Class: Roast::Workflow::AgentStep

Inherits:
BaseStep
  • Object
show all
Defined in:
lib/roast/workflow/agent_step.rb

Instance Attribute Summary collapse

Attributes inherited from BaseStep

#available_tools, #coerce_to, #context_path, #json, #model, #name, #params, #print_response, #resource, #workflow

Instance Method Summary collapse

Constructor Details

#initialize(workflow, **kwargs) ⇒ AgentStep

Returns a new instance of AgentStep.



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# File 'lib/roast/workflow/agent_step.rb', line 8

def initialize(workflow, **kwargs)
  super
  # Set default values for agent-specific options
  @include_context_summary = false
  @continue = false
end

Instance Attribute Details

#continue ⇒ Object

Returns the value of attribute continue.



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# File 'lib/roast/workflow/agent_step.rb', line 6

def continue
  @continue
end

#include_context_summary ⇒ Object

Returns the value of attribute include_context_summary.



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# File 'lib/roast/workflow/agent_step.rb', line 6

def include_context_summary
  @include_context_summary
end

#resume ⇒ Object

Returns the value of attribute resume.



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# File 'lib/roast/workflow/agent_step.rb', line 6

def resume
  @resume
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/roast/workflow/agent_step.rb', line 15

def call
  # For inline prompts (detected by plain text step names), use the name as the prompt
  # For file-based steps, load from the prompt file
  prompt_content = if name.plain_text?
    name.to_s
  else
    read_sidecar_prompt
  end

  # Handle resume option by copying session ID from referenced step
  if @resume.present?
    if (session_id = workflow.metadata.dig(@resume, "coding_agent_session_id"))
      workflow.metadata[name.to_s] ||= {}
      workflow.metadata[name.to_s]["coding_agent_session_id"] = session_id
    else
      Roast::Helpers::Logger.warn("Cannot resume from step '#{@resume}'. It does not have a coding_agent_session_id in its metadata.")
    end
  end

  # Use agent-specific configuration that was applied by StepLoader
  # If resume is set and a session_id is available, translate it to continue
  agent_options = {
    include_context_summary: @include_context_summary,
    continue: @continue || session_id.present?, # Use continue if either continue is set or a session_id to resume from is available
  }

  # Call CodingAgent directly with the prompt content and options
  result = Roast::Tools::CodingAgent.call(prompt_content, **agent_options)

  # Parse as JSON if json: true is configured (since CodingAgent response is not handled by Raix)
  if @json && result.is_a?(String)
    # Don't try to parse error messages as JSON
    if result.start_with?("Error running CodingAgent:")
      raise result
    end

    # Extract JSON from markdown code blocks anywhere in the response
    cleaned_result = extract_json_from_markdown(result)

    begin
      result = JSON.parse(cleaned_result)
    rescue JSON::ParserError => e
      raise "Failed to parse CodingAgent result as JSON: #{e.message}"
    end
  end

  # Process output if print_response is enabled
  process_output(result, print_response:)

  # Apply coercion if configured
  apply_coercion(result)
end