Summit Extensions Framework

A unified extension system for Summit that enables discovery, loading, and policy-enforced execution of extensions across copilot, UI, and CLI.

Directory Structure

packages/extensions/
├── src/
│   ├── index.ts                    # Main exports
│   ├── types.ts                    # Extension manifest types
│   ├── loader.ts                   # Extension discovery and loading
│   ├── registry.ts                 # Extension registry
│   ├── policy/                     # Policy enforcement
│   │   └── enforcer.ts
│   ├── integrations/               # Integration adapters
│   │   ├── copilot.ts
│   │   ├── command-palette.ts
│   │   └── cli.ts
│   └── validators/                 # Manifest validation
│       └── schema.ts
├── templates/                      # Extension templates
│   └── example/
└── package.json

Features

• Unified Manifest: Single extension.json format for all extension types
• Dynamic Discovery: Automatic extension discovery from configured paths
• Policy Enforcement: Permission-based access control via OPA
• Multi-Channel Integration: Copilot tools, UI command palette, CLI
• Hot Reload: Live extension updates without restart
• Type Safety: Full TypeScript support

Quick Start

See the main documentation: docs/extensions/building-extensions.md