- Create useFileUpload composable for unified drag/drop, validation, and file processing
- Create useZipProcessor composable for ZIP file operations
- Refactor TryItFileUpload.vue: reduce from 213 to 105 lines (50% reduction)
- Refactor TryItFolderUpload.vue: reduce from 342 to 115 lines (66% reduction)
- Eliminate code duplication while maintaining all existing functionality
- Improve type safety with configurable validation and preprocessing pipelines
- Enable better reusability and testability of upload logic
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Co-Authored-By: Claude <noreply@anthropic.com>