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Architecture Overview

System Components

1. Frontend (Client)

  • React-based web application
  • Visual node-based programming interface
  • Real-time collaboration features
  • State management and data flow
  • Plugin system integration

2. Backend (Server)

  • Feathers.js framework
  • RESTful API endpoints
  • WebSocket support
  • Authentication and authorization
  • Database interactions
  • Plugin management

3. Database

  • PostgreSQL with pgvector extension
  • Stores:
    • User data
    • Project configurations
    • Spell definitions
    • Agent states
    • Plugin data

4. Plugin System

  • Modular architecture
  • Hot-reloadable plugins
  • Standardized interfaces
  • Custom node types
  • Service integrations

Data Flow

graph TD
    A[Client] -->|HTTP/WebSocket| B[Server]
    B -->|Query/Update| C[Database]
    B -->|Load/Execute| D[Plugins]
    D -->|Results| B
    B -->|Response| A
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Key Concepts

Spells

  • Visual programming workflows
  • Composed of nodes and connections
  • JSON-serializable format
  • Executable logic units

Nodes

  • Atomic processing units
  • Input/output sockets
  • Type system
  • Custom implementations

Agents

  • Autonomous entities
  • State management
  • Event handling
  • Multi-modal interactions

Security Architecture

Authentication

  • JWT-based auth
  • Role-based access control
  • API key management
  • Session handling

Data Protection

  • Input validation
  • SQL injection prevention
  • XSS protection
  • CORS configuration

Scalability Considerations

Horizontal Scaling

  • Stateless server design
  • Load balancer ready
  • Database connection pooling
  • Caching strategies

Performance

  • Optimized database queries
  • Efficient WebSocket usage
  • Resource monitoring
  • Memory management

Development Architecture

Local Development

  • Hot reloading
  • Development database
  • Debug tooling
  • Testing framework

Deployment

  • Docker containers
  • Environment configuration
  • Database migrations
  • Health monitoring

Integration Points

External Services

  • OAuth providers
  • Cloud services
  • AI/ML services
  • Webhook handlers

API Architecture

  • RESTful endpoints
  • WebSocket events
  • GraphQL (planned)
  • Plugin APIs

Future Considerations

Planned Improvements

  • Enhanced caching
  • Distributed processing
  • Real-time collaboration
  • Advanced monitoring

Architectural Goals

  • Maintainability
  • Extensibility
  • Performance
  • Security

Technical Specifications

Technology Stack

  • TypeScript/JavaScript
  • React
  • Node.js
  • PostgreSQL
  • Docker

Development Tools

  • npm/yarn
  • Jest
  • ESLint
  • Prettier
  • TypeScript

Additional Resources