- Reads all image files from uploads/ directory
- Uploads each to S3 bucket preserving original filenames as object keys
- Handles errors per-file without aborting entire migration
- Preserves original files (manual deletion after verification)
- One-time migration script with type conversions (unix timestamps to Date, int to bool)
- Migrates all 13 tables in FK dependency order
- Resets serial sequences after data migration
- Adds db:migrate-from-sqlite npm script
