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fix(app): preload more timeline messages - #36172
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Pull request overview
This PR improves session timeline loading in the app by increasing the initial message page size so more recent context is available immediately, while keeping the existing larger history pagination behavior. It also updates unit and E2E coverage to validate that initially visible timeline content remains visible while the longer history fetch completes.
Changes:
- Increase the initial session message fetch page size from 2 to 20 (history fetch remains 200).
- Update server-session unit tests to assert the new initial fetch limit.
- Update the timeline history E2E regression to use a larger initial dataset and to validate visibility during the history-load phase.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| packages/app/src/context/server-session.ts | Bumps the initial messages page size used for the first timeline load. |
| packages/app/src/context/server-session.test.ts | Updates expectations to match the new initial fetch limit. |
| packages/app/e2e/regression/session-timeline-history-root.spec.ts | Adjusts the regression scenario/data size and assertions to reflect the new pagination and visibility guarantees. |
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| if (!state.captured && viewport) { | ||
| state.visibleParts = [...viewport.querySelectorAll<HTMLElement>("[data-timeline-part-id]")] | ||
| .map((part) => part.dataset.timelinePartId) | ||
| .filter((partID): partID is string => !!partID && visible(partID)) | ||
| state.captured = true | ||
| } | ||
| if ( | ||
| !virtual || | ||
| state.visibleParts.length === 0 || | ||
| state.visibleParts.some((partID) => !visible(partID)) | ||
| ) | ||
| state.hidden = true | ||
| state.samples++ |
CreatorGhost added a commit
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Jul 12, 2026
Ported from upstream anomalyco#36172.
CreatorGhost added a commit
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Jul 12, 2026
* fix(app): skip agent.set when agent unchanged in Web UI Ported from upstream anomalyco#36425. * feat(app): middle click to open new tab Ported from upstream anomalyco#36215. * fix(app): preload more timeline messages Ported from upstream anomalyco#36172. * fix(app): cap prompt history attachments Ported from upstream anomalyco#36000.
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Summary
Testing