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Tux
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Bump version to 0.2.0+5 and promote the Unreleased changelog to 0.2.0 (2026-07-01). Highlights since 0.1.3: - Sleep screen: browse/compare past nights (header arrows + tappable trend), colour-coded hypnogram with tap tooltips. - Settings: "last synced" time, persisted device-locally. - iOS: HealthKit now prompts and reads (entitlement wired); deployment target pinned to 14.0 in source. - Data correctness: edited/corrected readings reflect on the dashboard; Samsung Health cumulative step totals are read correctly, with on-ingest supersession compaction keeping the shards tidy. Native versionName/versionCode derive from pubspec; F-Droid auto-tracks the tag. No OMH format change, so manifest format_version stays 1. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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| CHANGELOG.md | ||
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| README.md | ||
Cairn
A personal health-data aggregator that you own end to end.
Cairn reads your wearable and phone health data from the platform's own health store (Apple HealthKit / Android Health Connect), normalizes it into an open, documented file format (Open mHealth / IEEE 1752.1, as sharded JSON Lines), and syncs it into a Nextcloud you control. No central server, no proprietary database, no vendor lock-in — the files in your Nextcloud are the single source of truth.
It is deliberately aimed at privacy-conscious people and self-hosters who run (or will happily run) their own Nextcloud. "Bring your own Nextcloud" is the feature, not a barrier.
Components
- Mobile app (Flutter, iOS + Android) — reads the health store, writes OMH files, syncs over WebDAV. The only writer. (MIT)
- Nextcloud web app (PHP + Vue, planned) — an optional, read-only second frontend over the same files. (AGPL-3.0-or-later — Nextcloud app store)
Status
Early development. The repository currently contains the project foundation: Flutter scaffold, architecture skeleton, and documentation. See the phased plan in docs/DESIGN.md §15.
Documentation
- docs/DESIGN.md — full design and rationale (source of truth).
- docs/DEVELOPMENT.md — set up a dev environment from scratch (Flutter and the future Nextcloud app).
- CHANGELOG.md — notable changes.
License
The mobile app and the OMH file format are released under the MIT License. The future Nextcloud web app will ship from its own subtree under AGPL-3.0-or-later (it links AGPL Nextcloud server code); see docs/DEVELOPMENT.md §5.
Not a medical device
Cairn aggregates and visualizes data. It makes no diagnostic, treatment, or clinical claims.