a ToolDescriptor or Presentation is bundled in a runtime/platform (inverse of bundles)
| from | to | to kind |
|---|---|---|
| tool-descriptor:notebook-edit | agent-runtime-impl:claude-code.runtime@1.x | AgentRuntimeImpl |
| tool-descriptor:todo-write | agent-runtime-impl:claude-code.runtime@1.x | AgentRuntimeImpl |