refactor: remove hardcoded personal identifiers from tracked files

zsh/zshenv

@@ -1,7 +1,16 @@
 # "[interop] appendWindowsPath=false" in /etc/wsl.conf is setted
-# Append VSCode on Windows into PATH so that vscode can be used in WSL
-export PATH=$PATH:'/mnt/c/Users/gwbei/AppData/Local/Programs/Microsoft VS Code/bin/'
-export PATH=$PATH:'/mnt/c/Users/gwbei/AppData/Local/Programs/Zed/bin/zed'
+# Dynamically resolve Windows-side program paths (avoids hardcoding usernames)
+if [[ -n "$WSLENV" ]]; then
+    _win_user=$(cmd.exe /c "echo %USERNAME%" 2>/dev/null | tr -d '\r\n')
+    if [[ -n "$_win_user" ]]; then
+        _win_home="/mnt/c/Users/$_win_user"
+        _vscode_bin="$_win_home/AppData/Local/Programs/Microsoft VS Code/bin"
+        _zed_bin="$_win_home/AppData/Local/Programs/Zed/bin"
+        [[ -d "$_vscode_bin" ]] && export PATH="$PATH:$_vscode_bin"
+        [[ -d "$_zed_bin" ]]   && export PATH="$PATH:$_zed_bin"
+    fi
+    unset _win_user _win_home _vscode_bin _zed_bin
+fi
 
 # Language and encoding related
 export LC_ALL=C.UTF-8