Adding the missing package descriptions.

[Leask]

To launch the demo service, node-pty and ws are required.

[Copilot]

Pull request overview

This PR adds @lydell/node-pty and ws as dependencies to the root package.json to support running the demo service via the demo and demo:dev npm scripts, which execute demo/bin/demo.js that imports these packages for PTY and WebSocket functionality.

• Adds @lydell/node-pty@^1.1.0 for cross-platform PTY support
• Adds ws@^8.18.3 for WebSocket server functionality

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[Copilot]

Version inconsistency: demo/package.json specifies ws@^8.18.0 while this adds ^8.18.3. Consider aligning these versions to ensure consistent behavior between the demo package and the root package's demo scripts.

Suggested change

	"ws": "^8.18.3"
	"ws": "^8.18.0"

[Copilot]

These packages should be added to dependencies rather than devDependencies. The demo and demo:dev scripts (lines 47-48) run demo/bin/demo.js which imports these packages, so they need to be available in production environments, not just during development.

Suggested change

	"@lydell/node-pty": "^1.1.0",
	"@lydell/node-pty": "^1.1.0"
	},
	"dependencies": {

[Copilot]

Version inconsistency: demo/package.json specifies @lydell/node-pty@^1.0.1 while this adds ^1.1.0. Consider aligning these versions to ensure consistent behavior between the demo package and the root package's demo scripts.

[Leask]

It turns out it was already included in the demo. Sorry. Closed.