completely refactored utilities for direct rendering, killed iframes

components/portal/BuyingGuideSwitcher.tsx

@@ -0,0 +1,60 @@
+"use client";
+
+import { useMemo } from "react";
+import { useSearchParams, useRouter } from "next/navigation";
+import dynamic from "next/dynamic";
+import { cn } from "@/lib/utils";
+
+// these should already exist under components/buying-guide/*
+const BuyingGuideList = dynamic(
+    () => import("@/components/buying-guide/BuyingGuideList"),
+                                { ssr: false }
+);
+const LaserFinderPanel = dynamic(
+    () => import("@/components/buying-guide/LaserFinderPanel"),
+                                 { ssr: false }
+);
+
+const TABS = [
+    { key: "list", label: "Guide" },
+{ key: "finder", label: "Laser Finder" },
+] as const;
+
+export default function BuyingGuideSwitcher() {
+    const sp = useSearchParams();
+    const router = useRouter();
+
+    const active = useMemo(() => {
+        const t = (sp.get("bg") || TABS[0].key).toLowerCase();
+        return TABS.some(x => x.key === t) ? t : TABS[0].key;
+    }, [sp]);
+
+    function setTab(k: string) {
+        const q = new URLSearchParams(sp.toString());
+        q.set("bg", k);
+        router.replace(`/portal/buying-guide?${q.toString()}`, { scroll: false });
+    }
+
+    return (
+        <div className="space-y-4">
+        <div className="flex gap-2">
+        {TABS.map(t => (
+            <button
+            key={t.key}
+            onClick={() => setTab(t.key)}
+            className={cn(
+                "rounded-md border px-3 py-1.5 text-sm",
+                active === t.key ? "bg-primary text-primary-foreground" : "hover:bg-muted"
+            )}
+            >
+            {t.label}
+            </button>
+        ))}
+        </div>
+
+        <div className="rounded-md border p-4">
+        {active === "finder" ? <LaserFinderPanel /> : <BuyingGuideList />}
+        </div>
+        </div>
+    );
+}

components/portal/LaserToolkitSwitcher.tsx

@@ -0,0 +1,58 @@
+// components/portal/LaserToolkitSwitcher.tsx
+"use client";
+
+import { useMemo } from "react";
+import { useSearchParams, useRouter } from "next/navigation";
+import { cn } from "@/lib/utils";
+import { TOOLKIT_TABS } from "@/components/utilities/laser-toolkit/registry";
+
+export default function LaserToolkitSwitcher() {
+    const sp = useSearchParams();
+    const router = useRouter();
+
+    const activeKey = useMemo(() => {
+        const def = TOOLKIT_TABS[0]?.key ?? "beam-spot-size";
+        const t = (sp.get("lt") || def).toLowerCase();
+        return TOOLKIT_TABS.some(x => x.key === t) ? t : def;
+    }, [sp]);
+
+    const active = useMemo(
+        () => TOOLKIT_TABS.find(x => x.key === activeKey) ?? TOOLKIT_TABS[0],
+                           [activeKey]
+    );
+
+    function setTab(k: string) {
+        const q = new URLSearchParams(sp.toString());
+        q.set("lt", k);
+        router.replace(`/portal/utilities?${q.toString()}`, { scroll: false });
+    }
+
+    if (!active) {
+        return <div className="text-sm text-zinc-400">No tools registered.</div>;
+    }
+
+    const ActiveCmp = active.component;
+
+    return (
+        <div className="space-y-4">
+        <div className="flex flex-wrap gap-2">
+        {TOOLKIT_TABS.map(t => (
+            <button
+            key={t.key}
+            onClick={() => setTab(t.key)}
+            className={cn(
+                "rounded-md border px-3 py-1.5 text-sm",
+                activeKey === t.key ? "bg-primary text-primary-foreground" : "hover:bg-muted"
+            )}
+            >
+            {t.label}
+            </button>
+        ))}
+        </div>
+
+        <div className="rounded-md border p-4">
+        <ActiveCmp />
+        </div>
+        </div>
+    );
+}

components/portal/UtilitySwitcher.tsx

@@ -2,6 +2,7 @@
 "use client";
 
 import { useEffect, useMemo, useRef, useState } from "react";
+import dynamic from "next/dynamic";
 import { useRouter, useSearchParams } from "next/navigation";
 import { cn } from "@/lib/utils";
 
@@ -10,44 +11,70 @@ type Item = {
     label: string;
     note?: string;
     icon?: string;      // optional icon (public/images/utils/<icon>)
-    href: string;       // absolute URL
+    href?: string;      // optional absolute URL (used if no component)
+    component?: React.ComponentType<{ embedded?: boolean }>;
 };
 
