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Revert the timeline optimistic and pagination rework (#2596)

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* Add npm release track invariant and beta dist-tag procedure

* Revert "Keep older chat history and image previews stable (#2490)"

The timeline optimistic/pagination rework needs more work than main releases can wait for. Reverted together with #2484; both are reapplied on integration/timeline-optimistic-rework.

* Revert "Stop completed turns from appearing stuck (#2484)"

See the #2490 revert. #2490 built on this submission-authority change, so the two revert and reapply as a pair.
This commit is contained in:
Mohamed Boudra
2026-07-29 13:35:43 +02:00
committed by GitHub
parent ab24070075
commit acb8506d1f
81 changed files with 1721 additions and 7893 deletions
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packages/app/src/agent-stream/strategy-web.test.tsx
+78 -8
View File
@@ -130,7 +130,7 @@ describe("createWebStreamStrategy", () => {
routeBottomAnchorRequest: null,
isAuthoritativeHistoryReady: true,
onNearBottomChange: vi.fn(),
onNearHistoryStart: vi.fn().mockReturnValue(true),
onNearHistoryStart: vi.fn(),
isLoadingOlderHistory: false,
hasOlderHistory: false,
olderHistoryProgressKey: null,
@@ -174,7 +174,7 @@ describe("createWebStreamStrategy", () => {
routeBottomAnchorRequest: null,
isAuthoritativeHistoryReady: true,
onNearBottomChange: vi.fn(),
onNearHistoryStart: vi.fn().mockReturnValue(true),
onNearHistoryStart: vi.fn(),
isLoadingOlderHistory: false,
hasOlderHistory: false,
olderHistoryProgressKey: null,
@@ -230,7 +230,7 @@ describe("createWebStreamStrategy", () => {
routeBottomAnchorRequest: null,
isAuthoritativeHistoryReady: true,
onNearBottomChange: vi.fn(),
onNearHistoryStart: vi.fn().mockReturnValue(true),
onNearHistoryStart: vi.fn(),
isLoadingOlderHistory: false,
hasOlderHistory: false,
olderHistoryProgressKey: null,
@@ -285,6 +285,76 @@ describe("createWebStreamStrategy", () => {
expect(scrollTo).not.toHaveBeenCalled();
});
it("fires near-history-start when the user scrolls near the top", async () => {
const strategy = createWebStreamStrategy({ isMobileBreakpoint: true });
const viewportRef = React.createRef<StreamViewportHandle>();
const onNearHistoryStart = vi.fn();
container = document.createElement("div");
document.body.appendChild(container);
root = createRoot(container);
act(() => {
root?.render(
<>
{strategy.render({
agentId: "agent",
segments: {
historyVirtualized: [],
historyMounted: [userMessage(1), userMessage(2)],
liveHead: [],
},
boundary: {
hasVirtualizedHistory: false,
hasMountedHistory: true,
hasLiveHead: false,
},
renderers: createRenderers(vi.fn()),
listEmptyComponent: null,
viewportRef,
routeBottomAnchorRequest: null,
isAuthoritativeHistoryReady: true,
onNearBottomChange: vi.fn(),
onNearHistoryStart,
isLoadingOlderHistory: false,
hasOlderHistory: true,
olderHistoryProgressKey: "epoch-1:20",
scrollEnabled: true,
listStyle: null,
baseListContentContainerStyle: null,
forwardListContentContainerStyle: null,
})}
</>,
);
});
const scrollContainer = container.querySelector('[data-testid="agent-chat-scroll"]');
if (!(scrollContainer instanceof HTMLElement)) {
throw new Error("Expected agent chat scroll container");
}
Object.defineProperty(scrollContainer, "clientHeight", { configurable: true, value: 400 });
Object.defineProperty(scrollContainer, "scrollHeight", { configurable: true, value: 1200 });
Object.defineProperty(scrollContainer, "scrollTop", { configurable: true, value: 64 });
await act(async () => {
await new Promise((resolve) => requestAnimationFrame(resolve));
});
expect(onNearHistoryStart).not.toHaveBeenCalled();
act(() => {
scrollContainer.dispatchEvent(new WheelEvent("wheel", { deltaY: -1 }));
scrollContainer?.dispatchEvent(new Event("scroll"));
});
expect(onNearHistoryStart).toHaveBeenCalledTimes(1);
act(() => {
scrollContainer.dispatchEvent(new WheelEvent("wheel", { deltaY: -1 }));
});
expect(onNearHistoryStart).toHaveBeenCalledTimes(2);
});
it("waits for bottom anchoring before evaluating a delayed initial tail", async () => {
HTMLElement.prototype.scrollTo = vi.fn(function (
this: HTMLElement,
@@ -296,7 +366,7 @@ describe("createWebStreamStrategy", () => {
});
const strategy = createWebStreamStrategy({ isMobileBreakpoint: true });
const viewportRef = React.createRef<StreamViewportHandle>();
const onNearHistoryStart = vi.fn().mockReturnValue(true);
const onNearHistoryStart = vi.fn();
const renderInput = {
agentId: "agent",
boundary: {
@@ -403,7 +473,7 @@ describe("createWebStreamStrategy", () => {
viewportRef,
routeBottomAnchorRequest,
onNearBottomChange: vi.fn(),
onNearHistoryStart: vi.fn().mockReturnValue(true),
onNearHistoryStart: vi.fn(),
isLoadingOlderHistory: false,
hasOlderHistory: false,
olderHistoryProgressKey: null,
@@ -511,7 +581,7 @@ describe("createWebStreamStrategy", () => {
viewportRef,
routeBottomAnchorRequest,
onNearBottomChange: vi.fn(),
onNearHistoryStart: vi.fn().mockReturnValue(true),
onNearHistoryStart: vi.fn(),
isLoadingOlderHistory: false,
hasOlderHistory: false,
olderHistoryProgressKey: null,
@@ -608,7 +678,7 @@ describe("createWebStreamStrategy", () => {
viewportRef,
routeBottomAnchorRequest,
onNearBottomChange: vi.fn(),
onNearHistoryStart: vi.fn().mockReturnValue(true),
onNearHistoryStart: vi.fn(),
isLoadingOlderHistory: false,
hasOlderHistory: false,
olderHistoryProgressKey: null,
@@ -707,7 +777,7 @@ describe("createWebStreamStrategy", () => {
viewportRef,
routeBottomAnchorRequest: null,
onNearBottomChange: vi.fn(),
onNearHistoryStart: vi.fn().mockReturnValue(true),
onNearHistoryStart: vi.fn(),
isLoadingOlderHistory: false,
hasOlderHistory: false,
olderHistoryProgressKey: null,