refactor: extract StockAdjustmentPanel component
- Extracted from page.tsx (lines 450-710)
- Pure presentational component with all state passed as props
- Props: selectedItem, isEditing, editedItem, adjustQty, adjustType, trashReason, categories, fieldScanning
- Callbacks: onCancel, onEdit, onEditChange, onQuantityChange, onTypeChange, onReasonChange, onShowScanner, onAdjustStock, onUpdateItem, onDeleteItem
- Includes edit mode and adjustment mode with quantity controls
- 291 tests passing, build successful
Daniel Bedeleanu
3302bae766