fde24b09c9
- Invoice Write-Off: WriteOff POST action in InvoicesController posts bad-debt JE (DR bad debt expense / CR AR), reduces customer balance, marks invoice WrittenOff; write-off modal added to Invoice Details view with expense account selector - Fixed Assets: FixedAsset + FixedAssetDepreciationEntry entities with straight-line depreciation; FixedAssetsController (Index/Create/Edit/Details/PostDepreciation/Delete); PostDepreciation auto-generates one JE per asset per period, skips already-posted, fully-depreciated, and disposed assets; full CRUD views + nav link - Period Locking: Company.BookLockedThrough field; AccountingPeriodValidator static helper; lock check added to JE Post and Bill Create (blocks backdating into closed periods); SetPeriodLock action + date picker UI in Company Settings Accounting section - 1099 Tracking: Is1099Vendor flag on Vendor entity + DTOs; checkbox in Create/Edit views; TaxReporting1099 report action + view lists payments by year, flags vendors >= $600; report card added to Reports Landing - Migration AddFixedAssetsLockAnd1099 applied Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>