metaspn-store 0.1.0

Minimal append-only durability layer and replay API for MetaSPN signals and emissions

metaspn-store

metaspn-store provides a minimal append-only event store for MetaSPN signals and emissions.

Features

• Filesystem JSONL backend (partitioned by UTC date)
• Append-only writes for signals and emissions
• Snapshot writes for deterministic state rebuild checkpoints
• Streaming replay by time window, entity reference, and source

Layout

workspace/
  store/
    signals/
      2026-02-05.jsonl
    emissions/
      2026-02-05.jsonl
    snapshots/
      system_state__2026-02-05T120000Z.json

Release

python -m pip install -e ".[dev]"
pytest -q
python -m build
python -m twine check dist/*
python -m twine upload dist/*