fix(updater): per-user NSIS updates, skip auto-update in dev

The Windows auto-updater shipped a per-machine MSI installed silently
(installMode "quiet"). Per-machine MSI upgrades need elevation; "quiet"
suppresses the UAC prompt and apps run non-elevated by default, so the
silent install failed (1603 / "must be Administrator") for ordinary
users — and since the app quits to apply the update, it looked like a
crash/loop. This affected any non-elevated user on auto-update, not just
dev.

- bundle.targets: drop "msi" (was "all"). Windows now ships NSIS only,
  which is already configured per-user (nsis.installMode "currentUser")
  — so updates install without elevation. The updater manifest will
  reference the NSIS "-setup.exe"; the api.mcpmux.com resolver rewrites
  URLs filename-agnostically, so no worker change is needed.
- updater.windows.installMode: "quiet" -> "passive". Shows a small
  progress UI and, crucially, surfaces a UAC prompt if elevation is ever
  needed instead of failing invisibly. With per-user NSIS the normal
  path still needs no elevation.
- App.tsx: skip the startup auto-update entirely when import.meta.env.DEV
  (i.e. under `pnpm dev`) — otherwise a dev build detects a newer
  published release, installs it over the dev build, and relaunches, so
  local changes never appear. Production builds are unaffected.

Tests: App update-banner suite stubs DEV=false to keep exercising the
production flow; all 12 pass.

Signed-off-by: Mohammod Al Amin Ashik <maa.ashik00@gmail.com>

Author: its-mash

apps/desktop/src-tauri/tauri.conf.json

@@ -26,7 +26,7 @@
       ],
       "pubkey": "dW50cnVzdGVkIGNvbW1lbnQ6IG1pbmlzaWduIHB1YmxpYyBrZXk6IDdCQUZGMEVCMEZBOTk5RTcKUldUbm1ha1A2L0N2ZTlOZjN5T3pGOHBHRUlibytMY2tPeWJkQ01heDJzdTJqK3B3a2lBdDZ1T1oK",
       "windows": {
-        "installMode": "quiet"
+        "installMode": "passive"
       }
     }
   },
@@ -50,7 +50,14 @@
   "bundle": {
     "active": true,
     "createUpdaterArtifacts": true,
-    "targets": "all",
+    "targets": [
+      "app",
+      "dmg",
+      "deb",
+      "rpm",
+      "appimage",
+      "nsis"
+    ],
     "icon": [
       "icons/32x32.png",
       "icons/128x128.png",

apps/desktop/src/App.tsx

@@ -104,6 +104,12 @@ function AppContent() {
   // into the new version — so a restart picks up updates with no clicks.
   // Otherwise just surface the dismissible banner for a manual install.
   useEffect(() => {
+    // Never auto-update under `pnpm dev`. A dev build would otherwise detect a
+    // newer published release, install it over this build, and relaunch — so
+    // your local changes would vanish before you could see them. Production
+    // builds (import.meta.env.DEV === false) are unaffected.
+    if (import.meta.env.DEV) return;
+
     const checkForUpdates = async () => {
       try {
         const { checkForUpdate } = await import('@/lib/updates');

tests/ts/components/App.test.tsx

@@ -288,6 +288,10 @@ describe('App – dynamic gateway URL display', () => {
 
 describe('App – update banner', () => {
   beforeEach(() => {
+    // The startup auto-update check is gated behind `!import.meta.env.DEV`
+    // (it must never run under `pnpm dev`). Vitest runs in dev mode, so stub
+    // DEV=false here to exercise the production update flow.
+    vi.stubEnv('DEV', false);
     vi.useFakeTimers();
     gatewayEventCallbacks = [];
     setupInvoke({ get_version: '0.1.2' });
@@ -296,6 +300,7 @@ describe('App – update banner', () => {
 
   afterEach(() => {
     vi.useRealTimers();
+    vi.unstubAllEnvs();
   });
 
   it('should show update banner when update is available', async () => {