diff --git a/go/jsruntime/uikit/CrmTabs.tsx b/go/jsruntime/uikit/CrmTabs.tsx
index 1659c42e..d058ad40 100644
--- a/go/jsruntime/uikit/CrmTabs.tsx
+++ b/go/jsruntime/uikit/CrmTabs.tsx
@@ -1,4 +1,4 @@
-import { createSignal, onCleanup, onMount, Show, For, JSXElement } from "solid-js";
+import { createSignal, createMemo, onCleanup, onMount, Show, For, JSXElement } from "solid-js";
 
 // CrmTabGroup / CrmSubTabGroup — drop-in, behaviourally identical siblings of
 // TabGroup (same props, storageKey syncing, controlled/uncontrolled index) with
@@ -26,13 +26,15 @@ function resolveCrmBadge(badge: number | undefined): number | undefined {
 
 // Shared active-index state: mirrors TabGroup exactly (localStorage persistence,
 // cross-component sync via synthetic storage events, optional controlled index).
-function createCrmTabState(props: CrmTabGroupProps) {
+// Takes the memoized `items` accessor (not props.items) so length checks read the
+// same single evaluation the render does — see the createMemo note in CrmTabGroup.
+function createCrmTabState(props: CrmTabGroupProps, items: () => CrmTabItem[]) {
     const getInitialIndex = () => {
         if (props.storageKey) {
             const stored = localStorage.getItem(props.storageKey);
             if (stored !== null) {
                 const parsed = parseInt(stored, 10);
-                if (!isNaN(parsed) && parsed >= 0 && parsed < props.items.length) {
+                if (!isNaN(parsed) && parsed >= 0 && parsed < items().length) {
                     return parsed;
                 }
             }
@@ -65,7 +67,7 @@ function createCrmTabState(props: CrmTabGroupProps) {
         const handler = (e: StorageEvent) => {
             if (e.key !== props.storageKey || e.newValue == null) return;
             const n = parseInt(e.newValue, 10);
-            if (!isNaN(n) && n >= 0 && n < props.items.length && n !== _activeIndex()) {
+            if (!isNaN(n) && n >= 0 && n < items().length && n !== _activeIndex()) {
                 _setActiveIndex(n);
                 props.onTabChange && props.onTabChange(n);
             }
@@ -103,11 +105,19 @@ const CRM_TAB_ACTIVE = "border-x border-t-2 border-t-sky-700 text-primary";
 const CRM_TAB_BADGE = "inline-flex items-center justify-center min-w-5 h-5 px-1 text-xs font-semibold bg-primary text-white rounded-full";
 
 export function CrmTabGroup(props: CrmTabGroupProps) {
-    const { activeIndex, setActiveIndex } = createCrmTabState(props);
+    // Memoize props.items: callers pass items={[{content: <Comp/>}]} where each
+    // `content` is eager JSX, and Solid re-evaluates a `prop={expr}` getter on every
+    // read. Reading props.items directly (in the button For, the content For, and the
+    // length checks reached from the onclick handler) would re-run createComponent on
+    // every tab's content each time — and the read inside setActiveIndex happens outside
+    // the render owner, so those rebuilt components lose their provider context
+    // (useToast/useModal throw). The memo evaluates the tree once, inside this owner.
+    const items = createMemo(() => props.items);
+    const { activeIndex, setActiveIndex } = createCrmTabState(props, items);
 
     return <div class="w-full">
         <div class={CRM_TAB_ROW}>
-            <For each={props.items}>{(item: CrmTabItem, index: () => number) => (
+            <For each={items()}>{(item: CrmTabItem, index: () => number) => (
                 <button type="button" onclick={() => setActiveIndex(index())} class={CRM_TAB_BASE + " " + (index() === activeIndex() ? CRM_TAB_ACTIVE : CRM_TAB_INACTIVE)}>
                     {item.title}
                     <Show when={(() => {
@@ -121,7 +131,7 @@ export function CrmTabGroup(props: CrmTabGroupProps) {
             <div class="flex-1 border-b border-line-strong"></div>
         </div>
         <div>
-            {crmTabContent(props.items, activeIndex)}
+            {crmTabContent(items(), activeIndex)}
         </div>
     </div>;
 }
@@ -141,12 +151,14 @@ const CRM_SUBTAB_INACTIVE = "bg-surface text-ink-soft hover:bg-surface-raised ho
 const CRM_SUBTAB_BADGE = "inline-flex items-center justify-center min-w-5 h-5 px-1 text-xs font-semibold bg-black/10 text-current rounded-full";
 
 export function CrmSubTabGroup(props: CrmTabGroupProps) {
-    const { activeIndex, setActiveIndex } = createCrmTabState(props);
+    // See CrmTabGroup: memoize eager `content` JSX so it's built once, in-owner.
+    const items = createMemo(() => props.items);
+    const { activeIndex, setActiveIndex } = createCrmTabState(props, items);
 
     return <div class="w-full pt-3">
         <div class={CRM_SUBTAB_WRAP}>
             <div class={CRM_SUBTAB_GROUP}>
-                <For each={props.items}>{(item: CrmTabItem, index: () => number) => (
+                <For each={items()}>{(item: CrmTabItem, index: () => number) => (
                     <button type="button" onclick={() => setActiveIndex(index())} class={CRM_SUBTAB_BASE + (index() > 0 ? " " + CRM_SUBTAB_DIVIDER : "") + " " + (index() === activeIndex() ? CRM_SUBTAB_ACTIVE : CRM_SUBTAB_INACTIVE)}>
                         {item.title}
                         <Show when={(() => {
@@ -160,7 +172,7 @@ export function CrmSubTabGroup(props: CrmTabGroupProps) {
             </div>
         </div>
         <div class="pt-3">
-            {crmTabContent(props.items, activeIndex)}
+            {crmTabContent(items(), activeIndex)}
         </div>
     </div>;
 }