Function buildSystemInitMessage

src/utils/messages/systemInit.ts:53–96

(inputs: SystemInitInputs)

 *     QueryEngine SDKMessage layer
 */
export function buildSystemInitMessage(inputs: SystemInitInputs): SDKMessage {
  const settings = getSettings_DEPRECATED()
  const outputStyle = settings?.outputStyle ?? DEFAULT_OUTPUT_STYLE_NAME

  const initMessage: SDKMessage = {
    type: 'system',
    subtype: 'init',
    cwd: getCwd(),
    session_id: getSessionId(),
    tools: inputs.tools.map(tool => sdkCompatToolName(tool.name)),
    mcp_servers: inputs.mcpClients.map(client => ({
      name: client.name,
      status: client.type,
    })),
    model: inputs.model,
    permissionMode: inputs.permissionMode,
    slash_commands: inputs.commands
      .filter(c => c.userInvocable !== false)
      .map(c => c.name),
    apiKeySource: getAnthropicApiKeyWithSource().source as ApiKeySource,
    betas: getSdkBetas(),
    claude_code_version: MACRO.VERSION,
    output_style: outputStyle,
    agents: inputs.agents.map(agent => agent.agentType),
    skills: inputs.skills
      .filter(s => s.userInvocable !== false)
      .map(skill => skill.name),
    plugins: inputs.plugins.map(plugin => ({
      name: plugin.name,
      path: plugin.path,
      source: plugin.source,
    })),
    uuid: randomUUID(),
  }
  // Hidden from public SDK types — ant-only UDS messaging socket path
  if (feature('UDS_INBOX')) {
    /* eslint-disable @typescript-eslint/no-require-imports */
    ;(initMessage as Record<string, unknown>).messaging_socket_path =
      require('../udsMessaging.js').getUdsMessagingSocketPath()
    /* eslint-enable @typescript-eslint/no-require-imports */
  }
  initMessage.fast_mode_state = getFastModeState(inputs.model, inputs.fastMode)
  return initMessage
}