v1.3.0 - CSV Import Support

[1.3.0] - 2026-04-28

Added

• Added CSV import support.
• Added import source type selection for Excel or CSV.
• Added CSV file browsing with .csv file filter.
• Added CSV header loading.
• Added CSV preview loading.
• Added CSV row import using the existing mapping, validation, staging, and final import pipeline.
• Added CSV-aware import logging.
• Added UTF-8 BOM support for CSV import.
• Added automatic CSV delimiter detection for comma, semicolon, and tab-delimited files.
• Closing tool forms with main form
• Safer close behavior during import/export

Changed

• Generalized import source handling so the Import form can process both Excel and CSV files.
• Renamed internal import variables and methods from Excel-specific names to source-based names where appropriate.
• Updated import UI captions based on the selected source type.
• Improved import validation to check file extensions based on the selected source type.

Fixed

• Removed obsolete Excel-only preview and validation paths after adding shared source handling.

Notes

• CSV import uses the same mapping, validation, staging, transaction, logging, progress, and cancel workflow as Excel import.
• CSV files are expected to use the first row as headers.
• CSV import automatically detects common delimiters such as comma, semicolon, and tab.
• CSV files saved as UTF-8 with BOM are supported for Persian and other Unicode text.