Add keyboard shortcut to create a new workspace

Cmd+N (Ctrl+N off mac) navigates to the new-workspace route through a
global handler keyed on the active host. The sidebar header row surfaces
the shortcut hint on hover, replacing the redundant "+" button that
duplicated the action in the Workspaces section header.

packages/app/src/keyboard/actions.ts

@@ -41,6 +41,7 @@ export type KeyboardActionId =
   | "command-center.toggle"
   | "shortcuts.dialog.toggle"
   | "workspace.terminal.new"
+  | "workspace.new"
   | "worktree.new"
   | "worktree.archive"
   | "view.toggle.focus"

packages/app/src/keyboard/keyboard-action-dispatcher.ts

@@ -26,6 +26,7 @@ export type KeyboardActionId =
   | "workspace.pane.close"
   | "workspace.terminal.new"
   | "sidebar.toggle.right"
+  | "workspace.new"
   | "worktree.new"
   | "worktree.archive";
 
@@ -55,6 +56,7 @@ export type KeyboardActionDefinition =
   | { id: "workspace.pane.close"; scope: KeyboardActionScope }
   | { id: "workspace.terminal.new"; scope: KeyboardActionScope }
   | { id: "sidebar.toggle.right"; scope: KeyboardActionScope }
+  | { id: "workspace.new"; scope: KeyboardActionScope }
   | { id: "worktree.new"; scope: KeyboardActionScope }
   | { id: "worktree.archive"; scope: KeyboardActionScope };
 

packages/app/src/keyboard/keyboard-shortcuts.test.ts

@@ -128,6 +128,18 @@ describe("keyboard-shortcuts", () => {
       context: { isMac: true },
       action: "agent.new",
     },
+    {
+      name: "matches Cmd+N to create new workspace on mac",
+      event: { key: "n", code: "KeyN", metaKey: true },
+      context: { isMac: true, commandCenterOpen: false },
+      action: "workspace.new",
+    },
+    {
+      name: "matches Ctrl+N to create new workspace on non-mac",
+      event: { key: "n", code: "KeyN", ctrlKey: true },
+      context: { isMac: false, commandCenterOpen: false, focusScope: "other" },
+      action: "workspace.new",
+    },
     {
       name: "matches question-mark shortcut to toggle the shortcuts dialog",
       event: { key: "?", code: "Slash", shiftKey: true },
@@ -564,6 +576,7 @@ describe("keyboard-shortcut help sections", () => {
       context: { isMac: true, isDesktop: true },
       expectedKeys: {
         "new-agent": ["mod", "shift", "O"],
+        "new-workspace": ["mod", "N"],
         "workspace-tab-new": ["mod", "T"],
         "workspace-jump-index": ["mod", "1-9"],
         "workspace-tab-jump-index": ["mod", "alt", "1-9"],

packages/app/src/keyboard/keyboard-shortcuts.ts

@@ -120,6 +120,7 @@ const SHORTCUT_HELP_SECTION_LABEL_KEYS: Record<ShortcutSectionId, string> = {
 
 const SHORTCUT_HELP_LABEL_KEYS: Record<string, string> = {
   "new-agent": "settings.shortcuts.help.openProject",
+  "new-workspace": "settings.shortcuts.help.newWorkspace",
   "new-worktree": "settings.shortcuts.help.newWorktree",
   "archive-worktree": "settings.shortcuts.help.archiveWorktree",
   "workspace-tab-new": "settings.shortcuts.help.newTab",
@@ -190,6 +191,32 @@ const SHORTCUT_BINDINGS: readonly ShortcutBinding[] = [
     },
   },
 
+  // --- New workspace ---
+  {
+    id: "workspace-new-cmd-n-mac",
+    action: "workspace.new",
+    combo: "Cmd+N",
+    when: { mac: true, commandCenter: false },
+    help: {
+      id: "new-workspace",
+      section: "projects",
+      label: "New workspace",
+      keys: ["mod", "N"],
+    },
+  },
+  {
+    id: "workspace-new-ctrl-n-non-mac",
+    action: "workspace.new",
+    combo: "Ctrl+N",
+    when: { mac: false, commandCenter: false, terminal: false },
+    help: {
+      id: "new-workspace",
+      section: "projects",
+      label: "New workspace",
+      keys: ["mod", "N"],
+    },
+  },
+
   // --- New worktree ---
   {
     id: "worktree-new-cmd-o-mac",

packages/app/src/keyboard/route-shortcut.test.ts

@@ -29,6 +29,7 @@ describe("routeKeyboardShortcut — dispatch passthroughs", () => {
   it.each([
     ["agent.interrupt", { id: "agent.interrupt", scope: "global" }],
     ["workspace.tab.new", { id: "workspace.tab.new", scope: "workspace" }],
+    ["workspace.new", { id: "workspace.new", scope: "sidebar" }],
     ["worktree.archive", { id: "worktree.archive", scope: "sidebar" }],
     ["worktree.new", { id: "worktree.new", scope: "sidebar" }],
     ["workspace.terminal.new", { id: "workspace.terminal.new", scope: "workspace" }],

packages/app/src/keyboard/route-shortcut.ts

@@ -45,6 +45,7 @@ const NONE: ShortcutAction = { kind: "none" };
 const PASSTHROUGH_DISPATCH: Record<string, KeyboardActionDefinition> = {
   "agent.interrupt": { id: "agent.interrupt", scope: "global" },
   "workspace.tab.new": { id: "workspace.tab.new", scope: "workspace" },
+  "workspace.new": { id: "workspace.new", scope: "sidebar" },
   "worktree.archive": { id: "worktree.archive", scope: "sidebar" },
   "worktree.new": { id: "worktree.new", scope: "sidebar" },
   "workspace.terminal.new": { id: "workspace.terminal.new", scope: "workspace" },