- Consolidate decimal.ToFormattedString into Schaad.Accounting.Formatting
- Rename EnsureFileExisits -> EnsureFileExists and
SplitPredefiniton* -> SplitPredefinition* (class, interface, files, DI reg)
- AccountRepository: single-save year-rollover start-balance seed
- Drop legacy .NET Standard packages redundant on net9.0 and the stale
Interfaces\Extensions\ folder entry
- Set culture via RequestLocalizationOptions middleware
- Plan: item 9 (unit of work) split off into a dedicated PR D
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Save<T> writes to a .tmp sibling and atomically renames, so a crash
mid-write leaves the previous file intact. Load<T>, Save<T>, and
EnsureFileExisits share a per-absolute-path lock so concurrent
Save+Save and Save+Load can't observe a half-written file.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
