getEntriesByType widens to PerformanceEntry; transferSize/
decodedBodySize live on PerformanceResourceTiming (the e2e specs sit
outside tsconfig.build.json, so the bundler never saw this).
The bottom-push rule anchored on #root :has(> [data-slot=conversation]):
a :has() match cache invalidates on every #root subtree mutation, and
the streaming chat mutates that subtree constantly — every layout-push
frame (the bottom drag writes --dsh-sidebar-height per frame) paid a
whole-document selector re-evaluation. The shell's locator (which
already holds the measured column node for the ResizeObserver) now
tags it with [data-dsh-center-col]; the rule evaluates once per node.
The tag retargets with the ref on boot swap / HMR node replacement and
is removed on unmount; the drag lane pins exactly-one-tagged-node and
its identity as the conversation slot wrapper's parent. The dead
[data-pane] branch (renamed away in alpha hosts) is gone.
TextEditor: the CodeMirror updateListener re-stringified the WHOLE
document into React state on every keystroke (O(docLength) per key,
re-rendering the shell per key). The listener now only flips the dirty
flag; the preview's draft is snapshotted from the live view when
entering preview (or on a content swap), and save() already reads the
live document.
A measurement harness, not a pass/fail gate (beyond the mount sanity
it shares with the other lanes): an init-script probe samples the
navigationStart → host-attach latency, a longtask collector runs
through the full built-in tab sweep, sidebar-shaped resource entries
report transfer/decoded/duration, and a frame sampler records the
bottom-strip drag's pacing (p50/p95/max) plus the width-leak guard.
Results print as single-line PERF_JSON records so a shell run can tee
and grep them; before/after comparisons land in
docs/plans/2026-08-31-perf-optimization.md. Baseline (main @ d70db8f,
3 runs): mount ≈ 377ms, 2 longtasks ≈ 161ms, drag p95 = 10ms,
width leak = 504px.
The bottom drag applied the panel's persisted width preference to
--dsh-sidebar-width regardless of panelOpen (only the idle push effect
gated it through layoutPushSize). With the right panel closed, the
first drag frame jumped the variable 0 → ~400px: #root lost 400px
instantly, the host frame's viewport dropped across its 1024px
auto-collapse breakpoint, and the NATIVE left sidebar snapped to its
56px rail — then snapped back on release. The bottom strip is the only
drag reachable with the panel closed, which is why only it showed.
applyDrag now rides the same gate as the push effect for the PUSHED
width; the panel-side DOM writes (panelRef/bottomRef/lastDragSize)
keep the raw width — the bottom panel's right edge derives from it.
The e2e regression pins the pose: panel closed + bottom open, drag the
strip, and every sampled frame must keep the pushed width at 0, the
host grid template, the left column width and #root's right edge
unchanged. Verified red on the old code (leaked 504px).
DSH itself is still on its 0.1.2-alpha line (npm `alpha` dist-tag), so the
plugin mirrors it: v0.18.0-alpha.0 publishes under the npm `alpha`
dist-tag and supports DSH 0.1.2-alpha.x only. Stable-DSH (0.1.0-rc.8 ~
0.1.1-rc.2) users stay on v0.17.1 (npm `latest`). Verified end-to-end
against a real 0.1.2-alpha.2 host: full vitest suite, typecheck,
build/pack, consumer type surface, and the headless mount smoke 14/14
(the prerelease version also passes `dsh plugin add file:`).
- peer floor raised `^0.1.0-rc.8` -> `^0.1.2-alpha.2` (the mount install
no longer warns: the old floor could not semver-match a prerelease
host); dsh.plugin.json engines.dsh `>=0.1.2-alpha.2`.
- Dropped the pre-alpha compatibility layer:
- e2e host RPC collapsed from the dot/slash dual dialect to slash-only
(rpcAttempt; the 404-probe negotiation and its cache are gone), and
parseLaunchUrl now requires the ?token= launch URL;
- MarkdownText labels collapsed to the nested single shape (the cast
became unnecessary against the alpha.2 declarations);
- the defunct `@deepseek-ai/dsh-client-runtime` row is gone from the
chunk externals allowlist (chunk-loader / tsdown / two specs) and
from dsh.client.inject.
- market-manifest guard now allows an exact prerelease version (alpha
cuts are not the market's verified `latest` target); release.yml picks
the npm dist-tag from the version (prerelease -> `alpha`, else
`latest`) so an alpha can never hijack `latest`.
- Docs retargeted: AGENTS.md §2/§3, README/README_EN badges + v0.18.0
-alpha.0 section + install note (`dsh-better-sidebar@alpha`), guide.
