Initial public release.
- Rehearses three-way JSON synchronization using base, local, and remote snapshots.
- Classifies same, local-only, remote-only, and both-changed paths with JSON Pointer evidence.
- Supports manual, prefer-local, prefer-remote, and newest-snapshot strategies.
- Validates timestamps, fingerprints every input, and never touches production data.
Verified across Windows, macOS, and Linux with Python 3.10 and 3.14. CodeQL and the isolated dependency audit passed.