built user portal behind auth

components/portal/SettingsSwitcher.tsx

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+// components/portal/SettingsSwitcher.tsx
+"use client";
+
+import { useRouter, useSearchParams } from "next/navigation";
+import dynamic from "next/dynamic";
+import { cn } from "@/lib/utils";
+
+/**
+ * IMPORTANT:
+ * We dynamically import the existing settings pages so you do NOT have to move their contents.
+ * These imports point directly at your canonical routes:
+ *   /app/settings/fiber/page.tsx
+ *   /app/settings/uv/page.tsx
+ *   /app/settings/co2-galvo/page.tsx
+ *   /app/settings/co2-gantry/page.tsx
+ *
+ * If any of those filenames differ, update the paths below accordingly.
+ */
+const FiberPanel = dynamic(() => import("@/app/settings/fiber/page"), { ssr: false });
+const UVPanel = dynamic(() => import("@/app/settings/uv/page"), { ssr: false });
+const CO2GalvoPanel = dynamic(() => import("@/app/settings/co2-galvo/page"), { ssr: false });
+const CO2GantryPanel = dynamic(() => import("@/app/settings/co2-gantry/page"), { ssr: false });
+
+const TABS = [
+    { key: "fiber", label: "Fiber" },
+{ key: "uv", label: "UV" },
+{ key: "co2-galvo", label: "CO₂ Galvo" },
+{ key: "co2-gantry", label: "CO₂ Gantry" },
+];
+
+function Panel({ tab }: { tab: string }) {
+    switch (tab) {
+        case "fiber": return <FiberPanel />;
+        case "uv": return <UVPanel />;
+        case "co2-galvo": return <CO2GalvoPanel />;
+        case "co2-gantry": return <CO2GantryPanel />;
+        default: return <FiberPanel />;
+    }
+}
+
+export default function SettingsSwitcher() {
+    const router = useRouter();
+    const sp = useSearchParams();
+    const active = sp.get("t") || "fiber";
+
+    function setTab(nextKey: string) {
+        const q = new URLSearchParams(sp.toString());
+        q.set("t", nextKey);
+        router.replace(`/portal/laser-settings?${q.toString()}`, { scroll: false });
+    }
+
+    return (
+        <div>
+        {/* sub-tabs */}
+        <div className="mb-4 flex flex-wrap items-center gap-2">
+        {TABS.map(({ key, label }) => (
+            <button
+            key={key}
+            onClick={() => setTab(key)}
+            className={cn(
+                "rounded-md border px-3 py-1.5 text-sm transition",
+                active === key ? "bg-primary text-primary-foreground" : "hover:bg-muted"
+            )}
+            >
+            {label}
+            </button>
+        ))}
+        </div>
+
+        {/* panel */}
+        <div className="rounded-md border p-4">
+        <Panel tab={active} />
+        </div>
+        </div>
+    );
+}