System Requirements Document (SRD) for brave-store

1. Introduction

Welcome to the System Requirements Document (SRD) for brave-store, a grocery store application envisioned by Rahim Naaz from Pakistan. This document outlines the requirements, design concepts, and technical specifications for the brave-store project. The goal is to create a user-friendly, efficient, and visually appealing platform tailored to the needs of grocery shoppers in Pakistan, with features that simplify daily shopping and enhance the overall experience.

2. System Overview

brave-store is a grocery store application designed to provide users with a seamless shopping experience. The platform will allow users to browse grocery items, schedule deliveries, access discounts, and participate in a loyalty program. The system will cater to multiple user personas, including regular customers, guests, and administrators, ensuring a robust and scalable solution.

The application will be localized for the Pakistani market, incorporating PKR as the default currency, Urdu and English language options, and timezone settings based on PKT (Pakistan Standard Time). The system will leverage modern technologies to ensure high performance, security, and scalability.

3. Functional Requirements

Story Points:

• As a User, I should be able to browse grocery items by category.
• As a User, I should be able to search for specific grocery items.
• As a User, I should be able to add items to a shopping cart.
• As a User, I should be able to schedule delivery for my groceries.
• As a User, I should be able to view and apply discounts or promotional codes.
• As a User, I should be able to participate in a loyalty program to earn rewards.
• As an Admin, I should be able to manage inventory (add, update, delete items).
• As an Admin, I should be able to view sales analytics and reports.
• As a Guest, I should be able to browse grocery items without logging in.
• As a Guest, I should be prompted to create an account or log in to make purchases.

4. User Personas

1. User

• Regular shoppers who create accounts to access personalized features like delivery scheduling, loyalty programs, and discounts.
• Needs: Convenience, affordability, and a seamless shopping experience.

2. Admin

• Store managers responsible for inventory management, sales tracking, and promotional campaigns.
• Needs: Efficient tools for managing the store and analyzing performance.

3. Guest

• Visitors who browse the store without creating an account.
• Needs: Quick access to product information and a prompt to register for additional features.

5. Visuals Colors and Theme

Color Palette:

• Background: #F9F5F0 (Soft Cream)
• Surface: #FFFFFF (Pure White)
• Text: #333333 (Charcoal Black)
• Accent: #FF6F61 (Warm Coral)
• Muted Tones: #B0BEC5 (Cool Gray)

This palette reflects a clean and inviting aesthetic, suitable for a grocery store app. The warm coral accent adds vibrancy, while the muted tones provide balance.

6. Signature Design Concept

Interactive Grocery Shelves

The homepage of brave-store will feature a visually stunning and interactive design resembling a virtual grocery store aisle. Users will see 3D-rendered shelves stocked with grocery items. As they hover over an item, it will "pop out" slightly with a subtle animation, displaying key details like price, weight, and availability.

Key features:

• Dynamic Animations: Items on the shelves will gently sway or rotate when hovered over, creating a tactile and engaging experience.
• Category Navigation: Users can swipe or scroll horizontally to navigate different aisles (e.g., Fruits & Vegetables, Dairy, Snacks).
• Personalized Recommendations: A floating "smart assistant" icon will display recommended items based on user preferences.
• Ambient Sounds: Soft background sounds of a bustling grocery store will play, enhancing immersion.
• Color Transitions: The background color will subtly shift based on the time of day (e.g., warm tones in the morning, cooler tones in the evening).

This design concept ensures that the brave-store app leaves a lasting impression and makes grocery shopping enjoyable and memorable.

7. Non-Functional Requirements

• Performance: The system must load pages within 3 seconds under normal conditions.
• Scalability: The platform should support up to 100,000 concurrent users.
• Security: Implement robust authentication and encryption mechanisms to protect user data.
• Localization: Support Urdu and English languages, with PKR as the default currency.
• Accessibility: Ensure compliance with WCAG 2.1 standards for accessibility.

8. Tech Stack

Frontend:

• React for Web
• React Native for Mobile App

Backend:

• Python
• FastAPI

Database:

• MySQL or MariaDB (preferred for relational data)
• MongoDB (for unstructured data)
• Alembic for database migrations

AI Models:

• GPT 5.4 for user-friendly responses
• Claude 4.6 Opas for academic or coding work
• Gemini 3.1 Pro for friendly responses
• Google Nano Banana for image generation

AI Tools:

• Litellm for LLM Routing
• Langchain

Orchestration:

• Docker and docker-compose for local development
• Kubernetes for server-side orchestration

9. Assumptions and Constraints

Assumptions:

• Users will primarily access the platform via mobile devices.
• Internet connectivity is required for all features.
• The majority of users will prefer Urdu or English language options.

Constraints:

• The system must comply with local regulations for e-commerce platforms in Pakistan.
• Payment gateways must support PKR and local banks.

10. Glossary

• PKR: Pakistani Rupee, the official currency of Pakistan.
• WCAG: Web Content Accessibility Guidelines, standards for making web content accessible.
• LLM: Large Language Model, AI models designed for natural language processing.
• FastAPI: A modern web framework for building APIs with Python.
• Docker: A tool for creating, deploying, and running applications in containers.
• Kubernetes: An open-source system for automating deployment, scaling, and management of containerized applications.