System Requirements Document for glacial-companion

1. Introduction

The glacial-companion is an AI companion app designed for general users, offering a friendly and engaging interface. The app provides basic features accessible to all users and premium features available through a paid subscription model. The intent is to create an approachable and interactive experience that resonates with a broad audience.

2. System Overview

The glacial-companion app is designed to serve all users with an AI companion experience, with additional premium features accessible through a subscription. The app includes a self-service enrollment process to establish user identity, ensuring continuity across sessions. The app's design is influenced by a character-driven, bold, and friendly style to enhance user engagement.

2a. Product Interpretation and Delivery Boundary

The app is intended for a broad audience, with no restrictions on user access. Premium features require a payment transaction to establish entitlement, which remains durable across sessions. The app uses a provider-managed surface with application-owned identity to ensure secure access to protected features. The design emphasizes a lively and bold interface, avoiding conservative or minimalist styles.

2b. Source Content Inventory

Not applicable as there is no explicit content_source directive.

2c. Page Content and Component Coverage

Landing

• Purpose: Introduce the AI companion app to general users.
• Components:
  • Overview of app features.
  • Call-to-action for login or sign-up.
  • Illustration-led hero section with vibrant character imagery.
  • Color-blocked sections using coral and gold.
• States:
  • Loading: Display a friendly loading animation.
  • Success: Show the main content with lively animations.
  • Error: Provide a user-friendly error message with retry options.

Login

• Purpose: Facilitate user enrollment and returning verification.
• Components:
  • Login form with email and password fields.
  • Sign-up option for new users.
  • Password recovery link.
• States:
  • Loading: Indicate processing with a spinner.
  • Success: Redirect to the Companion page.
  • Error: Display error messages for invalid credentials.

Companion

• Purpose: Primary workspace for interacting with the AI companion.
• Components:
  • Chat interface with AI companion.
  • Options to access premium features.
  • User profile and settings.
• States:
  • Loading: Show a placeholder while loading user data.
  • Success: Display chat interface with AI responses.
  • Error: Notify users of any issues with accessing the companion.

Premium

• Purpose: Showcase and provide access to premium features.
• Components:
  • List of premium features with descriptions.
  • Subscription options and pricing.
  • Call-to-action for purchasing a subscription.
• States:
  • Loading: Display a loading animation while fetching premium content.
  • Success: Show available premium features and subscription details.
  • Error: Inform users of any issues accessing premium content.

Billing

• Purpose: Manage user subscriptions and payment information.
• Components:
  • Current subscription status and details.
  • Payment method management.
  • Transaction history.
• States:
  • Loading: Indicate loading of billing information.
  • Success: Display billing details and options.
  • Error: Provide error messages for payment issues.

3. Functional Requirements

• As a User, I should be able to interact with the AI companion to receive responses and support. (explicit)
• As a User, I should be able to sign up and log in to access the app's features. (required_inference)
• As a Premium subscriber, I should be able to access additional features after making a payment. (explicit)
• As a User, I should be able to manage my subscription and payment details within the app. (required_inference)

4. User Personas

• User: General users who interact with the AI companion for support and responses.
• Premium subscriber: Users who have paid for premium features, accessing additional content and capabilities.

5. Core User Flows

User Flow

1. Landing Page: User visits the landing page and learns about the app.
2. Login/Sign-up: User chooses to log in or sign up.
   • Sign-up: User enters details and creates an account.
   • Login: User enters credentials to access their account.
3. Companion Interaction: User interacts with the AI companion.
4. Billing: User manages subscription and payment details if needed.

Premium Subscriber Flow

1. Landing Page: User visits the landing page and learns about the app.
2. Login: User logs in to access their account.
3. Premium Page: User views available premium features.
4. Purchase Subscription: User selects a subscription plan and completes payment.
5. Access Premium Features: User accesses and uses premium features.

6. Visuals Colors and Theme

• Muse: Haraldur Thorleifsson
• Palette:
  • Background: #FFFAF0
  • Surface: #FFFFFF
  • Text: #333333
  • Primary: #FF7F50
  • Accent: #FFD700
  • Muted: #F0E68C
• Typography:
  • Headings: Sora — Bold, large, tight tracking, mixed case
  • Body: Outfit
  • Scale: 1.2 modular, 64/48/32/24/18
• Shape Language: Chunky rounded cards and illustration-led heroes.
• Layout: Color-blocked sections, illustration-led heroes.
• Motion: Lively entrance animations and hover pops.

7. Signature Design Concept

The landing page features an oversized, friendly Sora headline spanning the viewport, creating a bold first impression. Rounded, chunky cards for content sections emphasize approachability. An illustration-led hero with a vibrant character draws users into the experience. Color-blocked sections using coral and gold differentiate content and features. Lively entrance animations add a sense of movement and interactivity.

8. Interaction Model & Motion Direction

• Interaction Model: Animated
• Motion Tempo: Expressive
• Hero Dimensionality: Layered_2d
• Landing Hero Motion Brief: The landing hero features a large character illustration that animates into view with expressive motion, highlighting the primary coral color. The transformation involves the character greeting the user, with text and elements popping into place, creating an engaging and dynamic introduction. In reduced-motion mode, elements fade in gently without animation.

9. Non-Functional Requirements

• The app must maintain a responsive design to ensure usability across various devices and screen sizes. (required_inference)
• The app should ensure secure handling of user data, especially payment information, in compliance with relevant data protection regulations. (required_inference)

10. Tech Stack

• Frontend: React
• Backend: Python/FastAPI
• Database: PostgreSQL
• Deployment: Docker/docker-compose, Kubernetes (if required for scaling)

11. Assumptions and Constraints

• The app is intended for a broad audience with no restrictions on access.
• Premium features require a payment transaction to establish entitlement.
• The app will use a provider-managed surface with application-owned identity.

12. Glossary

• AI Companion: The interactive feature of the app that provides responses and support to users.
• Premium Features: Additional capabilities and content accessible through a paid subscription.
• User: General users who interact with the AI companion.
• Premium Subscriber: Users who have paid for premium features.