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fix: keep terminal sessions alive
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Add WebSocket and SSH keepalives so idle dashboard terminal sessions stay connected across proxies and long-running idle periods.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Gan, Jimmy
2026-03-06 16:11:43 +08:00
parent aaabb8a373
commit c9f06fbbbb
2 changed files with 11 additions and 1 deletions
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dashboard/frontend/src/routes/Terminal.svelte
+7 -1
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@@ -122,6 +122,7 @@
if (d) {
d.voice?.destroy();
d.ro?.disconnect();
if (d.heartbeat) clearInterval(d.heartbeat);
d.term?.element?.removeEventListener("dragover", d.handleDragOver);
d.term?.element?.removeEventListener("drop", d.handleDrop);
d.term?.textarea?.removeEventListener("paste", d.handlePaste);
@@ -180,6 +181,10 @@
ws.onerror = () => updateTab(tabId, { connected: false, error: "Connection failed" });
term.onData((data) => ws.readyState === 1 && ws.send(new TextEncoder().encode(data)));
const heartbeat = setInterval(() => {
if (ws.readyState === 1) ws.send("__ping__");
}, 25000);
const handleDragOver = (e) => {
e.preventDefault();
};
@@ -211,7 +216,7 @@
ro.observe(el);
const voice = new VoiceSession(() => { voiceTick++; });
voice.attach(term, ws);
tabData.set(tabId, { ws, term, ro, el, voice, handleDragOver, handleDrop, handlePaste });
tabData.set(tabId, { ws, term, ro, el, voice, heartbeat, handleDragOver, handleDrop, handlePaste });
})();
}
@@ -222,6 +227,7 @@
tabData.forEach((d) => {
d.voice?.destroy();
d.ro?.disconnect();
if (d.heartbeat) clearInterval(d.heartbeat);
d.term?.element?.removeEventListener("dragover", d.handleDragOver);
d.term?.element?.removeEventListener("drop", d.handleDrop);
d.term?.textarea?.removeEventListener("paste", d.handlePaste);