class Clacky::Tools::ListTasks

def execute(agent:, limit: 10, **_args)
  history = agent.get_task_history(limit: limit)
  
  if history.empty?
    return "No task history available."
  end
  lines = ["Task History:"]
  history.each do |task|
    indicator = case task[:status]
    when :current then "→"
    when :past then " "
    when :future then "↯"
    end
    
    branch_indicator = task[:has_branches] ? " ⎇" : ""
    lines << "#{indicator}#{branch_indicator} Task #{task[:task_id]}: #{task[:summary]}"
  end
  lines.join("\n")
end

def format_call(limit: 10, **_args)
  "Listing task history (limit: #{limit})..."
end

def format_result(result)
  result
end