# Changelog

## 2025-11-09

- Captured current implementation status, requirements coverage, missing features, and prioritized roadmap in `calminer-docs/implementation_status.md` to guide future development.
- Added core SQLAlchemy domain models, shared metadata descriptors, and Alembic migration setup (with initial schema snapshot) to establish the persistence layer foundation.
- Introduced repository and unit-of-work helpers for projects, scenarios, financial inputs, and simulation parameters to support service-layer operations.
- Added SQLite-backed pytest coverage for repository and unit-of-work behaviours to validate persistence interactions.