Function meta_tool_provider 

pub fn meta_tool_provider() -> Result<Box<dyn ToolProvider>, SynwireError>

Build a tool provider for meta.* tools (opt-in).

The returned provider includes:

• meta.search (semantic tool search via ToolSearchIndex)
• meta.list (list available tools with optional namespace filter)

Errors

Returns SynwireError if any tool fails validation.