refactor: Improve .profile for shell compatibility and PATH management

dotfiles/.profile

@@ -9,11 +9,19 @@
 #umask 022
 
 # if running bash
-if [ -n "$BASH_VERSION" ]; then
-    # include .bashrc if it exists
+if [ "$SHELL" = "/bin/bash" ]; then
+    # include .bashrc if it exists and we are not in a subshell
+    # Check if .bashrc exists
     if [ -f "$HOME/.bashrc" ]; then
+        # Check if we are in a login shell (indicated by -l in the shell options)
+        if ! shopt -oq posix; then # Check if not running in POSIX mode (usually implies a login shell)
             . "$HOME/.bashrc"
         fi
+    fi
+elif [ "$SHELL" = "/bin/zsh" ]; then
+    if [ -f "$HOME/.zshrc" ]; then
+        . "$HOME/.zshrc"
+    fi
 fi
 
 # set PATH so it includes user's private bin if it exists
@@ -26,4 +34,23 @@ if [ -d "$HOME/.local/bin" ] ; then
     PATH="$HOME/.local/bin:$PATH"
 fi
 
-nvm use stable
+# Use stable nvm version if available
+if command -v nvm &> /dev/null; then
+    nvm use stable
+fi
+
+# Add Go directories to PATH
+if [ -d "/usr/local/go/bin" ] ; then
+    PATH="/usr/local/go/bin:$PATH"
+fi
+
+if [ -d "$HOME/go/bin" ] ; then
+    PATH="$HOME/go/bin:$PATH"
+fi
+
+# Add Go version-specific paths if they exist
+for go_path in /usr/lib/go-*/bin /usr/lib/go/bin; do
+    if [ -d "$go_path" ] ; then
+        PATH="$go_path:$PATH"
+    fi
+done