fix(app): make cmd+o work regardless of sidebar visibility

The worktree.new keyboard handler was registered inside ProjectHeaderRow,
which only mounts when the sidebar is open. Register a single global handler
in the app layout keyed off the navigation-active workspace selection.

packages/app/src/app/_layout.tsx

@@ -64,6 +64,7 @@ import { ProjectPickerModal } from "@/components/project-picker-modal";
 import { KeyboardShortcutsDialog } from "@/components/keyboard-shortcuts-dialog";
 import { WorkspaceSetupDialog } from "@/components/workspace-setup-dialog";
 import { useKeyboardShortcuts } from "@/hooks/use-keyboard-shortcuts";
+import { useActiveWorktreeNewAction } from "@/hooks/use-active-worktree-new-action";
 import { queryClient } from "@/query/query-client";
 import {
   WEB_NOTIFICATION_CLICK_EVENT,
@@ -443,6 +444,8 @@ function AppContainer({
     cycleTheme,
   });
 
+  useActiveWorktreeNewAction();
+
   const containerStyle = useMemo(
     () => ({ flex: 1 as const, backgroundColor: theme.colors.surface0 }),
     [theme.colors.surface0],

packages/app/src/components/sidebar-workspace-list.tsx

@@ -797,17 +797,6 @@ function ProjectHeaderRow({
   const mergeWorkspaces = useSessionStore((state) => state.mergeWorkspaces);
   const toast = useToast();
 
-  useKeyboardActionHandler({
-    handlerId: `worktree-new-${project.projectKey}`,
-    actions: ["worktree.new"],
-    enabled: isProjectActive && canCreateWorktree && Boolean(serverId),
-    priority: 0,
-    handle: () => {
-      handleBeginWorkspaceSetup();
-      return true;
-    },
-  });
-
   const interaction = useLongPressDragInteraction({
     drag,
     menuController,

packages/app/src/hooks/use-active-worktree-new-action.ts

@@ -0,0 +1,58 @@
+import { useCallback } from "react";
+import { router } from "expo-router";
+import { useKeyboardActionHandler } from "@/hooks/use-keyboard-action-handler";
+import type { KeyboardActionId } from "@/keyboard/keyboard-action-dispatcher";
+import { useNavigationActiveWorkspaceSelection } from "@/stores/navigation-active-workspace-store";
+import { useSessionStore } from "@/stores/session-store";
+import { buildHostNewWorkspaceRoute } from "@/utils/host-routes";
+import { projectDisplayNameFromProjectId } from "@/utils/project-display-name";
+
+const WORKTREE_NEW_ACTIONS: readonly KeyboardActionId[] = ["worktree.new"];
+
+export function useActiveWorktreeNewAction() {
+  const selection = useNavigationActiveWorkspaceSelection();
+  const serverId = selection?.serverId ?? null;
+  const workspaceId = selection?.workspaceId ?? null;
+
+  const workingDir = useSessionStore((state) => {
+    if (!serverId || !workspaceId) {
+      return null;
+    }
+    const workspace = state.sessions[serverId]?.workspaces?.get(workspaceId);
+    if (!workspace || workspace.projectKind !== "git") {
+      return null;
+    }
+    return workspace.projectRootPath;
+  });
+
+  const displayName = useSessionStore((state) => {
+    if (!serverId || !workspaceId) {
+      return null;
+    }
+    const workspace = state.sessions[serverId]?.workspaces?.get(workspaceId);
+    if (!workspace || workspace.projectKind !== "git") {
+      return null;
+    }
+    return workspace.projectDisplayName || projectDisplayNameFromProjectId(workspace.projectId);
+  });
+
+  const handle = useCallback(() => {
+    if (!serverId || !workingDir) {
+      return false;
+    }
+    router.navigate(
+      buildHostNewWorkspaceRoute(serverId, workingDir, {
+        displayName: displayName ?? undefined,
+      }) as never,
+    );
+    return true;
+  }, [serverId, workingDir, displayName]);
+
+  useKeyboardActionHandler({
+    handlerId: "worktree-new-active",
+    actions: WORKTREE_NEW_ACTIONS,
+    enabled: serverId !== null && workingDir !== null,
+    priority: 0,
+    handle,
+  });
+}