- [x] Schema design - [x] Ratatui - [x] SQLite integration - [x] Design process flow - [x] Prepare in-mem schema - [x] Write debug logging to file - [x] Add app state handling - [x] Run init migration on startup - [x] Add detect change control for schema - [ ] Init screen: app loading - [ ] Design tabular views for ledgers - [ ] Write UI for ledger views - [ ] Controls for view state - [ ] Design input view