Function getSubtreeSnapshot

getSubtreeSnapshot(
    snapshot: RuntimeSnapshot,
    path: string,
    allNarrativeEntries?: CombinedNarrativeEntry[],
): SubtreeSnapshot | undefined
Navigate the execution snapshot tree by a slash-separated subflow path.

Implementation note: footprintjs's SubflowExecutor stores nested subflow results with composite slash-separated keys (e.g. "sf-outer/sf-inner") in the flat subflowResults map. This function uses those keys for lookup.
Parameters
- snapshot: RuntimeSnapshot
  — the full RuntimeSnapshot from executor.getSnapshot()
- path: string
  — slash-separated subflow IDs, e.g. "sf-payment" or "sf-payment/sf-validation"
- OptionalallNarrativeEntries: CombinedNarrativeEntry[]
  — optional full narrative entries from executor.getNarrativeEntries(), used to extract scoped narrative for the subtree
Returns SubtreeSnapshot | undefined
the matching SubtreeSnapshot, or undefined if the path is not found
- Defined in lib/runner/getSubtreeSnapshot.ts:74