feat(web): MS23-P3-003 OpenClaw provider config UI

apps/web/src/app/(authenticated)/settings/page.tsx

@@ -227,6 +227,33 @@ const categories: CategoryConfig[] = [
       </svg>
     ),
   },
+  {
+    title: "Agent Providers",
+    description:
+      "Register OpenClaw gateway URLs and API tokens for external agent provider routing.",
+    href: "/settings/agent-providers",
+    accent: "var(--ms-blue-400)",
+    iconBg: "rgba(47, 128, 255, 0.12)",
+    icon: (
+      <svg
+        width="20"
+        height="20"
+        viewBox="0 0 20 20"
+        fill="none"
+        stroke="currentColor"
+        strokeWidth="1.5"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        aria-hidden="true"
+      >
+        <path d="M4 6.5h12" />
+        <path d="M6.5 10h7" />
+        <path d="M4 13.5h12" />
+        <circle cx="5.5" cy="10" r="1.5" />
+        <circle cx="14.5" cy="10" r="1.5" />
+      </svg>
+    ),
+  },
   {
     title: "Agent Config",
     description: "Choose primary and fallback models, plus optional personality/SOUL instructions.",