Function appendToolInteraction

appendToolInteraction(program: Program, interaction: ToolInteraction): Program
Appends a tool call and its result as one exchange.
Parameters
- program: Program
  Program to edit.
- interaction: ToolInteraction
  Call and result to record.
Returns Program
A new program; the input is left untouched.
Example
```
const next = appendToolInteraction(program, {
  callId: call.id,
  name: call.name,
  args: JSON.parse(call.args),
  result: await tool.execute(args, ctx),
});
```