- Unblock-File the extracted WinSCP files after unzip: Windows tags
downloaded files with Mark-of-the-Web, which makes Add-Type refuse to
load WinSCPnet.dll (FileLoadException 0x80131515) until unblocked.
- run.bat passed -EntityDir "%~dp0", but %~dp0 always ends in a trailing
backslash. cmd's argument parser treats a lone backslash before a closing
quote as an escaped literal quote rather than the string terminator, so
PowerShell received the path with a stray " character baked in
(Entities\CAMBS" instead of Entities\CAMBS), breaking Test-Path. Strip the
trailing backslash before quoting it.
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