Theme configuration: theme data reference

Reading the data tables. Presence varies by page and state; this is not a requirement to populate every field.

Field	Type	Meaning	Availability
viewModel.theme	object	Theme data; check child fields before use.	When the parent is provided; check optional fields.
viewModel.theme.assetBaseUrl	string	Prepared asset base URL; use unchanged.	When the parent is provided; check optional fields.
viewModel.theme.key	string	Key value supplied for this context.	When the parent is provided; check optional fields.
viewModel.theme.scripts	string[]	Ordered resolved asset URLs. Include each URL once.	When theme data is present; the array can be empty.
viewModel.theme.stylesheets	string[]	Ordered resolved asset URLs. Include each URL once.	When theme data is present; the array can be empty.