diff --git a/packages/app/src/composer/agent-controls/model-sheet-flow.test.ts b/packages/app/src/composer/agent-controls/model-sheet-flow.test.ts
index a3f41b791..1bf71521a 100644
--- a/packages/app/src/composer/agent-controls/model-sheet-flow.test.ts
+++ b/packages/app/src/composer/agent-controls/model-sheet-flow.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from "vitest";
 import type { ProviderSelectorProvider } from "@/provider-selection/provider-selection";
-import { resolveModelSheetOpening } from "./model-sheet-flow";
+import { resolveModelBrowserScrolling, resolveModelSheetOpening } from "./model-sheet-flow";
 
 function provider(id: string, label: string): ProviderSelectorProvider {
   return { id, label, modelSelection: { kind: "models", rows: [] } };
@@ -40,3 +40,13 @@ describe("model sheet opening", () => {
     ).toEqual({ kind: "provider", providerId: "codex", providerLabel: "Codex" });
   });
 });
+
+describe("model sheet gesture ownership", () => {
+  it("uses the sheet-aware model browser inside compact bottom sheets", () => {
+    expect(resolveModelBrowserScrolling(true)).toBe("sheet");
+  });
+
+  it("keeps independent scrolling in the desktop split viewport", () => {
+    expect(resolveModelBrowserScrolling(false)).toBe("independent");
+  });
+});
diff --git a/packages/app/src/composer/agent-controls/model-sheet-flow.ts b/packages/app/src/composer/agent-controls/model-sheet-flow.ts
index 192689e78..4158f9075 100644
--- a/packages/app/src/composer/agent-controls/model-sheet-flow.ts
+++ b/packages/app/src/composer/agent-controls/model-sheet-flow.ts
@@ -1,6 +1,10 @@
 import type { ModelBrowserView } from "@/components/model-browser-view";
 import type { ProviderSelectorProvider } from "@/provider-selection/provider-selection";
 
+export function resolveModelBrowserScrolling(usesBottomSheet: boolean): "sheet" | "independent" {
+  return usesBottomSheet ? "sheet" : "independent";
+}
+
 export function resolveModelSheetOpening({
   canSwitchProvider,
   providers,
diff --git a/packages/app/src/composer/agent-controls/model-sheet.tsx b/packages/app/src/composer/agent-controls/model-sheet.tsx
index 1959e4171..36564db4b 100644
--- a/packages/app/src/composer/agent-controls/model-sheet.tsx
+++ b/packages/app/src/composer/agent-controls/model-sheet.tsx
@@ -11,7 +11,10 @@ import { getProviderIcon } from "@/components/provider-icons";
 import { ModelBrowser, useModelBrowser } from "@/components/model-browser";
 import { AgentControlTrigger } from "@/composer/agent-controls/control";
 import { ComposerToolbarGlyph } from "@/composer/agent-controls/glyph";
-import { resolveModelSheetOpening } from "@/composer/agent-controls/model-sheet-flow";
+import {
+  resolveModelBrowserScrolling,
+  resolveModelSheetOpening,
+} from "@/composer/agent-controls/model-sheet-flow";
 import type { ProviderSelectorProvider } from "@/provider-selection/provider-selection";
 import { useIsCompactFormFactor } from "@/constants/layout";
 import { isWeb } from "@/constants/platform";
@@ -71,6 +74,7 @@ export function CompactModelSheet({
 }: CompactModelSheetProps) {
   const { t } = useTranslation();
   const usesBottomSheet = useIsCompactFormFactor();
+  const modelBrowserScrolling = resolveModelBrowserScrolling(usesBottomSheet);
   const [isOpen, setIsOpen] = useState(false);
   const [isModelBrowserOpen, setIsModelBrowserOpen] = useState(false);
   const availableProviders = useMemo(() => {
@@ -282,7 +286,7 @@ export function CompactModelSheet({
             onEditProfiles={onEditProfiles ? handleEditProfiles : undefined}
             onRetryProvider={onRetryProvider}
             isRetryingProvider={isRetryingProvider}
-            scrolling="independent"
+            scrolling={modelBrowserScrolling}
             searchAllOnFocus={usesBottomSheet}
             rootBrowseContent={usesBottomSheet ? mobileRootContent : undefined}
           />
@@ -324,7 +328,7 @@ export function CompactModelSheet({
               onSelect={handleBrowserSelect}
               onRetryProvider={onRetryProvider}
               isRetryingProvider={isRetryingProvider}
-              scrolling="independent"
+              scrolling={modelBrowserScrolling}
               searchAllOnFocus
             />
           </View>