OptionalIncludedInclude this field under 'include'/'explicit', or exclude it (false) under 'all'/'exclude'.
OptionalStoreHow to store this field's value: 'string' (default, truncated), 'number', 'boolean', 'epochSeconds' / 'epochMilliseconds' (parse a date to Unix epoch for numeric range filters). SQL numeric column types store as numbers automatically without setting this.
OptionalTruncationOverride the truncation limit (characters) for this field.
Per-field metadata override, keyed by ContentItem field name. Mirrors the entity pipeline.