System Requirements Document (SRD) for heroic-app

1. Introduction

The heroic-app is a user-facing shopping application designed to provide a seamless and engaging e-commerce experience. Developed for users in India, the app aims to cater to a variety of shopping needs, offering a platform for browsing, purchasing, and managing orders efficiently. This document outlines the system requirements for the development and deployment of the heroic-app.

2. System Overview

The heroic-app is envisioned as a comprehensive shopping platform that allows users to explore a wide range of products, add items to their cart, make secure payments, and track their orders. The app will focus on delivering a user-friendly interface, fast performance, and robust security to ensure a delightful shopping experience.

The app will be designed to support both web and mobile platforms, leveraging modern technologies to provide a responsive and intuitive user experience. Localization features, such as support for INR currency and IST timezone, will be integrated to cater to the Indian market.

3. Functional Requirements

User Stories:

• As a User, I should be able to browse products by category.
• As a User, I should be able to search for products using keywords.
• As a User, I should be able to view detailed product descriptions, images, and reviews.
• As a User, I should be able to add products to my cart.
• As a User, I should be able to remove products from my cart.
• As a User, I should be able to view my cart and proceed to checkout.
• As a User, I should be able to make secure payments using multiple payment methods (e.g., UPI, credit/debit cards, net banking).
• As a User, I should be able to track my orders in real-time.
• As a User, I should be able to manage my profile, including updating my address and contact details.
• As a User, I should be able to view my order history.
• As a User, I should be able to receive notifications about order updates and promotions.

4. User Personas

1. Regular User

• Description: A customer who uses the app to browse and purchase products.
• Goals: Find desired products quickly, make secure purchases, and track orders efficiently.
• Pain Points: Slow loading times, lack of product variety, and complicated checkout processes.

2. Admin

• Description: A backend administrator responsible for managing the app's product catalog, user accounts, and orders.
• Goals: Ensure smooth operations, manage inventory, and address user issues.
• Pain Points: Difficulty in managing large datasets and lack of real-time analytics.

5. Visuals Colors and Theme

Color Palette:

• Background: #F5F5F5 (Soft Light Gray)
• Surface: #FFFFFF (Pure White)
• Text: #333333 (Dark Charcoal)
• Accent: #FF5722 (Vibrant Orange)
• Muted Tones: #BDBDBD (Muted Gray)

Theme:

The heroic-app will adopt a modern and minimalistic design with vibrant accents to highlight key actions (e.g., "Add to Cart" and "Checkout"). The color palette is chosen to ensure readability and visual appeal, with a focus on creating a clean and professional shopping experience.

6. Signature Design Concept

The heroic-app will feature a "Dynamic Product Showcase" on the homepage. This interactive design will include:

• 3D Rotating Product Carousel: Users will see a 3D carousel of featured products that rotates as they swipe or scroll. Each product card will expand slightly when hovered over, revealing more details like price and a "Quick Add to Cart" button.
• Animated Transitions: Smooth animations will guide users as they navigate between sections, such as sliding panels for categories and fade-ins for product details.
• Personalized Greeting Section: The homepage will greet users with their name (e.g., "Welcome back, Harsh!") and suggest products based on their browsing history.
• Live Promotions Banner: A dynamic banner at the top of the page will display live promotions and discounts, with subtle animations to draw attention.

This design will create an engaging and memorable first impression, encouraging users to explore the app further.

7. Non-Functional Requirements

• Performance: The app should load within 2 seconds on both web and mobile platforms.
• Scalability: The system should support up to 1 million concurrent users.
• Security: Implement secure payment gateways and encrypt sensitive user data.
• Availability: Ensure 99.9% uptime with robust server infrastructure.
• Localization: Support INR currency and IST timezone.

8. Tech Stack

Frontend:

• React for Web
• React Native for Mobile App

Backend:

• Python
• FastAPI

Database:

• MySQL (with Alembic for migrations)

AI Models:

• GPT 5.4 for user-friendly responses
• Claude 4.6 Opas for coding-related queries

AI Tools:

• Litellm for LLM Routing
• Langchain

Orchestration:

• Docker for local development
• Kubernetes for server-side orchestration

9. Assumptions and Constraints

• The app will primarily target users in India.
• Payment methods will include UPI, credit/debit cards, and net banking.
• The app will support both Android and iOS platforms.
• Internet connectivity is required for all functionalities.

10. Glossary

• IST: Indian Standard Time
• INR: Indian Rupee
• UPI: Unified Payments Interface
• LLM: Large Language Model
• RDBMS: Relational Database Management System
• NoSQL: Non-Relational Database Management System
• VectorDB: Database optimized for vector-based data storage and retrieval