dsh-turn-fold

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A dsh-harmony provider that adds Codex-Desktop-style turn folding to the DSH WebUI conversation.

https://github.com/user-attachments/assets/3c9dfdcf-a454-4750-9edf-76771ed5a9a6

During a turn, the summary bar remains visible while native thinking, notes, commands, and tool calls keep streaming. Consecutive reasoning, context injections, and tool activity share one compact group from the second item onward. When a turn settles, known Agent activity, including context injection, moves into one disclosure immediately before the final answer. Its configurable metrics default to wall time, tool-call count, and input/output tokens, and appear only when the loaded turn contains enough data to calculate them without guessing.

The final answer is located through turn-tail.closing.finalNode, not finish_reason or DOM position. Completed, stopped, and interrupted turns fold, with distinct status labels for the latter two. A turn remains expanded when DSH marks its closing branch unavailable, when any later node follows the closing answer, or while the user has keyboard focus or an active text selection inside its activity. Failed, max-token, closing-less, and open turns also stay expanded so errors and unfinished work are never hidden.

Expanding reuses the original native node renderers, so tool details, copy, and file links keep working. Open turns are remembered per session and turn while the WebUI remains loaded. The disclosure has keyboard-visible focus, accessible state and action labels, responsive wrapping, reduced-motion handling, and a short open/close transition that unmounts the activity after it closes.

How it works

Three shape-guarded Source Patches run in memory against the compiled browser bundle of @deepseek-ai/dsh-client-ui-conversation (lib/client.js) from 0.1.0-rc.8 up to, but not including, the 0.2.0 prerelease line; installed DSH files are never modified. Every selector must still match exactly once, so an incompatible compiled shape fails closed instead of modifying an uncertain target.

Patch	Selector (expect 1)	Effect
inject-turn-fold-runtime	FunctionDeclaration[name.name="ChatView"], VariableStatement:has(VariableDeclaration[name.name="ChatView"])	Injects the fold renderer + disclosure UI into either native or decorated ChatView
rewrite-node-render-loop	CallExpression[expression.name.name="map"][expression.expression.name="order"]	Replaces the order.map(...) node loop with the per-turn renderer
install-turn-fold-services	VariableStatement:has(VariableDeclaration[name.name="t"][initializer.expression.name.name="bind"])	Registers the bundled English and Chinese dictionaries through DSH's native locale service and binds the native settings scope

Install

dsh plugin --profile web add github:CH4ACKO3/dsh-turn-fold
dsh harmony status --profile web   # all three patches must be `bound`

Test

node test/run.cjs

npm install installs the dependencies required by the test harness. The test suite applies all three patches in memory, parses the final browser bundle, and covers completed, split-activity, post-closing, partial-history, failed, interrupted, open, accessibility, localization, settings, and state-retention behavior. A missing target or selector mismatch fails the test; it is never reported as a skipped pass.

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