Core tracking engine, SQLDelight-backed batched persistence, and cross-platform permission abstraction for PulseKit.

BLE scan DataSource plugin for PulseKit.

Streaming exporters (NDJSON, GPX, CSV) for PulseKit sensor data.

GPS/network location DataSource plugin for PulseKit.

Raw accelerometer and step-counter DataSource plugins for PulseKit.

Inversion-of-control network sync engine (retry/backoff, client-owned wire format via SyncUploader) for PulseKit.

Test infrastructure (fakes, virtual time, in-memory DB) for PulseKit.

Android infrastructure (Services, Receivers) and Jetpack Compose components for PulseKit.