v0.5.0: NomadArch - Binary-Free Mode Release

Features:
- Binary-Free Mode: No OpenCode binary required
- NomadArch Native mode with free Zen models
- Native session management
- Provider routing (Zen, Qwen, Z.AI)
- Fixed MCP connection with explicit connectAll()
- Updated installers and launchers for all platforms
- UI binary selector with Native option

Free Models Available:
- GPT-5 Nano (400K context)
- Grok Code Fast 1 (256K context)
- GLM-4.7 (205K context)
- Doubao Seed Code (256K context)
- Big Pickle (200K context)

packages/electron-app/electron/main/menu.ts

@@ -0,0 +1,84 @@
+import { Menu, BrowserWindow, MenuItemConstructorOptions } from "electron"
+
+export function createApplicationMenu(mainWindow: BrowserWindow) {
+  const isMac = process.platform === "darwin"
+
+  const template: MenuItemConstructorOptions[] = [
+    ...(isMac
+      ? [
+          {
+            label: "CodeNomad",
+            submenu: [
+              { role: "about" as const },
+              { type: "separator" as const },
+              { role: "hide" as const },
+              { role: "hideOthers" as const },
+              { role: "unhide" as const },
+              { type: "separator" as const },
+              { role: "quit" as const },
+            ],
+          },
+        ]
+      : []),
+    {
+      label: "File",
+      submenu: [
+        {
+          label: "New Instance",
+          accelerator: "CmdOrCtrl+N",
+          click: () => {
+            mainWindow.webContents.send("menu:newInstance")
+          },
+        },
+        { type: "separator" as const },
+        isMac ? { role: "close" as const } : { role: "quit" as const },
+      ],
+    },
+    {
+      label: "Edit",
+      submenu: [
+        { role: "undo" as const },
+        { role: "redo" as const },
+        { type: "separator" as const },
+        { role: "cut" as const },
+        { role: "copy" as const },
+        { role: "paste" as const },
+        ...(isMac
+          ? [{ role: "pasteAndMatchStyle" as const }, { role: "delete" as const }, { role: "selectAll" as const }]
+          : [{ role: "delete" as const }, { type: "separator" as const }, { role: "selectAll" as const }]),
+      ],
+    },
+    {
+      label: "View",
+      submenu: [
+        { role: "reload" as const },
+        { role: "forceReload" as const },
+        { role: "toggleDevTools" as const },
+        { type: "separator" as const },
+        { role: "resetZoom" as const },
+        { role: "zoomIn" as const },
+        { role: "zoomOut" as const },
+        { type: "separator" as const },
+        { role: "togglefullscreen" as const },
+      ],
+    },
+    {
+      label: "Window",
+      submenu: [
+        { role: "minimize" as const },
+        { role: "zoom" as const },
+        ...(isMac
+          ? [
+              { type: "separator" as const },
+              { role: "front" as const },
+              { type: "separator" as const },
+              { role: "window" as const },
+            ]
+          : [{ role: "close" as const }]),
+      ],
+    },
+  ]
+
+  const menu = Menu.buildFromTemplate(template)
+  Menu.setApplicationMenu(menu)
+}