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DottaandPaperclip
eb5c24b61c
## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Agent Chat shows saved messages and native run output in one conversation. > - Reopening a chat rebuilt terminal transcripts and waited for network hydration. > - A queued scroll event could also disable bottom-follow after a cached editor increased the content height. > - This pull request reuses terminal history and preserves bottom-follow through that event order. > - The benefit is a faster cached return that opens at the latest reply. ## Linked Issues or Issue Description **What happened?** Returning to an agent chat could leave its latest reply below the viewport. Saved native transcripts also held the first reveal behind repeated network reads. **Expected behavior** A new chat navigation opens at the latest reply. A reader who scrolls up keeps their position. Back restores the earlier reading anchor. Saved history can render while the normal catch-up read runs. **Steps to reproduce** 1. Open an agent chat with saved native runs and task question cards. 2. Open Tasks, then reopen the same agent from Recents. 3. Observe the wait and the distance from the latest reply. **Paperclip version or commit** Reproduced on `523818ea9bf81f96abf4e6b73e81c2ce87518c07`. Rebased onto master `2f9d3d43c3`. **Deployment mode** Built from source with production UI assets and an isolated synthetic database. Related work: #18358 added recent-window chat loading. #18461 deferred completed transcripts for compact task opens. Open PR #14667 changes the reveal gate for task threads. This PR keeps that gate and caches hydrated terminal native history across visits. ## What Changed - Retain successful terminal native history in the application query cache. Keys include company, run, status and projection. - Render matching saved history immediately and continue the normal cursor-based catch-up read. - Preserve bottom-follow when content grows before a queued scroll event is delivered. Upward gestures and Back anchors retain priority. - Add regression coverage for remounts, catch-up, cache clearing, projection changes, cached question editors and scroll event ordering. - Repair two browser assertions: use a final 422 failure for explicit history retry, and accept saved task-view query parameters. - Document the local before/after comparison, including unchanged paths. ## Verification - Focused transcript and scroll suites: 51 tests passed after the review fixes, including a 300-run cache stability case. - Full UI suite on the rebased head: 896 files passed; 11,257 tests passed and one skipped. - Final review-fixed production UI: all 24 desktop/mobile chat journeys passed. - Final head: `pnpm -r typecheck`, `pnpm build` and `pnpm check:token-gates` passed. The complete GitHub CI test matrix, E2E, build and release checks passed for `4429a9aab4`. - The local repo-wide test command was stopped before performance sampling. Local acceptance used the full UI suite and the chat browser rig; CI completed the full repository matrix. - A parallel local build initially read a partially regenerated runner module while typecheck was emitting files. After typecheck finished, the serial full build passed. No runner source change was required. - The first browser run exposed the retry fixture's synthetic 500 being retried by the shared query policy. A final 422 response now verifies explicit retry. The Back assertion also now accepts the task collection's saved view query. - Re-measured the final reviewed build against the original baseline in five alternating pairs. The same retained 600-message/300-run fixture, Chromium at 1440×900 and 150 ms simulated latency produced cached-return medians of 580 ms (568–594) before and 155 ms (130–161) after. Median paired saving: 433 ms. All five pairs improved. A separate loopback asset host kept the manual test-drive build unchanged. - The initial full comparison found no reliable change to loopback cached returns, cold opens or uncached in-app entry. These are local results, not deployed staging measurements. - Greptile identified cache-expiry row loss and missing older output after a cached projection switch. Regression cases reproduce those paths. Mounted history now retains restored rows, and each projection retains its confirmed snapshot. The fresh review on commit `4429a9aab4` is 5/5 with no open findings. - One browser run overlapped a local rebuild and received a root-page 500. The server log records the missing generated index at that time. The run also timed out waiting for wheel acknowledgement after older rows had loaded; that input-acknowledgement cause was not established. After the build completed, the full serial run passed all 24 cases. - Run the opt-in browser rig with `tests/perf/agent-chat/playwright.config.ts` against a disposable loopback instance. See `tests/perf/agent-chat/README.md`. ## Risks - Cached history must not cross company, status or projection boundaries. Regression tests cover those cache misses and cache clearing. - Terminal output can receive late events. Cached history still performs catch-up reads, and retry, reconnect and mode changes retain their reads. - Programmatic scroll events can race with a reader gesture. Tests cover upward intent, delayed media and Back restoration. - This change does not improve cold-start latency. No schema, server authorization or exported data changes. ## Model Used OpenAI Codex using GPT-6. The runtime does not expose a more specific model ID or context-window size. Used reasoning, shell execution, repository editing, tests and browser profiling. ## Checklist - [x] I have included a thinking path that traces from project context to this change - [x] I have specified the model used (with version and capability details) - [x] I have checked ROADMAP.md and confirmed this PR does not duplicate planned core work - [x] I have searched GitHub for duplicate or related PRs and linked them above - [x] I have either (a) linked existing issues with `Fixes: #` / `Closes #` / `Refs #` OR (b) described the issue in-PR following the relevant issue template - [x] I have not referenced internal/instance-local Paperclip issues or links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip` URLs) - [x] My branch name describes the change (e.g. `docs/...`, `fix/...`) and contains no internal Paperclip ticket id or instance-derived details - [x] I have run tests locally and they pass - [x] I have added or updated tests where applicable - [x] I have updated relevant documentation to reflect my changes - [x] I have considered and documented any risks above - [x] All Paperclip CI gates are green - [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge --------- Co-authored-by: Paperclip <noreply@paperclip.ing>
@paperclipai/ui
Published static assets for the Paperclip board UI.
What gets published
The npm package contains the production build under dist/. It does not ship the UI source tree or workspace-only dependencies.
Storybook
Storybook config, stories, and fixtures live under ui/storybook/.
pnpm --filter @paperclipai/ui storybook
pnpm --filter @paperclipai/ui build-storybook
Typical use
Install the package, then serve or copy the built files from node_modules/@paperclipai/ui/dist.
Editor dependency identity
Keep the root and workspace overrides for @codemirror/state,
@codemirror/view, and @lezer/common aligned. CodeMirror requires shared
extension identity, while Lezer parsers and syntax highlighters require shared
NodeProp IDs. Multiple Lezer copies can crash code-block highlighting with
tags is not iterable. src/lib/codemirror-single-instance.test.ts checks the
installed dependency graph and highlights sample code through the editor's real
language dependencies. GitHub Actions owns regeneration of pnpm-lock.yaml.