E6.1.3 Regenerate lock and schema-validate in the command #109

Part of: Provide a supported way to onboard a non-CompleteTech organization (E6.1).

Task

Regenerate lock and schema-validate in the command

Subtasks

• config --write-lock equivalent

Definition of done

• Tests added or updated and CI green
• Docs updated when the command surface or output changes
• No private registry data, local paths or private repository names in fixtures or docs