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Users reported long delays between finishing browser authentication and the client connecting. Logs could not attribute the time: the PKCE and device flows were silent between issuing the auth URL and returning the token, and nothing recorded when the GUI issued the Up request after WaitSSOLogin completed. Add log lines covering the full chain: PKCE callback arrival and token exchange duration, device-flow polling and approval timing, GUI-side brackets around WaitSSOLogin and Up, daemon-side Up arrival and WaitSSOLogin return, and a frontend stall detector that reports when webview timers were suspended (macOS App Nap / hidden-window throttling), which delays the WaitSSOLogin-to-Up handoff.
32 lines
1.1 KiB
TypeScript
32 lines
1.1 KiB
TypeScript
// Detects webview suspension (macOS App Nap / hidden-window timer throttling).
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// While the webview is suspended no JS runs at all, so detection happens on
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// resume: a 1s interval measures wall-clock drift and reports how long timers
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// were frozen. Silent unless a stall actually occurred; a stalled webview is
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// what delays promise continuations such as the WaitSSOLogin → Up handoff.
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const INTERVAL_MS = 1000;
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const STALL_THRESHOLD_MS = 5000;
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const REPORT_COOLDOWN_MS = 60_000;
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let started = false;
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export function initStallWatch() {
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if (started) return;
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started = true;
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let last = Date.now();
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let lastReport = 0;
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setInterval(() => {
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const now = Date.now();
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const stall = now - last - INTERVAL_MS;
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last = now;
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if (stall < STALL_THRESHOLD_MS) return;
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if (now - lastReport < REPORT_COOLDOWN_MS) return;
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lastReport = now;
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console.warn(
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`webview timers were suspended for ${(stall / 1000).toFixed(1)}s ` +
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`(App Nap / hidden-window throttling); pending UI work ran late`,
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);
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}, INTERVAL_MS);
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}
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