Lotus CIandClaude Opus 5.5 2700aad209 perf(backgrounds): animated chat backgrounds cost ~5% CPU instead of 50 to 70% (#337) ...

background-position can't run on the compositor, so every frame of the
animated chat backgrounds repainted the whole chat area: 51 to 72% main-thread
busy while idle in a room at 60 fps. The drifts are slow (3 to 22 px/s,
under a pixel per frame), so each animation now uses steps(): about 12
updates/s for fireflies, stars and aurora and about 24/s for rain and
pulse.

Measured headless (20 s idle in a room, CDP TaskDuration):
  none 0.7% → 0.9%; rain 50.7 → 5.9; stars 71.2 → 4.5;
  pulse 64.9 → 5.8; aurora 58.9 → 4.2; fireflies 71.7 → 3.8.

Aurora and pulse used ease-in-out; with steps() their motion is now
even-paced. Pause animations / reduced motion still strip the animation.

Fixes #337

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017PCb59uY3UKqDqt7B6hzd5

2026-10-16 19:05:52 -04:00

..

backgrounds

perf(backgrounds): animated chat backgrounds cost ~5% CPU instead of 50 to 70% (#337)

2026-10-16 19:05:52 -04:00

avatarDecorations.test.ts

fix(security): validate avatar-decoration slugs from remote profiles

2026-09-12 14:48:35 -04:00

avatarDecorations.ts

fix(decorations): drop clyde_invaders (Discord Clyde artwork)

2026-09-26 00:21:19 -04:00

chatBackground.ts

perf(backgrounds): animated chat backgrounds cost ~5% CPU instead of 50 to 70% (#337)

2026-10-16 19:05:52 -04:00

LotusDecorationPusher.tsx

feat(call): host half of the 0.25.0-lotus.2 fork changes

2026-09-13 01:26:34 -04:00