{
  "status": "complete",
  "files_changed": [
    "crates/spt-runtime/src/runtime.rs"
  ],
  "marker_formats": [
    "RCA_BOUNDED_WAIT_BEGIN:pid=<u32> child_pid=<u32> label=<debug-escaped-role-or-safe-label> elapsed_ms=<u128> outcome=waiting",
    "RCA_BOUNDED_WAIT_END:pid=<u32> child_pid=<u32> label=<debug-escaped-role-or-safe-label> elapsed_ms=<u128> outcome=exited status_code=<Option<i32>>",
    "RCA_BOUNDED_WAIT_END:pid=<u32> child_pid=<u32> label=<debug-escaped-role-or-safe-label> elapsed_ms=<u128> outcome=try_wait_error",
    "RCA_BOUNDED_WAIT_TIMEOUT:pid=<u32> child_pid=<u32> label=<debug-escaped-role-or-safe-label> elapsed_ms=<u128> outcome=timeout"
  ],
  "gate": "Exact SPT_RCA_PTY_TRACE=1 match; no other enablement gate",
  "touched_callsites": [
    "ManifestRuntime::run_bounded_stdin passes the manifest role as the safe trace label",
    "run_bounded_command_in passes fixed label `arbitrary_command` and never the filled command"
  ],
  "semantics": "Timeout marker is emitted after the existing kill then reap calls; existing return values, errors, polling interval, timeout comparison, and pipe handling are unchanged. Normal exit and try_wait error paths emit END.",
  "verification": "cargo check -p spt-runtime passed"
}