+// Lazy-load heavy utilities
+const BackgroundRemoverPanel = dynamic(
+    () => import("@/components/utilities/BackgroundRemoverPanel"),
+                                       { ssr: false }
+);
+const SVGNestPanel = dynamic(
+    () => import("@/components/utilities/SVGNestPanel"),
+                             { ssr: false }
+);
+const LaserToolkitSwitcher = dynamic(
+    () => import("@/components/portal/LaserToolkitSwitcher"),
+                                     { ssr: false }
+);
+// Inline File Server
+const FileBrowserPanel = dynamic(
+    () => import("@/components/utilities/files/FileBrowserPanel"),
+                                 { ssr: false }
+);
+
 const ITEMS: Item[] = [
-    // On-site (embed)
+    // ✅ Laser Toolkit now renders inline with sub-tabs
     {
         key: "laser-toolkit",
         label: "Laser Toolkit",
         note: "convert laser settings, interval and more",
         icon: "toolkit.png",
-        href: "https://makearmy.io/laser-toolkit",
+        component: LaserToolkitSwitcher,
+        href: "https://makearmy.io/laser-toolkit", // optional; component takes precedence
     },
+
+// ✅ File Server inline (no iframe)
 {
     key: "files",
     label: "File Server",
     note: "download from our file explorer",
     icon: "fs.png",
+    component: FileBrowserPanel,
     href: "https://makearmy.io/files",
 },
-{
-    key: "buying-guide",
-    label: "Buying Guide",
-    note: "reviews and listings for relevant products",
-    icon: "bg.png",
-    href: "https://makearmy.io/buying-guide",
-},
+
+// Buying Guide moved to main portal tab — remove here to avoid duplication
+// { key: "buying-guide", ... }
+
+// ✅ SVGnest inline (micro-frontend wrapper)
 {
     key: "svgnest",
     label: "SVGnest",
     note: "automatically nests parts and exports svg",
     icon: "nest.png",
+    component: SVGNestPanel,
     href: "https://makearmy.io/svgnest",
 },
+
+// ✅ Background Remover inline
 {
     key: "background-remover",
     label: "BG Remover",
     note: "open source background remover",
     icon: "bgrm.png",
+    component: BackgroundRemoverPanel,
     href: "https://makearmy.io/background-remover",
 },
 
@@ -75,7 +102,8 @@ const ITEMS: Item[] = [
 },
 ];
 
-function isExternal(urlStr: string) {
+function isExternal(urlStr: string | undefined) {
+    if (!urlStr) return false;
     try {
         const u = new URL(urlStr);
         return u.hostname !== "makearmy.io";
@@ -96,8 +124,17 @@ function toOnsitePath(urlStr: string): string {
 }
 
 function Panel({ item }: { item: Item }) {
-    const external = isExternal(item.href);
+    if (item.component) {
+        const Cmp = item.component;
+        return (
+            <div className="space-y-3">
+            {item.note ? <div className="text-sm opacity-70">{item.note}</div> : null}
+            <Cmp embedded />
+            </div>
+        );
+    }
 
+    const external = isExternal(item.href);
     if (external) {
         return (
             <div className="space-y-2 text-sm">
@@ -116,10 +153,10 @@ function Panel({ item }: { item: Item }) {
         );
     }
 
-    const src = toOnsitePath(item.href);
+    const src = toOnsitePath(item.href || "/");
     return (
         <div className="space-y-3">
-        <div className="text-sm opacity-70">{item.note}</div>
+        {item.note ? <div className="text-sm opacity-70">{item.note}</div> : null}
         <iframe
         key={src}
         src={src}
@@ -133,7 +170,7 @@ function Panel({ item }: { item: Item }) {
 export default function UtilitySwitcher() {
     const router = useRouter();
     const sp = useSearchParams();
-    const openedRef = useRef<string | null>(null); // prevent double window.open
+    const openedRef = useRef<string | null>(null);
     const [firstPaint, setFirstPaint] = useState(true);
 
     const activeKey = useMemo(() => {
@@ -152,23 +189,19 @@ export default function UtilitySwitcher() {
         router.replace(`/portal/utilities?${q.toString()}`, { scroll: false });
     }
 
-    // When landing on an external tab, open it once in a new tab.
     useEffect(() => {
         const item = activeItem;
         if (!item) return;
+        if (item.component) return;
         const external = isExternal(item.href);
         if (!external) return;
 
-        // Avoid duplicate opens in strict mode / re-renders
         if (openedRef.current === item.key) return;
         openedRef.current = item.key;
 
-        // Don’t auto-open on the very first paint if you prefer manual click only.
-        // Set to false to always auto-open, even on initial load of ?t=<external>.
         const AUTO_OPEN_ON_FIRST_PAINT = true;
-
         if (AUTO_OPEN_ON_FIRST_PAINT || !firstPaint) {
-            window.open(item.href, "_blank", "noopener,noreferrer");
+            window.open(item.href!, "_blank", "noopener,noreferrer");
         }
         // eslint-disable-next-line react-hooks/exhaustive-deps
     }, [activeItem?.key, activeItem?.href]);
@@ -181,7 +214,8 @@ export default function UtilitySwitcher() {
         <div>
         <div className="mb-4 flex flex-wrap items-center gap-2">
         {ITEMS.map((it) => {
-            const external = isExternal(it.href);
+            const isInline = Boolean(it.component);
+            const external = !isInline && isExternal(it.href);
             const iconSrc = it.icon ? `/images/utils/${it.icon}` : null;
             const isActive = it.key === activeKey;
             return (
@@ -189,9 +223,8 @@ export default function UtilitySwitcher() {
                 key={it.key}
                 onClick={() => {
                     setTab(it.key);
-                    if (external) {
-                        // Also open immediately on click
-                        window.open(it.href, "_blank", "noopener,noreferrer");
+                    if (!isInline && external) {
+                        window.open(it.href!, "_blank", "noopener,noreferrer");
                     }
                 }}
                 className={cn(
@@ -214,7 +247,7 @@ export default function UtilitySwitcher() {
                     />
                 ) : null}
                 <span className="truncate">{it.label}</span>
-                {external && (
+                {!isInline && external && (
                     <span className="rounded bg-muted px-1 py-0.5 text-[10px] uppercase tracking-wide text-muted-foreground">
                     new tab
                     </span>