- cli-reference.md: field get/update/delete now <tableId> <fieldId>;
new field visible-choices command; note --options goes via convert API
- tables-fields.md: correct update/delete signatures; options-rewrite
semantics (convert API, whole-replace not merge); new section on
select-choice visibilityFilter dependency (read/write/evaluate,
backend 400 guards, write-time enforcement message)
Rename the skill directory and update all references (SKILL.md frontmatter
name, AGENTS.md, design doc, install.sh). Git tracks this as a rename so
history is preserved.