feat: migrate to Tailwind CSS v4 (#7614)

* chore: update deps

* feat: use jsonc/x language

* chore: update eslint 10.0

* fix: no-useless-assignment

* feat: add CLAUDE.md

* chore: ignore

* feat: claude

* fix: lint

* chore: suppot eslint v10

* fix: lint

* fix: lint

* fix: type check

* fix: unit test

* fix: Suggested fix

* fix: unit test

* chore: update stylelint v17

* chore: update all major deps

* fix:  echarts console warn

* chore: update vitest v4

* feat: add skills ignores

* chore: update deps

* chore: update deps

* fix: cspell

* chore: update deps

* chore: update tailwindcss v4

* chore: remove postcss config

* fix: no use catalog

* chore: tailwind v4 config

* fix: tailwindcss v4 sort

* feat: use eslint-plugin-better-tailwindcss

* fix: Interference between enforce-consistent-line-wrapping, jsx-curly-brace-presence and Prettier

* fix: Interference between enforce-consistent-line-wrapping, jsx-curly-brace-presence and Prettier

* fix(lint): resolve prettier and better-tailwindcss formatting conflicts

* fix(tailwind): update theme references and lint sources

* style(format): normalize apps docs and playground vue files

* style(format): normalize core ui-kit components

* style(format): normalize effects ui and layout components

vitest.config.ts

@@ -6,6 +6,15 @@ export default defineConfig({
   plugins: [Vue(), VueJsx()],
   test: {
     environment: 'happy-dom',
+    environmentOptions: {
+      happyDOM: {
+        settings: {
+          // happy-dom v20+ disables JS evaluation by default (security fix).
+          // Treat disabled script loading as success to preserve test behavior.
+          handleDisabledFileLoadingAsSuccess: true,
+        },
+      },
+    },
     exclude: [
       ...configDefaults.exclude,
       '**/e2e/**',