fix: support ctrl plus zoom accelerator

frontend/src/main.ts

@@ -56,6 +56,7 @@ import { connectSupervisor, type SupervisorLinkHandle } from "./main/supervisor-
 import { shouldLinkOnAttach } from "./main/daemon-owner";
 import { readMigrationState, updateMigration, writeAppStateMarker, type MigrationState } from "./main/app-state";
 import { isAllowedAppExternalURL, openAllowedAppExternalURL } from "./main/external-open";
+import { buildWindowsAppMenuTemplate } from "./main/menu";
 
 // Globals injected at compile time by @electron-forge/plugin-vite.
 declare const MAIN_WINDOW_VITE_DEV_SERVER_URL: string | undefined;
@@ -242,37 +243,7 @@ function setDaemonStatus(nextStatus: DaemonStatus): void {
 // DevTools, zoom, full screen, edit commands) and each acts on the *focused*
 // webContents — including a BrowserView panel — matching native menu behaviour.
 function buildWindowsAppMenu(): Menu {
-	return Menu.buildFromTemplate([
-		{
-			label: "Edit",
-			submenu: [
-				{ role: "undo" },
-				{ role: "redo" },
-				{ type: "separator" },
-				{ role: "cut" },
-				{ role: "copy" },
-				{ role: "paste" },
-				{ role: "selectAll" },
-			],
-		},
-		{
-			label: "View",
-			submenu: [
-				{ role: "reload" },
-				{ role: "toggleDevTools" },
-				{ type: "separator" },
-				{ role: "resetZoom" },
-				{ role: "zoomIn" },
-				{ role: "zoomOut" },
-				{ type: "separator" },
-				{ role: "togglefullscreen" },
-			],
-		},
-		{
-			label: "Window",
-			submenu: [{ role: "minimize" }, { role: "close" }],
-		},
-	]);
+	return Menu.buildFromTemplate(buildWindowsAppMenuTemplate());
 }
 
 function createWindow(): void {

frontend/src/main/menu.test.ts

@@ -0,0 +1,30 @@
+import { describe, expect, it } from "vitest";
+import { buildWindowsAppMenuTemplate } from "./menu";
+
+type MenuItem = ReturnType<typeof buildWindowsAppMenuTemplate>[number];
+type SubmenuItem = NonNullable<Extract<MenuItem["submenu"], readonly unknown[]>>[number];
+
+function viewSubmenu(): readonly SubmenuItem[] {
+	const viewMenu = buildWindowsAppMenuTemplate().find((item) => item.label === "View");
+	if (!viewMenu || !Array.isArray(viewMenu.submenu)) {
+		throw new Error("View menu not found");
+	}
+	return viewMenu.submenu;
+}
+
+describe("buildWindowsAppMenuTemplate", () => {
+	it("registers both plus key forms for zoom in", () => {
+		const zoomInItems = viewSubmenu().filter((item) => item.role === "zoomIn");
+
+		expect(zoomInItems).toEqual(
+			expect.arrayContaining([
+				expect.objectContaining({ accelerator: "Ctrl+=", role: "zoomIn" }),
+				expect.objectContaining({ accelerator: "Ctrl+Plus", role: "zoomIn", visible: false }),
+			]),
+		);
+	});
+
+	it("keeps the direct minus accelerator for zoom out", () => {
+		expect(viewSubmenu()).toContainEqual(expect.objectContaining({ accelerator: "Ctrl+-", role: "zoomOut" }));
+	});
+});

frontend/src/main/menu.ts

@@ -0,0 +1,36 @@
+import type { MenuItemConstructorOptions } from "electron";
+
+export function buildWindowsAppMenuTemplate(): MenuItemConstructorOptions[] {
+	return [
+		{
+			label: "Edit",
+			submenu: [
+				{ role: "undo" },
+				{ role: "redo" },
+				{ type: "separator" },
+				{ role: "cut" },
+				{ role: "copy" },
+				{ role: "paste" },
+				{ role: "selectAll" },
+			],
+		},
+		{
+			label: "View",
+			submenu: [
+				{ role: "reload" },
+				{ role: "toggleDevTools" },
+				{ type: "separator" },
+				{ role: "resetZoom" },
+				{ accelerator: "Ctrl+=", role: "zoomIn" },
+				{ accelerator: "Ctrl+Plus", acceleratorWorksWhenHidden: true, role: "zoomIn", visible: false },
+				{ accelerator: "Ctrl+-", role: "zoomOut" },
+				{ type: "separator" },
+				{ role: "togglefullscreen" },
+			],
+		},
+		{
+			label: "Window",
+			submenu: [{ role: "minimize" }, { role: "close" }],
+		},
+	];
+}