Module: Legion::LLM::Patches::RubyLLMParallelTools

Defined in:
lib/legion/llm/patches/ruby_llm_parallel_tools.rb

Instance Method Summary collapse

Instance Method Details

#handle_tool_calls(response) ⇒ Object 



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# File 'lib/legion/llm/patches/ruby_llm_parallel_tools.rb', line 49

def handle_tool_calls(response, &)
  tool_calls = response.tool_calls.values

  # Dispatch all tool calls concurrently, preserving original order.
  threads = tool_calls.map do |tool_call|
    Thread.new do
      @on[:new_message]&.call
      @on[:tool_call]&.call(tool_call)
      raw = execute_tool(tool_call)
      # Wrap so serialize_tool_result in the bridge script gets an ID.
      wrapper = ToolResultWrapper.new(
        raw,                  # :result  — raw value (String/Hash/Halt/etc.)
        raw,                  # :content — alias for bridge compat
        tool_call.id,         # :tool_call_id
        tool_call.id,         # :id
        tool_call.name        # :tool_name
      )
      @on[:tool_result]&.call(wrapper)
      { tool_call: tool_call, raw: raw }
    end
  end

  begin
    results = threads.map(&:value) # block until all complete

    # Commit messages serially — preserves ordering, avoids @messages races.
    halt_result = nil
    results.each do |entry|
      tool_call    = entry[:tool_call]
      raw          = entry[:raw]
      tool_payload = raw.is_a?(RubyLLM::Tool::Halt) ? raw.content : raw
      content      = content_like?(tool_payload) ? tool_payload : tool_payload.to_s
      message      = add_message(role: :tool, content: content, tool_call_id: tool_call.id)
      @on[:end_message]&.call(message)
      halt_result = raw if raw.is_a?(RubyLLM::Tool::Halt)
    end

    reset_tool_choice if forced_tool_choice?
    halt_result || complete(&)
  ensure
    threads.each do |thread|
      thread.kill if thread.alive?
      thread.join
    end
  end
end