fix(app): restore compact model sheet gestures

Compact bottom sheets were still using the legacy independent-scroll gesture path, which intercepted Android sheet pans and row taps. Keep that path only for the desktop split viewport and let compact model browsers participate in sheet gesture handling.

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>