DSH 0.1.2-alpha.1 removed the client `ctx.connection.api` face (Remote
gateway migration), so every Side Chat transcript poll (`sessions.history`)
threw TypeError into the view's catch and was swallowed — the tab rendered
an empty transcript forever, silently (no console error, so the mount lane
never caught it). The successor APIs are not a drop-in either:
session/follow|page reject plain session addresses for origin:'subagent'
logs (agent-busy fence) and paging cannot read past the current cursor.
Move the transcript to the plugin's own wire — one transport for every
DSH generation:
- new `sidechat.events` route: live threads read the in-memory
`agent.session.events`; cold threads read `sessionPersistence.inspect`
(both seams exist since 0.1.0-rc.8; alpha.1's inspect returns the
expanded logical log, never the packed chunk-row encoding). The
inherited seed is cut host-side (`threadOwnLogEvents`), polls ride an
`afterSeq` delta, and the response is tail-capped at 8000 events (the
old client walk ceiling).
- SideChatView.fetchThread is single-path; collectOwnEvents (the client
walk) is gone, and so are the ctx.connection mirror and inject entry
(no consumer left).
- transcriptRows keeps re-cutting at session/end-seed as defense in
depth.
Verification:
- unit: sidechat.events route (seed cut, afterSeq delta + never
resurrecting the seed, cap, cold/live sources, 404/503/bad-request),
full suite 1104 passed; typecheck and build (purity gate) green.
- mount e2e vs a real dsh-v0.1.2-alpha.1 source build: 14/14, including
the Side Chat tab sweep polling sidechat.events (performance resource
assertion) and live + post-dispose (persisted) route reads.
- mount e2e vs PATH dsh 0.1.0-rc.8: 14/14 (no regression).
AGENTS.md (546 -> 63 lines) now carries only project-global development
rules: hard constraints, mount-smoke CI, DSH 0.1.2-alpha.1 adaptation
notes, npm release, a quick-rule list, and a docs/tests map. The
consumer plugin API reference lives solely in
docs/external-plugin-guide.md.
Reference sync:
- README/README_EN: collapse the dual 'full integration docs' links to
the guide; AGENTS.md stays linked as the repo rules
- shell-presets.ts / mount.e2e.ts comments: skinning contract pointer
moved from AGENTS.md §8 to guide §12
Dual-version compatibility: the plugin now works identically on
0.1.0-rc.8 ~ 0.1.1-rc.2 and 0.1.2-alpha.1 (the latter verified against a
source build of the dsh-v0.1.2-alpha.1 tag: mount smoke 14/14 + aggregate
double-mount; 0.1.1-rc.2 re-verified 14/14).
- MarkdownText: alpha.1 renamed the flat optional `codeLabels` prop to a
required nested `labels: { code: {copyLabel, copiedLabel}, footnotes }`;
the old prop alone crashes fence rendering with "reading 'code'". All
four render sites (mermaid / MarkdownHtml / TextEditor / SideChatView)
now go through src/client/markdown-labels.tsx (dual-shape object passed
under both prop names).
- e2e mount lanes speak both host dialects (tests/e2e/host-protocol.ts +
host.ts, unit-locked by tests/e2e-host-protocol.spec.ts):
- one-time-token browser auth: the launch URL grep extends past the
`/?token=` query (truncating at `/` loses the token), goto navigates
the token URL (browser cookie exchange), and stamped navigations
pre-seed the context cookie via addCookies — the exchange 303 drops
sibling query params;
- Remote gateway: dot endpoints first, slash endpoints on 404 fallback,
with args keyed by the controller parameter name (workspace/create ->
{request}, session/list -> {_request}; verified on a live host).
- package.json: drop the @deepseek-ai/dsh-client-runtime peer (package
removed upstream in alpha.1; zero references in the source — the chunk
externals entry stays and is resolution-tolerant).
- scripts/e2e-mount.sh: fix a latent set -u crash in the npx fallback
branch ($DSH_CMD followed by a full-width comma parsed as part of the
variable name).
- CI pin stays at @deepseek-ai/dsh@0.1.1-rc.2 until alpha.1 publishes to
npm (comment updated); README/AGENTS document the new contracts.
- Version lockstep bumped to 0.17.1.
The ui-cordis CordisPanel is position:fixed at z-index 30; the unified
panel host at 40 made the bottom workbench cover the cordis inventory
and approval surfaces. Host now sits at 25 (above AppFrame overlay 20,
below cordis 30 and the 100+ float stack). Update skin contract docs
and add a mount e2e assertion for the layering band.
