surface: #FFFFFF (pure white)
• Text: #333333 (dark charcoal)
• Accent: #FF69B4 (hot pink)
• Muted Tones: #D8BFD8 (thistle)

The design will incorporate floral and celebratory elements, with a focus on elegance and festivity.

6. Signature Design Concept

The Lunar-Happy homepage will feature an interactive floral archway inspired by the reference image. Users will enter the app through a virtual arch adorned with animated flowers that bloom as they hover over them. The arch will serve as a navigation hub, with each flower representing a key feature (e.g., "Create Event," "Send Invitations," "View Gallery"). The background will feature soft, flowing drapes in pastel colors, creating a dynamic and immersive experience. Subtle animations, such as falling petals and glowing accents, will enhance the celebratory atmosphere.

7. Non-Functional Requirements

• The app must support high performance, with a response time of less than 2 seconds for all user actions.
• The app must be compatible with both iOS and Android platforms.
• The system must ensure data security and comply with GDPR regulations.
• The app must support multiple languages, including English and Arabic, to cater to the AE region.

8. Tech Stack

• Frontend: React for Web, React Native for mobile app
• Backend: Python, FastAPI
• Database RDBMS: MySQL with Alembic for migrations
• AI Models: GPT 5.2 for user-friendly responses
• AI Tools: Langchain, Litellm for LLM routing
• Local Orchestration: Docker, docker-compose
• Server-Side Orchestration: Kubernetes

9. Assumptions and Constraints

• The app will primarily target users in the AE region, with support for local languages and cultural preferences.
• The app will require internet connectivity for most features, including event creation and photo sharing.
• The app will be optimized for mobile devices but will also support a web version.

10. Glossary

• API: Application Programming Interface
• RSVP: Répondez s'il vous plaît (Please respond)
• GDPR: General Data Protection Regulation
• LLM: Large Language Model