Fix stylelint configuration with correct rule names

- Remove @stylistic/stylelint-plugin dependency (not needed)
- Fix deprecated rule names (color-keyword → color-named)
- Disable formatting rules to match original scss-lint philosophy
- Configuration now works correctly with stylelint v16

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: 2 people

.stylelintrc.json

@@ -1,22 +1,40 @@
 {
   "extends": "stylelint-config-standard-scss",
   "rules": {
-    "color-keyword": null,
+    "color-named": null,
     "color-hex-length": "long",
-    "color-hex-case": "upper",
     "selector-id-pattern": null,
-    "number-leading-zero": "always",
-    "scss/at-rule-no-unknown": [true, {
-      "ignoreAtRules": ["include", "mixin", "each", "if", "else", "for", "while", "function", "return", "use", "forward"]
-    }],
+    "scss/at-rule-no-unknown": [
+      true,
+      {
+        "ignoreAtRules": [
+          "include",
+          "mixin",
+          "each",
+          "if",
+          "else",
+          "for",
+          "while",
+          "function",
+          "return",
+          "use",
+          "forward"
+        ]
+      }
+    ],
     "selector-class-pattern": null,
     "custom-property-pattern": null,
     "keyframes-name-pattern": null,
     "scss/percent-placeholder-pattern": null,
     "scss/dollar-variable-pattern": null,
     "scss/at-function-pattern": null,
     "scss/at-mixin-pattern": null,
-    "import-notation": null
+    "import-notation": null,
+    "at-rule-empty-line-before": null,
+    "font-family-name-quotes": null,
+    "rule-empty-line-before": null,
+    "scss/dollar-variable-empty-line-before": null,
+    "function-url-quotes": null
   },
   "ignoreFiles": [
     "spec/dummy/app/assets/stylesheets/application.css",
@@ -25,4 +43,4 @@
     "**/*.ts",
     "**/*.tsx"
   ]
-}
+}

rakelib/lint.rake

@@ -12,7 +12,8 @@ namespace :lint do
 
   desc "Run stylelint as shell"
   task :scss do
-    sh_in_dir(gem_root, "yarn run stylelint \"spec/dummy/app/assets/stylesheets/**/*.scss\" \"spec/dummy/client/**/*.scss\"")
+    sh_in_dir(gem_root,
+              "yarn run stylelint \"spec/dummy/app/assets/stylesheets/**/*.scss\" \"spec/dummy/client/**/*.scss\"")
   end
 
   desc "Run eslint as shell"
@@ -29,7 +30,9 @@ namespace :lint do
   task :autofix do
     sh_in_dir(gem_root, "yarn run eslint . --fix")
     sh_in_dir(gem_root, "yarn run prettier --write .")
-    sh_in_dir(gem_root, "yarn run stylelint \"spec/dummy/app/assets/stylesheets/**/*.scss\" \"spec/dummy/client/**/*.scss\" --fix")
+    scss_paths = "\"spec/dummy/app/assets/stylesheets/**/*.scss\" \"spec/dummy/client/**/*.scss\""
+    stylelint_cmd = "yarn run stylelint #{scss_paths} --fix"
+    sh_in_dir(gem_root, stylelint_cmd)
     sh_in_dir(gem_root, "bundle exec rubocop -A")
     puts "Completed auto-fixing all linting violations"
   end