1d0e826767
## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - Local agent adapters stream their work through the shared acpx engine, which every ACP adapter (`claude_local`, `codex_local`, `gemini_local`, custom ACP) runs on > - Verbose streaming backends break two shared-engine behaviors: the auto-posted run summary concatenates every text delta including the thought stream (a long multi-tool run once auto-posted a ~50k character monologue as an issue comment), and token-by-token tool-argument streaming floods the run log with tens of thousands of placeholder-titled in-progress events per run > - These fixes were developed inside the `kimi_local` adapter PR, where Kimi Code's streaming volume (~16,000 text deltas per run vs ~290 for a comparable Claude run) surfaced both problems > - Changing this behavior for all adapters at once is a fleet-wide risk, and hardcoding adapter identities in shared code does not scale to many adapters (or work at all for externally-shipped plugin adapters) — so the behaviors become invocation-config parameters that an adapter's own acpx config builder sets, with defaults preserving today's behavior byte-for-byte > - The benefit is that the machinery lands fully tested with zero behavior change for existing adapters — pin tests prove it — the engine carries no adapter identities, and any adapter (including `custom_acp` configs for external backends) opts in declaratively ## Linked Issues or Issue Description - Refs #9967 — extracted from the `kimi_local` adapter PR and restructured to be inert by default; the commit preserves the original author's (@hawikk) authorship. **Current behavior** When an acpx-engine run ends without the agent leaving a comment, the auto-posted summary is every streamed text delta concatenated, thought stream included. Backends that stream tool arguments emit tens of thousands of placeholder-titled `in_progress` tool events into the stored run log, pinning the live activity indicator to a generic "tool call". There is no mechanism for an adapter to vary either behavior, and shared code must never branch on adapter identities. **Proposed behavior** Two engine invocation-config parameters, read with behavior-preserving defaults: `summaryStrategy` (`"full"` = existing concatenation, the default; `"lastOutputSegment"` = segment output at tool starts, exclude thought stream, post the last non-empty segment) and `coalescePlaceholderToolUpdates` (`false` = never drop an event, the default; `true` = coalesce placeholder-titled in-progress updates). An adapter opts in from its own acpx config builder — the engine has no per-adapter knowledge, no adapter identity appears anywhere in shared code, and `custom_acp` agent configs can set the same knobs for external verbose backends. **Reason and benefit** Existing adapters are provably unaffected — new pin tests assert the default path's summary and tool-event output byte-for-byte, so any future change that alters behavior for claude/codex/gemini/custom fails the suite. The verbose-backend handling still lands fully tested, activated declaratively by the adapter that needs it (the `kimi_local` adapter PR sets both knobs in its config builder). ## What Changed - `packages/adapter-utils/src/acpx-engine/execute.ts`: the run preparation parses `summaryStrategy` and `coalescePlaceholderToolUpdates` from the invocation config (validated, defaulted); summary accumulation and `emitRuntimeEvent` branch on the prepared values. The default path is the pre-existing code (`textParts.join("")`, no event filtering). `buildAcpxRunSummary` is the exported last-segment strategy. - `packages/adapter-utils/src/acpx-engine/execute.test.ts`: a pin test asserting the default path's exact summary (thought stream included) and full tool-event stream (placeholder-titled in-progress updates present, names restored); opt-in tests for each knob; a `buildAcpxRunSummary` unit test. - `ui/src/adapters/types.ts`: `UIAdapterModule` gains an optional `transcriptPresentation` capability — `maxVisibleEntries` (issue-chat transcript window, default 30) and `liveReasoningView` (`"ticker"` default; `"scrollLog"` renders live reasoning in a scrollable auto-following box with one entry per tool call). - `ui/src/lib/issue-chat-messages.ts` and `ui/src/components/IssueChatThread.tsx`: shared code resolves the hints via `findUIAdapter(adapterType)` with today's defaults as fallback — no adapter identities anywhere. The `scrollLog` rendering component ships here but is unreachable until an adapter declares it. - `ui/src/lib/issue-chat-messages.test.ts`: a capability test registers a synthetic verbose adapter and asserts the wider window; the pre-existing test keeps pinning the default 30-entry window. No adapter declares any of this in this PR — every adapter renders and summarizes exactly as before, and there is no per-adapter data anywhere. The `kimi_local` adapter PR (#9967, stacked on this branch) is the first consumer: it declares `transcriptPresentation` in its own UI module and sets the engine knobs in its own acpx config builder. ## Verification - Engine suite: 130/130 pass (126 existing + 4 new); chat suites (`issue-chat-messages`, `IssueChatThread`, `RunChatSurface`): all pass including the new synthetic-adapter capability test — 237 tests across the touched surfaces - The pin tests are the regression guard: the engine test encodes today's summary text and tool-event sequence for a default-config run, and the existing 30-entry-window test pins the default transcript window, so "nothing changed for Claude/Codex users" is an executable assertion, not a review judgment - `pnpm --filter @paperclipai/adapter-utils --filter @paperclipai/ui typecheck`: clean ## Risks - Low: with no adapter setting the knobs, every code path taken in production is the existing one. The only behavioral surface is additive (an unused strategy and an unused filter), exercised by tests. - The knobs are ordinary invocation-config keys, so a `custom_acp` agent config can also set them — intended: an external verbose backend gets the same handling without code changes. Both knobs only affect that agent's own run summaries and run-log verbosity. ## Model Used - Original implementation authored in #9967 by @hawikk (models documented there: Moonshot AI Kimi K3 Coding via Kimi Code CLI 0.27.0, OpenAI GPT-5 Codex, Anthropic Claude Opus 4.8). The commit preserves that authorship. - Extraction, restructuring into config-declared parameters, pin tests, and verification: Anthropic, **Claude Fable 5** (`claude-fable-5`) via Claude Code, with repository, shell, and Git tooling. ## 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 - [ ] All Paperclip CI gates are green - [ ] 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: Hawik <davapa@gmail.com> |
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README.md
@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.