- Consolidate common environment setup across Fish, Bash, and PowerShell
- Improve PATH handling with deduplication and proper ordering
- Clean up TODO.md formatting and organization
- Simplify CUDA and development tool configuration
Remove the custom `bw_login` function/alias from Nushell, bash, and PowerShell configurations as it's no longer needed. Expand PowerShell profile with comprehensive git aliases matching bash conventions, add clipboard navigation helper (`cdp`), and enable chezmoi completions.