Add --force-deploy and --skip-brew flags to setup script

Adds two new command-line flags to enhance setup script flexibility:
- --force-deploy: Passes -f flag to dotter deploy for forced deployment
- --skip-brew: Skips all Homebrew package installation steps

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

setup.sh

@@ -1,19 +1,40 @@
 #!/usr/bin/env bash
 
-set -e
+set -eo pipefail
 
 # Parse command line arguments
 RESET_CONFIG=false
-if [[ "$1" == "--reset" ]]; then
+FORCE_DEPLOY=false
+SKIP_BREW=false
+
+for arg in "$@"; do
+    case $arg in
+        --reset)
             RESET_CONFIG=true
             echo "Resetting configuration (will re-prompt for all variables)..."
-fi
+            ;;
+        --force-deploy)
+            FORCE_DEPLOY=true
+            echo "Force deployment mode enabled..."
+            ;;
+        --skip-brew)
+            SKIP_BREW=true
+            echo "Skipping Homebrew package installation..."
+            ;;
+        *)
+            echo "Unknown option: $arg"
+            echo "Usage: $0 [--reset] [--force-deploy] [--skip-brew]"
+            exit 1
+            ;;
+    esac
+done
 
 echo "Setting up dotfiles environment..."
 
 # Detect OS
 OS="$(uname -s)"
 
+if [[ "$SKIP_BREW" == false ]]; then
     # Check if Homebrew is installed
     if ! command -v brew &> /dev/null; then
         echo "Homebrew is not installed. Please install it first:"
@@ -75,6 +96,7 @@ if [[ "$OS" == "Darwin" ]]; then
     else
         echo "Skipping macOS-specific casks (not on macOS)"
     fi
+fi
 
 # Set up GitHub CLI authentication
 if command -v gh &> /dev/null; then
@@ -153,17 +175,27 @@ EOF
 # Deploy dotfiles
 echo ""
 echo "Deploying dotfiles..."
+if [[ "$FORCE_DEPLOY" == true ]]; then
+    if dotter deploy -f -v; then
+        echo "✓ Dotfiles deployed successfully (forced)!"
+    else
+        echo "⚠ Dotter deployment failed."
+    fi
+else
     if dotter deploy -v; then
         echo "✓ Dotfiles deployed successfully!"
     else
         echo "⚠ Dotter deployment failed. You may need to run 'dotter deploy -f' to force deployment."
     fi
+fi
 
 echo ""
 echo "✓ Setup complete!"
 echo ""
 echo "Configuration saved to: $USER_VARS_FILE"
 echo "To reconfigure, run: ./setup.sh --reset"
+echo "To force deployment, run: ./setup.sh --force-deploy"
+echo "To skip Homebrew packages, run: ./setup.sh --skip-brew"
 echo ""
 echo "Next steps:"
 echo "  1. Consider setting fish as your default shell: chsh -s \$(which fish)"