Add AI-assisted features architecture documentation for Workhorse

Igor Drozdovrequested to merge
id-workhorse-ai-assisted-docs into master

This merge request adds comprehensive documentation for the AI-assisted features architecture in GitLab, specifically focusing on how Workhorse enables Duo Chat and Duo Agent functionality.

Changes

  • Added detailed architecture overview explaining the relationship between GitLab Rails, Workhorse, Duo Workflow Service, and MCP Servers
  • Included high-level architecture diagram showing component interactions
  • Added request flow sequence diagram for AI interactions
  • Documented Workhorse request handling flow for executing HTTP actions and MCP tools
  • Explained restricted network environment support
  • Covered error handling and graceful shutdown procedures
  • Documented security considerations including authentication and authorization
  • Added references to related resources and merge requests

Documentation Structure

The document provides:

  1. Overview of AI-assisted features architecture
  2. Key components explanation
  3. Multiple architecture diagrams (Mermaid)
  4. Detailed request flow documentation
  5. Security and resilience considerations
  6. Related resources and references

Merge request reports