Update all AI CLI tools

update_ai_tools.sh

brew upgrade mise                    # Mise   
mise upgrade                         # Bun and other dependencies  
bun add -g @google/gemini-cli        # Gemini CLI
bun add -g @sourcegraph/amp@latest   # AmpCode
bun add -g opencode-ai               # OpenCode
bun add -g @github/copilot           # Github Copilot CLI
claude update                        # Claude Code
agent update                         # Cursor CLI
omz update                           # Oh My Zsh

Shell function:

update-ai-tools() {
  echo "🔄 Updating AI tools...\n"

  local steps=(
    "brew upgrade mise:Mise"
    "mise upgrade:Bun & dependencies"
    "bun add -g @google/gemini-cli:Gemini CLI"
    "bun add -g @sourcegraph/amp@latest:AmpCode"
    "bun add -g opencode-ai:OpenCode"
    "bun add -g @github/copilot:GitHub Copilot CLI"
    "claude update:Claude Code"
    "agent update:Cursor CLI"
    "omz update:Oh My Zsh"
  )

  for step in "${steps[@]}"; do
    local cmd="${step%%:*}"
    local label="${step##*:}"
    echo "📦 $label..."
    if eval "$cmd" > /dev/null 2>&1; then
      echo "✅ $label updated"
    else
      echo "⚠️  $label failed (exit $?)"
    fi
  done

  echo "\n✨ Done!"
}