fix(app): disable legacy file tree in new layout

packages/app/src/components/settings-v2/general.tsx

@@ -420,18 +420,6 @@ export const SettingsGeneralV2: Component<{
       <h3 class="settings-v2-section-title">{language.t("settings.general.section.advanced")}</h3>
 
       <SettingsListV2>
-        <SettingsRowV2
-          title={language.t("settings.general.row.showFileTree.title")}
-          description={language.t("settings.general.row.showFileTree.description")}
-        >
-          <div data-action="settings-show-file-tree">
-            <Switch
-              checked={settings.general.showFileTree()}
-              onChange={(checked) => settings.general.setShowFileTree(checked)}
-            />
-          </div>
-        </SettingsRowV2>
-
         <SettingsRowV2
           title={language.t("settings.general.row.showSearch.title")}
           description={language.t("settings.general.row.showSearch.description")}

packages/app/src/context/settings.tsx

@@ -367,6 +367,11 @@ export const { use: useSettings, provider: SettingsProvider } = createSimpleCont
       setStore("general", "followup", "steer")
     })
 
+    createEffect(() => {
+      if (!ready() || !newLayoutDesigns() || store.general?.showFileTree !== true) return
+      setStore("general", "showFileTree", false)
+    })
+
     return {
       ready,
       get current() {
@@ -465,7 +470,7 @@ export const { use: useSettings, provider: SettingsProvider } = createSimpleCont
         },
       },
       visibility: {
-        fileTree: visible(showFileTree),
+        fileTree: createMemo(() => !newLayoutDesigns()),
         search: visible(showSearch),
         status: visible(showStatus),
         customAgents: visible(showCustomAgents),