## Summary
Enable `better-tailwindcss/enforce-canonical-classes` lint rule and
auto-fix all 611 violations across 173 files. Stacked on #9417.
## Changes
- **What**: Simplify Tailwind classes to canonical forms via `eslint
--fix`:
- `h-X w-X` → `size-X`
- `overflow-x-hidden overflow-y-hidden` → `overflow-hidden`
- and other canonical simplifications
- Enable `enforce-canonical-classes` as `'error'` in eslint config
## Review Focus
Mechanical auto-fix PR — all changes produced by `eslint --fix`. No
visual or behavioral changes; canonical forms are functionally
identical.
**Stack:** #9417 → **this PR** → PR 3 (class order)
Fixes#9300 (partial — 2 of 3 rules)
┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-9427-fix-enable-enforce-canonical-classes-tailwind-lint-rule-31a6d73d365081a49340d7d4640ede45)
by [Unito](https://www.unito.io)