feat(admin-web): expose AI point balance and usage ledger

Surfaces the new AI point quota in the workspace shell and adds a
Personal Center → AI Point Usage page that shows balance, base-char
rule, and the paginated reservation/refund history. Updates shared
types for the QuotaSummary and ledger payloads.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/admin-web/src/router/index.ts

@@ -231,6 +231,16 @@ const router = createRouter({
             navKey: "/articles/templates",
           },
         },
+        {
+          path: "account/ai-points",
+          name: "account-ai-points",
+          component: () => import("@/views/AIPointUsageView.vue"),
+          meta: {
+            titleKey: "route.aiPoints.title",
+            descriptionKey: "route.aiPoints.description",
+            navKey: "/account/ai-points",
+          },
+        },
       ],
     },
   ],