Description

Adds complete x.ai (Grok) provider support to Archestra platform.

Closes #1850

Implementation Details

• ✅ x.ai type definitions (OpenAI-compatible)
• ✅ Request/response/stream adapters
• ✅ Proxy routes with default agent and custom agent endpoints
• ✅ Configuration with environment variable support
• ✅ Dual LLM client for verification
• ✅ Chat integration with model fetching
• ✅ Frontend interaction handler
• ✅ Error handling (reuses OpenAI error mappers)
• ✅ Optimization rules support
• ✅ All TypeScript type checks pass
• ✅ Backend builds successfully

Testing

• Backend type-check: ✅ Passing
• Backend build: ✅ Successful
• Frontend type-check: ✅ Passing (x.ai-related)

API Key Setup

Set ARCHESTRA_CHAT_XAI_API_KEY environment variable with your x.ai API key from https://console.x.ai/

Models Supported

• grok-4
• grok-4-1-fast-reasoning
• grok-4-1-fast-non-reasoning
• grok-code-fast-1

Follows the same pattern as Cerebras provider (OpenAI-compatible API).

Algora Bounty

/claim #1850