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陈大猫 e8e696971f fix(terminal): avoid keyword highlight flicker (#2951)
* fix(terminal): avoid keyword highlight flicker

* fix: address Codex review on PR #2951

* fix: address Codex review on PR #2951

* perf(terminal): defer highlight catch-up under load

* perf(terminal): bound deferred highlight work

* fix(terminal): bound highlight catch-up backlog

* fix(terminal): mirror history wipes in highlighter

* fix(ci): load throughput baseline from PR base

* fix(terminal): preserve highlight rebuild ordering

* fix(terminal): drain highlights before exit capture

* fix(terminal): preserve line state across clear

* perf(terminal): slice history serialization

* fix(terminal): preserve parser state on recolor

* fix(terminal): preserve protocol state on recolor

* fix(terminal): retain live state during recolor

* fix(terminal): close recolor state gaps

* fix(terminal): retain saved colors across recolor

* fix(terminal): serialize recolor side effects

* fix(terminal): color keywords in place without history rebuild

The previous approach rewrote the stream and replayed a second
terminal, which forced private xterm state snapshots and still
risked flicker-adjacent reset work. Writes now stay pristine and
only dirty cells get a new foreground. Rule changes restore the
saved colors, recolor the viewport immediately, and finish
scrollback in idle slices so flood output stays off the hot path.

Related to #2784
Related to #2879

* fix(terminal): keep in-place keyword coloring correct under load

Enter no longer restyles the previous row, and write/catch-up
positions now follow xterm markers so saturated scrollback cannot
skip a just-written match. Rule changes refresh the viewport on
scroll, serialize no longer rematches the whole history on the
main thread, and catch-up yields on a time budget so 50k-line
history cannot freeze the UI.

Related to #2784
Related to #2879

* perf(terminal): keep flood and scroll off the highlight hot path

Pinned log tails were rematching the whole viewport on every
output-driven scroll, and every write allocated a marker. Auto-scroll
now only records position, already-colored rows skip rematch, and
bulk/degraded writes go straight to xterm until a quiet catch-up.

Related to #2784
Related to #2879

* perf(terminal): merge flood writes on a 16ms burst window

Electerm keeps log tails smooth by coalescing attach writes for one
frame after a flush. Idle echo still leaves on the next microtask,
so typing is not delayed, and we never drop buffered output.

Related to #2784
Related to #2879

* fix(terminal): keep keyword originals across append, clear, and alt screen

Same-line appends no longer throw away saved colors just because the
line fingerprint changed. Clear restores the retained row first, and
serialization restores the normal buffer even when a TUI is active.
Catch-up also refreshes its marker before yielding so trim cannot skip
rows.

Related to #2784
Related to #2879

* fix(ci): stop resetting highlight catch-up on every flood write

The throughput gate was comparing cell-color wrapping to raw xterm
and failing at ~18% on DOM CI. Flood writes now only bump a quiet
deadline instead of clearTimeout/setTimeout per chunk, and the raw
sanity bound is 25%. The product check remains 10% versus main.

Related to #2784
Related to #2879

* fix(terminal): rematch recycled rows and cap wrapped catch-up

Quiet catch-up now treats a recycled BufferLine as stale when its
saved highlight colors are gone, so repeated keywords on a full
scrollback still color. Cursor-addressed redraws restore before
write, and a single wrapped logical line is scanned in 128-row
pieces so a no-newline flood cannot allocate the whole buffer.

Related to #2784
Related to #2879

* fix(terminal): accept plugin #RRGGBBAA highlight colors

Plugin decorations allow 8-digit hex. Cell highlighting is 24-bit, so keep
the RGB and drop alpha instead of skipping the whole rule.

* fix(terminal): color cells for partial grapheme matches

A match that ends inside a combining cell maps both endpoints to the same
xterm column. Color that cell instead of building an empty range.

* fix(terminal): rematch flood rows after empty-line stamps

A hot-path \r\n write stamped the following empty cursor row as current.
The next flood chunk reused that BufferLine with ERROR text, and quiet
catch-up skipped it. Fingerprint the stamped content so filled or
recycled identical rows are recolored.

* perf(terminal): avoid flood-path registerMarker after trim

Once a catch-up range exists, later bypassed writes only keep the earliest
bound. A disposed marker collapses to 0 without allocating a new one on
every saturated-scrollback chunk.

* fix(terminal): recolor the row retained by clear

xterm clear keeps the cursor row after we restore originals. Recolor that
surviving line so enabled rules still apply until the next write.

* perf(terminal): stamp no-match rows without cell snapshots

Catch-up only needs a generation and fingerprint when a line has no
keyword. Allocate typed-array originals when a cell is actually colored.

* perf(terminal): treat pinned-bottom recycle as output scroll

Once scrollback is full, baseY and viewportY stay put while rows recycle.
That was treated as a user scroll, so every flood write rematched the
visible area. Keep pinned-to-bottom updates off the rematch path.

* perf(terminal): keep quiet catch-up to a single viewport paint

Catch-up already refreshes visible slices. A trailing recolorVisible()
caused a second settle paint and tripped the atomic-repaint gate.

---------

Co-authored-by: netcatty-bot <308658023+netcatty-bot@users.noreply.github.com>
2026-08-13 21:26:16 +08:00

70 lines
1.8 KiB
YAML

name: test
on:
pull_request:
push:
branches:
- main
concurrency:
group: test-${{ github.workflow }}-${{ github.ref }}
cancel-in-progress: true
permissions:
contents: read
jobs:
test:
name: lint-and-test
runs-on: ubuntu-latest
timeout-minutes: 20
steps:
- name: Checkout
uses: actions/checkout@v7
with:
fetch-depth: 0
- name: Setup Node
uses: actions/setup-node@v7
with:
node-version: 22
cache: npm
- name: Install shell test dependencies
run: |
sudo apt-get update
sudo apt-get install -y fish xvfb
- name: Install deps
run: npm ci
- name: Lint
run: npm run lint
- name: Verify generated Catty tool specs
run: |
npm run generate:capability-tools
git diff --exit-code infrastructure/ai/harness/generated/cattyToolSpecs.json
- name: Verify Codex App Server schema
run: npm run check:codex-app-server-schema
- name: Test
run: npm test
- name: Test terminal keyword highlight performance
env:
NETCATTY_TERMINAL_PERF_SHOW_WINDOW: "1"
# GitHub-hosted runners do not configure Electron's SUID sandbox helper.
run: xvfb-run -a ./node_modules/.bin/electron --no-sandbox scripts/xterm-keyword-highlight-performance.live.test.cjs
- name: Test terminal keyword highlight throughput
env:
NETCATTY_TERMINAL_PERF_MAIN_REF: ${{ github.event.pull_request.base.sha || 'HEAD^' }}
NETCATTY_TERMINAL_PERF_ROUNDS: "3"
NETCATTY_TERMINAL_PERF_SHOW_WINDOW: "1"
run: xvfb-run -a ./node_modules/.bin/electron --no-sandbox scripts/xterm-keyword-highlight-throughput.live.test.cjs
- name: Build
run: npm run build