Function buildStartCascadeRequest

src/windsurf.js:310–316

(apiKey, sessionId)

 * Field 1: metadata
 */
export function buildStartCascadeRequest(apiKey, sessionId) {
  return Buffer.concat([
    writeMessageField(1, buildMetadata(apiKey, undefined, sessionId)),
    writeVarintField(4, 1),  // source = CORTEX_TRAJECTORY_SOURCE_CASCADE_CLIENT
    writeVarintField(5, 1),  // trajectory_type = CORTEX_TRAJECTORY_TYPE_USER_MAINLINE
  ]);
}

/**
 * Build SendUserCascadeMessageRequest.