Revert "feat: Enterprise DSS architecture implementation"

This reverts commit 9dbd56271e.

packages/dss-rules/rules/accessibility.json

@@ -3,20 +3,22 @@
   "id": "accessibility",
   "version": "1.0.0",
   "name": "Accessibility Rules",
-  "description": "WCAG 2.1 AA compliance rules (token-based, not computed)",
+  "description": "WCAG 2.1 AA compliance rules for accessible design",
   "category": "accessibility",
   "severity": "error",
   "rules": [
     {
       "id": "images-have-alt",
       "name": "Images Must Have Alt Text",
-      "description": "All img elements must have alt attribute",
+      "description": "All img elements must have meaningful alt text or be marked decorative",
       "severity": "error",
       "wcag": "1.1.1",
       "validation": {
         "type": "attribute-required",
         "element": "img",
-        "attribute": "alt"
+        "attribute": "alt",
+        "allowEmpty": true,
+        "emptyMeansDecorative": true
       }
     },
     {
@@ -27,7 +29,8 @@
       "wcag": "4.1.2",
       "validation": {
         "type": "accessible-name",
-        "elements": ["button", "[role=button]"]
+        "elements": ["button", "[role=button]"],
+        "sources": ["text content", "aria-label", "aria-labelledby"]
       }
     },
     {
@@ -38,38 +41,71 @@
       "wcag": "1.3.1",
       "validation": {
         "type": "label-association",
-        "elements": ["input", "select", "textarea"]
+        "elements": ["input", "select", "textarea"],
+        "methods": ["for/id", "aria-labelledby", "aria-label", "wrapper"]
       }
     },
     {
-      "id": "no-focus-outline-none",
-      "name": "Do Not Remove Focus Outline",
-      "description": "Never use outline: none on focusable elements",
+      "id": "focus-visible",
+      "name": "Focus Must Be Visible",
+      "description": "Interactive elements must have visible focus indicators",
       "severity": "error",
       "wcag": "2.4.7",
-      "patterns": {
-        "forbidden": [
-          "outline:\\s*none",
-          "outline:\\s*0(?![0-9])",
-          ":focus\\s*\\{[^}]*outline:\\s*none"
-        ]
+      "validation": {
+        "type": "focus-style",
+        "minContrastRatio": 3.0,
+        "forbiddenPatterns": ["outline: none", "outline: 0", ":focus { outline: none }"]
       }
     },
+    {
+      "id": "color-not-only",
+      "name": "Color Not Only Indicator",
+      "description": "Information must not be conveyed by color alone",
+      "severity": "warning",
+      "wcag": "1.4.1",
+      "guidelines": [
+        "Error states need icon + color + text",
+        "Links in text need underline or other indicator",
+        "Status indicators need icon or pattern"
+      ]
+    },
     {
       "id": "touch-target-size",
       "name": "Minimum Touch Target Size",
-      "description": "Interactive elements should be at least 44x44 CSS pixels",
+      "description": "Interactive elements must be at least 44x44 CSS pixels",
       "severity": "warning",
       "wcag": "2.5.5",
-      "guidelines": [
-        "Use Button component which ensures minimum size",
-        "Ensure clickable areas have sufficient padding"
-      ]
+      "validation": {
+        "type": "size-check",
+        "minWidth": 44,
+        "minHeight": 44,
+        "elements": ["button", "a", "[role=button]", "input[type=checkbox]", "input[type=radio]"]
+      }
+    },
+    {
+      "id": "keyboard-navigation",
+      "name": "Keyboard Navigation",
+      "description": "All functionality must be accessible via keyboard",
+      "severity": "error",
+      "wcag": "2.1.1",
+      "validation": {
+        "type": "keyboard-accessible",
+        "requirements": [
+          "All interactive elements focusable",
+          "No keyboard traps",
+          "Logical tab order",
+          "Skip links for navigation"
+        ]
+      }
     }
   ],
   "compliance": {
     "level": "AA",
     "standards": ["WCAG 2.1"],
-    "note": "Computed checks (contrast ratio) require runtime analysis"
+    "testingTools": [
+      "axe-core",
+      "pa11y",
+      "lighthouse"
+    ]
   }
 }