credentials: setup_admin_password: description: "Initial admin user password for Akaunting" algorithm: "sha256" validation: "^[a-f0-9]{64}$" app_key: description: "Laravel application key (base64 encoded 32-byte key, prefixed with 'base64:')" algorithm: "base64_prefixed_32" validation: "^base64:[A-Za-z0-9+/=]{43,}$"