iter(g239): 焦点描边令牌化，outline 收敛为三档复合令牌并纳入审计第十四类

packages/design/tokens/tokens.json

@@ -246,6 +246,18 @@
     "ringSelected": {
       "light": "0 0 0 2px var(--ua-color-accent)",
       "dark": "0 0 0 2px var(--ua-color-accent)"
+    },
+    "outline": {
+      "light": "2px solid var(--ua-color-accent)",
+      "dark": "2px solid var(--ua-color-accent)"
+    },
+    "outlineInset": {
+      "light": "1.5px solid var(--ua-color-accent-soft)",
+      "dark": "1.5px solid var(--ua-color-accent-soft)"
+    },
+    "outlineSoft": {
+      "light": "2px solid color-mix(in srgb, var(--ua-color-accent) var(--ua-alpha-mid), transparent)",
+      "dark": "2px solid color-mix(in srgb, var(--ua-color-accent) var(--ua-alpha-mid), transparent)"
     }
   },
   "control": {