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feat(app): keep recently viewed chats live (#2842)

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Replace time-based subscription expiry with a bounded hot set so switching among a small working set and backgrounding the app do not force stale timeline catch-up. Visible chats always retain priority, while disconnect and legacy delivery preserve their existing authoritative boundaries.
This commit is contained in:
Mohamed Boudra
2026-08-03 23:18:28 +02:00
committed by GitHub
parent f25e68b8cc
commit b4a4507fb2
4 changed files with 227 additions and 279 deletions
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packages/app/e2e/browser/viewed-agent-timelines.spec.ts
+4 -30
View File
@@ -97,7 +97,7 @@ async function expectAgentConsistentlyIdle(page: Page, title: string): Promise<v
}
test.describe("Viewed agent timelines", () => {
test("a turn that finishes while unsubscribed reopens with consistently idle chrome", async ({
test("a turn that finishes while hidden reopens with consistently idle chrome", async ({
page,
}) => {
test.setTimeout(150_000);
@@ -105,9 +105,9 @@ test.describe("Viewed agent timelines", () => {
const scenario = await seedViewedTimelineScenario({ firstAgentModel: "one-minute-stream" });
try {
await openAgent(page, scenario, scenario.firstAgentId);
await startVisibleTurn(page, scenario, "Finish after this chat becomes unsubscribed.");
await startVisibleTurn(page, scenario, "Finish after this chat becomes hidden.");
await selectAgent(page, "Second viewed chat");
await subscriptions.waitForSubscribedAgents([scenario.secondAgentId], { timeout: 45_000 });
await subscriptions.waitForSubscribedAgents([scenario.firstAgentId, scenario.secondAgentId]);
const finish = await scenario.client.waitForFinish(scenario.firstAgentId, 90_000);
expect(finish.status).toBe("idle");
@@ -118,33 +118,7 @@ test.describe("Viewed agent timelines", () => {
}
});
test("an unsubscribed hidden chat catches up when shown", async ({ page }) => {
test.setTimeout(90_000);
const subscriptions = observeTimelineSubscriptions(page);
const scenario = await seedViewedTimelineScenario();
try {
await openAgent(page, scenario, scenario.firstAgentId);
await selectAgent(page, "Second viewed chat");
await subscriptions.waitForSubscribedAgents([scenario.secondAgentId], { timeout: 45_000 });
await commitMessage(
scenario,
scenario.firstAgentId,
"Committed after the first chat unsubscribed.",
);
await expect(
page.getByText("Committed after the first chat unsubscribed.", { exact: true }),
).toHaveCount(0);
await selectAgent(page, "First viewed chat");
await expect(
page.getByText("Committed after the first chat unsubscribed.", { exact: true }),
).toBeVisible();
await expect(page.getByText("(end of synthetic stream)", { exact: true })).toBeVisible();
} finally {
await scenario.cleanup();
}
});
test("a hidden retained chat stays current during unsubscribe grace", async ({ page }) => {
test("a hidden hot chat stays current", async ({ page }) => {
test.setTimeout(60_000);
const subscriptions = observeTimelineSubscriptions(page);
const scenario = await seedViewedTimelineScenario();