system.echoEchoes the typed JSON input and stores an invocation trace.
| Field | Value |
|---|---|
| Class | local_observation |
| Owner | sidecatd |
| Input schema | sidecat.system.echo.input.v0 |
| Output schema | sidecat.system.echo.output.v0 |
{
"message": "Echo this JSON payload through the invocation path.",
"schema": "sidecat.system.echo.input.v0"
}