- Add model saving event to trim key/secret fields (encrypted casts)
- Add attribute mutators to trim endpoint, bucket, region fields
- Create migration to fix existing S3 storage records with whitespace
- Use chunking in migration to handle large datasets efficiently
- Verify re-encryption validity before committing changes
Fixes#7469#7594🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>