- Add COL_IDX_CODE66 constant for column I in M04_Config.bas
- Extend data reading range to include column I in M02_DataIO.ReadSourceData
- Use .Text property for column I to preserve leading zeros
- Update baseInfo array to use column I instead of column C in M01_Main.bas
- Set output code column to text format to prevent numeric conversion
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Rename VBA/ directory to VBA_BOMConverter/ for better clarity.
This change reflects the module's purpose as the BOM converter component.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>