System Requirements Document

Introduction

This document outlines the system requirements for the Next-Gen Voice-Driven Q-Commerce App. The application is designed to provide a seamless voice-driven quick-commerce experience, integrating various modules for customers, dark stores, delivery personnel, and administrators.

System Overview

The Next-Gen Voice-Driven Q-Commerce App is a comprehensive ecosystem that facilitates quick-commerce through voice commands. It supports multiple languages, offers a user-friendly interface for seniors and children, and integrates various operational modules to streamline the commerce process from order to delivery.

Functional Requirements

Customer App

• As a customer, I want to authenticate using OTP or biometric methods to ensure secure access to the app.
• As a customer, I want a large accessible homepage to easily navigate the app.
• As a customer, I want to search and order products using voice commands for a hands-free shopping experience.
• As a customer, I want the app to handle background noise during voice commands to improve accuracy.
• As a customer, I want text-to-speech confirmation of my orders to verify my shopping intent.
• As a customer, I want a simplified checkout process supporting COD and UPI for convenient payments.
• As a customer, I want to reorder previous purchases easily to save time.
• As a customer, I want to track my orders in real-time to stay updated on delivery status.
• As a customer, I want to receive notifications for order status and updates to stay informed.
• As a customer, I want to contact store representatives directly from the app for any queries or issues.
• As a customer, I want one-tap voice ordering to quickly place orders with minimal interaction.
• As a customer, I want a senior- and kid-friendly UI to ensure ease of use for all age groups.

Voice AI & Conversational Ordering

• As a system, I want to convert spoken requests into structured shopping intent to facilitate voice-driven ordering.
• As a system, I want to extract product, brand, and quantity from voice commands to create accurate orders.
• As a system, I want to confirm orders through voice interaction to ensure customer satisfaction.
• As a system, I want to provide smart voice confirmation to intelligently verify and confirm orders.

Dark Store App

• As a store operator, I want instant order broadcasts to prepare orders quickly.
• As a store operator, I want a two-minute pick/pack workflow to enhance efficiency.
• As a store operator, I want shelf-number guidance to locate products swiftly.
• As a store operator, I want inventory threshold alerts to manage stock effectively.
• As a store operator, I want to update order status in real-time to keep the system synchronized.

Delivery App

• As a delivery person, I want to accept delivery assignments to manage my workload.
• As a delivery person, I want optimized routes for deliveries to save time and fuel.
• As a delivery person, I want to track my earnings and incentives to monitor my income.
• As a delivery person, I want to provide geofenced proof of delivery to confirm successful deliveries.
• As a delivery person, I want to use photo and/or OTP confirmation for deliveries to ensure security.

Super Admin Web

• As an admin, I want a live operations dashboard to monitor the entire system.
• As an admin, I want to view delivery fleet maps to track delivery progress.
• As an admin, I want to access dark-store and inventory metrics to manage operations.
• As an admin, I want to manage user, store, and delivery configurations to maintain system integrity.
• As an admin, I want AI-assisted demand analytics to forecast and plan operations.

Product, Cart & Orders

• As a customer, I want to discover products easily to enhance my shopping experience.
• As a customer, I want to manage product quantities in my cart to control my purchases.
• As a customer, I want to confirm my orders before checkout to ensure accuracy.
• As a system, I want to synchronize order workflows across all modules to maintain consistency.

Payments

• As a customer, I want to use COD and UPI for payments to have flexible payment options.
• As a system, I want to handle payment gateway, settlement, refunds, and reconciliation to ensure smooth financial transactions.

Notifications & Communication

• As a system, I want to send push notifications and SMS/OTP to keep users informed.
• As a system, I want to provide order-status notifications and delivery updates to enhance user experience.
• As a system, I want to send operational alerts to relevant parties to ensure smooth operations.

User Personas

• Customer: Individuals using the app to order products via voice commands.
• Store Operator: Personnel managing dark store operations and order fulfillment.
• Delivery Person: Individuals responsible for delivering orders to customers.
• Admin: Users managing the overall system, including operations, analytics, and configurations.

Core User Flows

1. Customer Voice Ordering Flow:

   • Customer initiates a voice request.
   • System converts speech to text and extracts shopping intent.
   • System confirms order details via text-to-speech.
   • Customer completes checkout using COD/UPI.
   • Order is created and broadcasted to the dark store.

2. Dark Store Order Fulfillment Flow:

   • Order is received and broadcasted to the store operator.
   • Store operator picks and packs the order.
   • Order status is updated in the system.

3. Delivery Assignment and Completion Flow:

   • Delivery person accepts the assignment.
   • Route is optimized for delivery.
   • Delivery is completed with geofenced proof and confirmation.

Visuals Colors and Theme

• Color Theme: A modern, accessible color palette suitable for all age groups, focusing on readability and ease of use.
• Typography: Large, readable fonts to accommodate senior users and enhance accessibility.

Signature Design Concept

• Design Concept: A clean, intuitive interface with minimalistic design elements to facilitate easy navigation and interaction.

Interaction Model & Motion Direction

• Interaction Model: Voice-first interaction with touch support for fallback.
• Motion Direction: Smooth transitions and animations to guide users through the app.

Non-Functional Requirements

• Security: Secure authentication, encrypted communication, and protected payment handling.
• Performance: Scalable architecture to support concurrent users and operations.
• Accessibility: Large touch targets and voice assistance for senior users.
• Usability: Simplified navigation and interaction for all user personas.

Tech Stack

• Mobile: Flutter or React Native for cross-platform development.
• Backend: Node.js or Python for server-side logic.
• Database: PostgreSQL and/or MongoDB for data storage.
• Voice/STT: Whisper or Google Speech-to-Text for voice processing.
• NLP: Dialogflow and/or custom LLM for natural language processing.
• Maps: Google Maps and/or Mapbox for navigation and routing.
• Admin: Responsive web application for system management.

Assumptions and Constraints

• Client provides necessary branding, product data, and business rules.
• Third-party services may incur additional fees.
• Delivery-time targets depend on various operational factors.

Glossary

• COD: Cash on Delivery
• UPI: Unified Payments Interface
• STT: Speech-to-Text
• LLM: Large Language Model
• NLP: Natural Language Processing

This document serves as a comprehensive guide for the development and deployment of the Next-Gen Voice-Driven Q-Commerce App, ensuring all functional and non-functional requirements are met.