fix(zsh): Cleanup environment variable

tools/zsh/zshenv

@@ -33,6 +33,15 @@ export PAGER="less -R"
 export EDITOR="nvim"
 export VISUAL="nvim"
 
+# Minimal PATH for early commands
+export PATH="/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:$PATH"
+
+if [ -d "/opt/homebrew/bin" ]; then # macOS
+    export PATH="/opt/homebrew/bin:$PATH"
+elif [ -d "/home/linuxbrew/.linuxbrew/bin" ]; then # Linux
+    export PATH="/home/linuxbrew/.linuxbrew/bin:$PATH"
+fi
+
 # macOS Specific
 # This syntax is POSIX standard, for portability
 if [ "$(uname)" = "Darwin" ]; then
@@ -52,6 +61,7 @@ fi
 # Cargo
 if command -v cargo > /dev/null; then
     export CARGO_HOME="$XDG_DATA_HOME"/cargo
+    export PATH="$CARGO_HOME/bin:$PATH"
 fi
 # CGDB
 if command -v cgdb > /dev/null; then
@@ -60,6 +70,7 @@ fi
 # .NET
 if command -v dotnet > /dev/null; then
     export DOTNET_CLI_HOME="$XDG_DATA_HOME"/dotnet
+    export PATH="$DOTNET_CLI_HOME/.dotnet/tools:$PATH"
 fi
 # Docker
 if command -v docker > /dev/null; then
@@ -72,6 +83,7 @@ fi
 # Go
 if command -v go > /dev/null; then
     export GOPATH="$XDG_DATA_HOME"/go
+    export PATH="$GOPATH/bin:$PATH"
 fi
 # Julia
 if command -v julia > /dev/null; then
@@ -100,6 +112,17 @@ if command -v screen > /dev/null; then
     export SCREENRC="$XDG_CONFIG_HOME"/screen/screenrc
     export SCREENDIR="${XDG_RUNTIME_DIR}/screen"
 fi
+# Ruby Gem
+# Ruby Gem
+if command -v gem > /dev/null; then
+    setopt nullglob
+    for dir in "$HOME/.local/share/gem/ruby/"*/bin; do
+        if [ -d "$dir" ]; then
+            export PATH="$dir:$PATH"
+        fi
+    done
+    unsetopt nullglob
+fi
 # Spacemacs
 if command -v emacs > /dev/null; then
     export SPACEMACSDIR="$XDG_CONFIG_HOME"/spacemacs