Merge branch 'main' into extend-outdated-client-info

client/ui/frontend/src/app.tsx

@@ -16,10 +16,13 @@ import LoginWaitingForBrowserDialog from "@/modules/login/LoginWaitingForBrowser
 import { initI18n } from "@/lib/i18n";
 import { initPlatform } from "@/lib/platform";
 import { initLogForwarding } from "@/lib/logs";
+import { initStallWatch } from "@/lib/stallwatch";
 
 // Must run first so even init-time logs reach the Go log pipeline.
 initLogForwarding();
 
+initStallWatch();
+
 welcome();
 
 Promise.all([

client/ui/frontend/src/lib/connection.ts

@@ -51,7 +51,14 @@ async function runSsoLogin(
     if (uri) await openBrowserLoginUri(uri);
 
     const cancelPromise = buildSsoCancelPromise(state, signal);
-    const waitPromise = Connection.WaitSSOLogin({ userCode: result.userCode, hostname: "" });
+    // Combine wait + up in Go so the connection comes up the moment SSO
+    // completes. During SSO the tray window is hidden and the webview is
+    // suspended, so a frontend-driven Up (a promise continuation) would not
+    // fire until the user woke the window (e.g. hovering the tray icon).
+    const waitPromise = Connection.WaitSSOLoginAndUp(
+        { userCode: result.userCode, hostname: "" },
+        { profileName: "", username: "" },
+    );
 
     try {
         await Promise.race([waitPromise, cancelPromise]);
@@ -89,13 +96,13 @@ export async function startConnection(onSettled?: () => void, signal?: AbortSign
         if (signal?.aborted) state.cancelled = true;
 
         if (!state.cancelled && result.needsSsoLogin) {
+            // runSsoLogin brings the connection up in Go once SSO completes.
             await runSsoLogin(result, state, signal);
-        }
-
-        if (!state.cancelled && signal?.aborted) state.cancelled = true;
-
-        if (!state.cancelled) {
-            await Connection.Up({ profileName: "", username: "" });
+        } else {
+            if (!state.cancelled && signal?.aborted) state.cancelled = true;
+            if (!state.cancelled) {
+                await Connection.Up({ profileName: "", username: "" });
+            }
         }
     } catch (e) {
         WindowManager.CloseBrowserLogin().catch(console.error);

client/ui/frontend/src/lib/stallwatch.ts

@@ -0,0 +1,31 @@
+// Detects webview suspension (macOS App Nap / hidden-window timer throttling).
+// While the webview is suspended no JS runs at all, so detection happens on
+// resume: a 1s interval measures wall-clock drift and reports how long timers
+// were frozen. Silent unless a stall actually occurred; a stalled webview is
+// what delays promise continuations such as the WaitSSOLogin → Up handoff.
+
+const INTERVAL_MS = 1000;
+const STALL_THRESHOLD_MS = 5000;
+const REPORT_COOLDOWN_MS = 60_000;
+
+let started = false;
+
+export function initStallWatch() {
+    if (started) return;
+    started = true;
+
+    let last = Date.now();
+    let lastReport = 0;
+    setInterval(() => {
+        const now = Date.now();
+        const stall = now - last - INTERVAL_MS;
+        last = now;
+        if (stall < STALL_THRESHOLD_MS) return;
+        if (now - lastReport < REPORT_COOLDOWN_MS) return;
+        lastReport = now;
+        console.warn(
+            `webview timers were suspended for ${(stall / 1000).toFixed(1)}s ` +
+                `(App Nap / hidden-window throttling); pending UI work ran late`,
+        );
+    }, INTERVAL_MS);
+}