fix(app): route new session shortcut through tabs (#35849)

packages/app/src/pages/session/use-session-commands.tsx

@@ -18,8 +18,6 @@ import { createSessionTabs } from "@/pages/session/helpers"
 import { extractPromptFromParts } from "@/utils/prompt"
 import { UserMessage } from "@opencode-ai/sdk/v2"
 import { useSessionLayout } from "@/pages/session/session-layout"
-import { useTabs } from "@/context/tabs"
-import { requireServerKey } from "@/utils/session-route"
 import { createSessionOwnership } from "./session-ownership"
 
 export type SessionCommandContext = {
@@ -48,7 +46,6 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
   const settings = useSettings()
   const sync = useSync()
   const terminal = useTerminal()
-  const sessionTabs = useTabs()
   const layout = useLayout()
   const navigate = useNavigate()
   const { params, sessionKey, tabs, view } = useSessionLayout()
@@ -419,9 +416,9 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
       title: language.t("command.session.new"),
       keybind: "mod+shift+s",
       slash: "new",
-      onSelect: () => {
-        if (params.serverKey) {
-          sessionTabs.newDraft({ server: requireServerKey(params.serverKey), directory: sdk().directory })
+      onSelect: (source) => {
+        if (settings.general.newLayoutDesigns()) {
+          command.trigger("tab.new", source)
           return
         }
         navigate(`/${params.dir}/session`)