diff --git a/ui/public/site.webmanifest b/ui/public/site.webmanifest
index ea5a8bc9f5e..907f6293e42 100644
--- a/ui/public/site.webmanifest
+++ b/ui/public/site.webmanifest
@@ -5,7 +5,7 @@
   "description": "AI-powered project management and agent coordination platform",
   "start_url": "/",
   "scope": "/",
-  "display": "browser",
+  "display": "standalone",
   "orientation": "any",
   "theme_color": "#18181b",
   "background_color": "#18181b",
diff --git a/ui/src/lib/pwa-install-mode.test.ts b/ui/src/lib/pwa-install-mode.test.ts
index 56078526174..902d7dc356a 100644
--- a/ui/src/lib/pwa-install-mode.test.ts
+++ b/ui/src/lib/pwa-install-mode.test.ts
@@ -6,13 +6,21 @@ import { describe, expect, it } from "vitest";
 const uiRoot = resolve(fileURLToPath(new URL("../..", import.meta.url)));
 
 describe("PWA install mode", () => {
-  it("opens home-screen launches with browser controls visible", () => {
+  it("requests a chromeless window so the in-app browser controls apply", () => {
     const manifest = JSON.parse(readFileSync(resolve(uiRoot, "public/site.webmanifest"), "utf8")) as {
       display?: string;
     };
     const html = readFileSync(resolve(uiRoot, "index.html"), "utf8");
 
-    expect(manifest.display).toBe("browser");
+    // `browser` makes the app uninstallable: Chrome reports
+    // `manifest-display-not-supported` and only offers a shortcut. `standalone`
+    // is the installable mode, and it is the mode the app is already written for
+    // — StandaloneBrowserControls renders Refresh / Share / Open in Browser only
+    // when the launch is chromeless, which nothing could trigger before this.
+    expect(manifest.display).toBe("standalone");
+    // The legacy `mobile-web-app-capable` meta is unnecessary (Chrome reads the
+    // manifest) and the Apple metas stay out: iOS is not an install target for
+    // this change, because Safari needs those metas rather than the manifest.
     expect(html).not.toContain('name="mobile-web-app-capable"');
     expect(html).not.toContain('name="apple-mobile-web-app-capable"');
     expect(html).not.toContain('name="apple-mobile-web-app-status-bar-style"');