- string mode: split on the separator (comma or whitespace), normalised,
stored joined by a comma or one space; null stores an empty string
- customTags false refuses a tag outside options (taglist.not_allowed)
- taglist checked and hydrated on relation forms and settings forms;
settings bind taglist columns; required checked on the tags
- admin: TaglistField string mode and closed option lists, preview renders
the tags read-only as a comma-separated list; rebuilt dist
- docs: Taglist section covers both modes, separator and customTags
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