Updated Graphql node documentation for websocket functionality addition for n8n PR #17207

[antman1p]

Update GraphQL node documentation to include WebSocket functionality

Summary

This PR updates the GraphQL node documentation to include the new WebSocket functionality that was added in PR #17207.

Changes Made

Added New Sections:

• Connection Mode: Explanation of HTTP vs WebSocket modes
• WebSocket-specific parameters: Connection timeout, subscription timeout, and subprotocol options
• WebSocket Usage Examples: Real-time subscription examples and connection setup details

Updated Existing Sections:

• Node parameters: Added Connection Mode selection and updated URL parameter to specify https:// vs wss:// protocols
• Authentication: Clarified that authentication options are only available for HTTP mode
• Request Format: Moved to HTTP-only section with better format recommendations
• Related resources: Added link to GraphQL over WebSocket Protocol documentation

Key Features Documented:

• Connection Mode Selection: Choose between HTTP (existing) and WebSocket (new) modes
• WebSocket Protocol Support: Documents support for graphql-transport-ws, graphql-ws, and legacy graphql protocols
• Real-time Subscriptions: Explains how to use WebSocket mode for live data updates
• Comprehensive Configuration: Documents WebSocket URL, timeouts, SSL settings, headers, variables, and operation names
• Error Handling: References the robust error handling implemented in the node

Related PR

• n8n-io/n8n#17207 - Feature: GraphQL WebSocket mode

[netlify]

✅ Deploy Preview for n8n-docs ready!

Name	Link
🔨 Latest commit	512cf7a
🔍 Latest deploy log	https://app.netlify.com/projects/n8n-docs/deploys/68d5574292b2d300081adb51
😎 Deploy Preview	https://deploy-preview-3351--n8n-docs.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[imchairmanm]

Thanks @antman1p! We'll hold off on reviewing this until the PR is ready to go in the main repo.