v0.4.1

Fixes

• UTF-8 BOM -- all .ps1 files now use UTF-8 BOM encoding, fixing parse errors on PowerShell 5.1 where non-ASCII characters (checkmarks, box-drawing) were misinterpreted as string delimiters
• $PSScriptRoot in param() -- path parameter defaults no longer reference $PSScriptRoot (unavailable during param() evaluation with powershell.exe -File); resolved in the script body instead

Both issues were discovered during AI agent integration testing of v0.4.0's -CIMode feature.