Flow Version
Only node flow may be versioned. But that effectively means everything important can be versioned.
Each version has an ordinal sequence number (kept in metadata as sflo:sequenceNumber, and also part of the snapshot folder name as _vN). Snapshot folders follow the format YYYY-MM-DD_HHMM_SS_vN (e.g., 2025-11-24_0142_07_v1).
Versioning is controlled in the node config.
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