setx truncates values at 1024 characters, and the old code fed it the
merged process PATH (system + user), permanently duplicating every
system entry into the user hive and silently dropping anything past the
limit. Read and rewrite only the HKCU Environment Path value with
winreg, preserving REG_EXPAND_SZ, and broadcast WM_SETTINGCHANGE.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Renamed 'src/core' to 'ytsage/core' and updated all internal imports to use relative paths. This improves package structure and ensures correct module resolution after the directory move.
Jaroslav Beneš