Environment

• OpenClaw version: 2026.4.27 (also tested after update to 2026.5.5)
• OS: WSL2 (Ubuntu)
• Model: grok-4.3 (correct ID from xAI console)

Problem
The xai provider is not registering the x_search and code_execution tools, even after:

• Correcting the model list in models.json (removed invalid grok-4.3-fast)
• Full gateway restart (systemctl --user restart openclaw-gateway)
• Using a valid model (grok-4.3) that exists in the xAI account

After restart, web_search still falls back to SearXNG instead of using the native xai tool.

Logs observed

• chokidar@^5.0.0 installs correctly on every startup
• No more model_not_found errors for grok-4.3
• No errors related to xai provider failing to load
• Gateway reports normal startup, but x_search tool is never available

Expected behavior
When using a valid Grok model (grok-4.3), the xai provider should register x_search and code_execution tools.

Workaround
Currently using SearXNG + web_fetch as fallback.

Additional info

• API key is correctly configured
• Other providers (deepseek, codex) work normally

Can someone confirm if this is a known limitation or if there's additional configuration needed to enable xai tools?