Files
soroban-abacus-flashcards/apps/web
Thomas Hallock 1a68df6fe3 feat: Restructure FlowchartWalker with centered Time Machine layout
Major layout redesign that makes the working problem the hero:

Layout changes:
- Single centered column instead of two-column with sidebar
- TimeMachineHistory displays problem evolution as 3D perspective stack
- Instructions appear above the Time Machine
- Interaction area (checkpoints, decisions) below
- Compact phase rail in top bar
- Floating hamburger menu replaces full nav during walking

Behavior changes:
- Decision nodes rendered via FlowchartDecisionGraph (moved from separate component)
- Embellishment nodes auto-advance after 800ms with pop animation
- Milestone nodes auto-advance after 500ms
- Walking mode uses distraction-free UI with FloatingHamburgerMenu

This creates a focused, problem-centered experience where the student
sees their work evolving as they progress through the flowchart.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-19 04:48:23 -06:00
..

Soroban Web Application

Interactive web application for learning soroban (Japanese abacus) calculation with tutorials, practice sessions, and multiplayer arcade games.

Features

  • Tutorials - Step-by-step lessons for learning soroban techniques
  • Practice Sessions - Adaptive practice with progressive help system
  • Arcade Games - Multiplayer educational games for reinforcement
  • Worksheet Generator - Create printable math worksheets

Getting Started

# Install dependencies
pnpm install

# Start development server
pnpm dev

# Run type checks
npm run type-check

# Run all quality checks
npm run pre-commit

Documentation

Components

Component Description
Decomposition Display Interactive mathematical decomposition visualization
Worksheet Generator Math worksheet creation with Typst PDF generation

Games

Game Description
Arcade System Modular multiplayer game architecture
Know Your World Geography quiz game

Developer Documentation

Located in .claude/ directory:

  • CLAUDE.md - Project conventions and guidelines
  • CODE_QUALITY_REGIME.md - Quality check procedures
  • GAME_SETTINGS_PERSISTENCE.md - Game config architecture
  • Z_INDEX_MANAGEMENT.md - Z-index layering system
  • DEPLOYMENT.md - Deployment and CI/CD

Project Structure

apps/web/
├── src/
│   ├── app/                 # Next.js App Router pages
│   ├── components/          # Shared React components
│   │   ├── decomposition/   # Math decomposition display
│   │   ├── practice/        # Practice session components
│   │   └── tutorial/        # Tutorial player components
│   ├── contexts/            # React context providers
│   ├── arcade-games/        # Multiplayer game implementations
│   ├── hooks/               # Custom React hooks
│   ├── lib/                 # Utilities and libraries
│   └── db/                  # Database schema and queries
├── .claude/                 # Developer documentation
├── public/                  # Static assets
└── styled-system/           # Generated Panda CSS

Technology Stack

  • Framework: Next.js 14 (App Router)
  • Language: TypeScript
  • Styling: Panda CSS
  • Database: SQLite with Drizzle ORM
  • Abacus Visualization: @soroban/abacus-react

Parent: Main README - Complete project overview Abacus Component: packages/abacus-react - Abacus visualization library