Function maybeActivateBrief

src/main.tsx:4622–4652

(options: unknown)

  }
}
function maybeActivateBrief(options: unknown): void {
  if (!(feature('KAIROS') || feature('KAIROS_BRIEF'))) return;
  const briefFlag = (options as {
    brief?: boolean;
  }).brief;
  const briefEnv = isEnvTruthy(process.env.CLAUDE_CODE_BRIEF);
  if (!briefFlag && !briefEnv) return;
  // --brief / CLAUDE_CODE_BRIEF are explicit opt-ins: check entitlement,
  // then set userMsgOptIn to activate the tool + prompt section. The env
  // var also grants entitlement (isBriefEntitled() reads it), so setting
  // CLAUDE_CODE_BRIEF=1 alone force-enables for dev/testing — no GB gate
  // needed. initialIsBriefOnly reads getUserMsgOptIn() directly.
  // Conditional require: static import would leak the tool name string
  // into external builds via BriefTool.ts → prompt.ts.
  /* eslint-disable @typescript-eslint/no-require-imports */
  const {
    isBriefEntitled
  } = require('./tools/BriefTool/BriefTool.js') as typeof import('./tools/BriefTool/BriefTool.js');
  /* eslint-enable @typescript-eslint/no-require-imports */
  const entitled = isBriefEntitled();
  if (entitled) {
    setUserMsgOptIn(true);
  }
  // Fire unconditionally once intent is seen: enabled=false captures the
  // "user tried but was gated" failure mode in Datadog.
  logEvent('tengu_brief_mode_enabled', {
    enabled: entitled,
    gated: !entitled,
    source: (briefEnv ? 'env' : 'flag') as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS
  });
}
function resetCursor() {
  const terminal = process.stderr.isTTY ? process.stderr : process.stdout.isTTY ? process.stdout : undefined;
  terminal?.write(SHOW_CURSOR);