- Created defaults.tf with centralized module defaults
- Updated variables.tf to remove redundant variables (repository_template, etc.)
- Fixed main.tf to pass local values to templates instead of hardcoded defaults
- Updated locals.tf to use new simplified variable structure
- Fixed validation errors and template variable references
- Updated examples to demonstrate simplified user interface
- Consolidated repository and cluster naming to single 'name' variable
- Hidden implementation complexity from users per call notes discussion

Implements Phase 1 of callnotes-09152025 implementation plan.
Ready for Phase 2: eks-clusters-workspace creation.