available_tools: Print built-in tools available for use by agents
Description
Prints the R handle (tool_*), the function_name the model sees, and the
description of every built-in Tool exported by the package. Derived at
call time from the namespace — no hardcoded list.
Usage
available_tools(verbosity = 1L)
Value
A named list of Tool objects keyed by their R handle, invisibly.