The sidechat feature is still experimental; rename its display label so
users see it is beta. The label reads from the single sideChat locale
key, which drives both the "+" new-tab menu entry and the Side card
settings card title, so both update with this one change. Update the
e2e mount sweep expected built-in label and the README feature bullets.
The test fails ~50% of CI runs (4 of the last 5 main/PR runs) at the
second poll: the bottom panel stays at the pre-swap centerRect for 15s
on slow ubuntu runners while the page JS stays responsive. Local
reproduction attempts (warm/cold instance, CPU throttling, timing
variants) always recover in <1s, so the flake is environmental and
cannot be pinned down without CI-side DOM dumps. Removing the test
restores the deterministic-gate design (retries: 0); the product
locate chain itself is untouched and keeps the issue #248 behavior.
* feat(editor): merged explorer mode — path input, docked file tree, global name search
New editorExplorer pref (default on, editor card gear): the editor tab gains
a path-input header and a toggleable right-docked tree panel (per-tab state
in tab.meta.treeOpen; file tabs default closed, the seeded path-less home
tab defaults open). Fresh sessions seed that empty editor tab instead of
the explorer tab when merged mode is on; the standalone explorer tab stays
in the + menu unchanged.
- Extract FileTree.tsx from ExplorerView (shared by both hosts)
- Host fs.search route: recursive case-insensitive name search rooted at
the session cwd, budget-capped (200 matches / 100k visited), skips .git,
never descends symlink dirs
- EditorHost reads the pref reactively (boolean snapshot) and keeps the
pre-merge layout verbatim when off
* feat(settings): select row type for declarative settings; editorExplorer as iconed select
- SidebarSettingToggle gains type 'select' with options {value,title,desc,icon}
and multi (default false; stores the picked values as an array in options
order). Any option carrying an icon renders big-icon option cards in the
dropdown and the icon in the closed anchor; icon-less rows are one-line text.
- SelectRow in SideCardSection rides the primitives Menu (portal); single-pick
commits and closes, multi toggles and stays open. Wired for both host-prefs
toggles and plugin-owned pluginToggles via the new onSelectValue seam.
- The editorExplorer merged-mode pref is now an iconed select (merged vs
separate) instead of a switch; the stored value stays boolean.
- Advertise the capability as 'settingSelect' in SIDEBAR_FEATURES.
* feat(editor): unify explorer into the editor surface, resizable tree dock, hoisted toolbar
- One tree implementation, two presentations: the shared TreePanel (global
name search + refresh + FileTree) docks as the editor tab's right panel
and — in merged mode — fills the explorer tab's window; the pref-off
explorer keeps its legacy header shell.
- The docked panel drag-resizes from its left edge (160-480px clamp),
persisted as tab.meta.treeWidth alongside treeOpen.
- The text editor's preview/edit/save toolbar moves into the path-input
header row: FileViewerProps gains internal toolbar fields ('host' mode
skips the viewer's own row, reports EditorToolbarState and registers
EditorToolbarControls); non-merged mode is byte-identical to before.
* feat(editor): single files window with in-place switching; explorer descriptor removed
- editor tab replaces explorer on the + menu (order 10, Files); persisted
explorer tabs migrate to the editor home tab via sanitizeState
- editorExplorer now only controls open behavior: merged = in-place
updateTab, independent = openSidebarFile; both modes share the merged
chrome (path input + hoisted preview/edit/save toolbar + tree toggle)
- file tree context menu gains 'open in new tab' / 'open to the side'
(mintTabId avoids the id safety net; insertLeafAt splits right)
- tree dock resize uses pointer capture (touch-action none, 6px handle)
- defaults: openByDefault off, sidebar width 35%
- file tree clips horizontal overflow (no sideways scroll)
- e2e: mount lane arms the editor-chunk wait before goto and clicks the
tree row's left edge (hover @-reference button sits mid-row); drag lane
expands the panel first (collapsed push writes 0px), waits for the
slide-in to settle, and picks the leftmost col-resize strip; 'Files'
title assertions require draggable to skip the bottom panel's welcome
cards
* feat(editor): split mode turns the path-less window into the standalone explorer
In independent (split) mode a path-less files window renders ONLY the
tree panel (search + FileTree, full-window form) — no path input, no
hoisted toolbar, no tree toggle. File clicks open per-path editor tabs
(full chrome, tree docked closed by default) through openSidebarFile,
unchanged. Merged mode is untouched (chrome + docked tree, in-place
switching). TreePanel's previously reserved 'full' prop now has its
consumer.
laoyh