feat(app): make the New tab launcher keyboard-first

Cmd/Ctrl+T now opens the focused pane's launcher, while explicit target shortcuts bypass the menu. Dispatcher ownership is scoped to the app tree so retained workspaces cannot intercept commands.

packages/app/src/command-center/command-center.tsx

@@ -44,7 +44,7 @@ import {
   type CommandCenterScope,
 } from "@/stores/keyboard-shortcuts-store";
 import { navigateToWorkspace } from "@/stores/navigation-active-workspace-store";
-import { keyboardActionDispatcher } from "@/keyboard/keyboard-action-dispatcher";
+import { useKeyboardActionDispatcher } from "@/keyboard/keyboard-action-dispatcher-context";
 import {
   clearCommandCenterFocusRestoreElement,
   takeCommandCenterFocusRestoreElement,
@@ -220,6 +220,7 @@ interface CommandCenterState {
 }
 
 function useCommandCenterState(): CommandCenterState {
+  const keyboardActionDispatcher = useKeyboardActionDispatcher();
   const { t } = useTranslation();
   const open = useKeyboardShortcutsStore((state) => state.commandCenterOpen);
   const scope = useKeyboardShortcutsStore((state) => state.commandCenterScope);
@@ -321,7 +322,7 @@ function useCommandCenterState(): CommandCenterState {
         keyboardActionDispatcher.dispatch({ id: "message-input.focus", scope: "message-input" }),
     });
     return cancel;
-  }, [open]);
+  }, [keyboardActionDispatcher, open]);
 
   return {
     open,

packages/app/src/command-center/root-registration.tsx

@@ -16,7 +16,7 @@ import { withUnistyles } from "react-native-unistyles";
 import { getIsElectronRuntime } from "@/constants/layout";
 import { useKeyboardShortcutOverrides } from "@/hooks/use-keyboard-shortcut-overrides";
 import { useOpenAddProject } from "@/hooks/use-open-add-project";
-import { keyboardActionDispatcher } from "@/keyboard/keyboard-action-dispatcher";
+import { useKeyboardActionDispatcher } from "@/keyboard/keyboard-action-dispatcher-context";
 import { useKeyboardShortcutsAvailable } from "@/keyboard/availability";
 import { resolveShortcutKeysForAction } from "@/keyboard/keyboard-shortcuts";
 import { useKeyboardShortcutsStore } from "@/stores/keyboard-shortcuts-store";
@@ -92,6 +92,7 @@ function CircleDashedIcon({ size }: CommandCenterIconProps) {
 }
 
 export function CommandCenterRootActions() {
+  const keyboardActionDispatcher = useKeyboardActionDispatcher();
   const { t } = useTranslation();
   const { overrides } = useKeyboardShortcutOverrides();
   const shortcutsAvailable = useKeyboardShortcutsAvailable();
@@ -266,6 +267,7 @@ export function CommandCenterRootActions() {
   }, [
     groupMode,
     homeRoute,
+    keyboardActionDispatcher,
     openAddProject,
     overrides,
     schedulesRoute,

packages/app/src/command-center/workspace-contributions.test.ts

@@ -114,7 +114,7 @@ describe("workspace command center contributions", () => {
     for (const contribution of contributions) contribution.run();
 
     expect(fixture.dispatched).toEqual([
-      { id: "workspace.tab.new", scope: "workspace" },
+      { id: "workspace.agent.new", scope: "workspace" },
       { id: "workspace.terminal.new", scope: "workspace" },
       { id: "workspace.browser.new", scope: "workspace" },
       { id: "workspace.pane.split.right", scope: "workspace" },

packages/app/src/command-center/workspace-contributions.ts

@@ -108,7 +108,7 @@ export function buildWorkspaceCommandCenterContributions(
       keywords: ["tab", "new", "agent", "chat"],
       icon: source.icons.newAgent,
       shortcutKeys: source.shortcuts.newAgent,
-      action: { id: "workspace.tab.new", scope: "workspace" },
+      action: { id: "workspace.agent.new", scope: "workspace" },
       visibility: "always",
     }),
   ];

packages/app/src/command-center/workspace-registration.tsx

@@ -10,7 +10,7 @@ import {
   resolveShortcutKeysForAction,
   type ShortcutOverrides,
 } from "@/keyboard/keyboard-shortcuts";
-import { keyboardActionDispatcher } from "@/keyboard/keyboard-action-dispatcher";
+import { useKeyboardActionDispatcher } from "@/keyboard/keyboard-action-dispatcher-context";
 import { useActiveWorkspaceSelection } from "@/stores/navigation-active-workspace-store";
 import { useWorkspaceDirectory } from "@/stores/session-store-hooks";
 import { clearCommandCenterFocusRestoreElement } from "@/utils/command-center-focus-restore";
@@ -55,6 +55,7 @@ function resolveWorkspaceShortcuts(overrides: ShortcutOverrides): WorkspaceComma
 }
 
 export function useWorkspaceCommandCenterActions(): void {
+  const keyboardActionDispatcher = useKeyboardActionDispatcher();
   const { t } = useTranslation();
   const selection = useActiveWorkspaceSelection();
   const serverId = selection?.serverId ?? null;
@@ -96,7 +97,7 @@ export function useWorkspaceCommandCenterActions(): void {
         },
         runGitAction,
       }),
-    [gitActions, isCompact, overrides, runGitAction, t],
+    [gitActions, isCompact, keyboardActionDispatcher, overrides, runGitAction, t],
   );
 
   useCommandCenterActions({