Dewey 0572: organization.set's instances field only sets the model of an instance the business file already declares (launch-settings.mjs:46-52), and business.mjs:130 refuses a launch.instances name the roles don't declare. The row 149 brief said chief's organization change adds the merge-gate and security-reviewer instances, and acceptance 314's before-the-run list repeated it. Both now say Jason adds them by editing the business file and validates it. Doc-only; no test reads either file. Co-Authored-By: Claude Opus 5.5 <[email protected]>