Help me with Terragrunt conversion or improvement:

**For Terraform → Terragrunt conversion:**
- Identify repeated code that can be DRYed up
- Suggest appropriate terragrunt.hcl structure
- Recommend dependency management
- Propose remote state configuration

**For Terragrunt improvement:**
- Optimize include and dependency blocks
- Improve input organization
- Suggest generate block usage
- Recommend module structure

Provide step-by-step migration or improvement plan.