External/buzz

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d9dc76c0aa fix(desktop): bound initial timeline retention (#5603 )

## Summary

- let Virtua own the initial visible timeline range instead of passing
every loaded row to `keepMounted`
- populate the existing bounded retention window after the virtualizer
reports its first settled viewport
- cover a 10,000-row timeline to prevent an all-history initial mount
regression

## Why

`useTimelineRetention` initialized its retained-key set with every
loaded timeline key. Those indices were passed to Virtua's
`keepMounted`, effectively defeating virtualization during initial
channel positioning until `onScrollEnd` pruned the set.

On a large real channel this grew WebContent into multiple gigabytes and
blocked the renderer main thread for 20+ seconds while WebKit laid out
and painted the retained rows. Starting with no retained rows restores
Virtua's visible-range mount; the existing reader-neighborhood and
visual-tail retention is populated once the viewport is measured.

## Validation

- `node --import ./test-loader.mjs --experimental-strip-types --test
src/features/messages/ui/useTimelineRetention.test.mjs`
- pre-push hook at `8e86a189de7e9a8f2cb119396c8f912ed9dacd6e`:
branch-skew, desktop-check, desktop-typecheck, and all 4,671 desktop
tests passed
- manual ablation against PR #5599 on the affected profile: catastrophic
channel-switch stalls disappeared

## Authorship disclosure

Carl implemented and is posting this change on Wes's behalf.

---------

Signed-off-by: Wes <wesbillman@users.noreply.github.com>
Co-authored-by: Carl <c7ebe626f000404285d3686e1dc74cc07cc60a9754a150041ba132e14bd3e2ec@buzz.block.builderlab.xyz>

2026-08-11 15:59:36 -07:00

..

fix(desktop): externalize boot <style> to prevent Tauri CSP nonce override (#5242 )

2026-08-07 15:05:38 -07:00

feat: ship Buzz Term (#4347 )

2026-08-03 21:51:17 -04:00

fix(desktop): bound initial timeline retention (#5603 )

2026-08-11 15:59:36 -07:00

Add glass appearance and cohesive settings (#5478 )

2026-08-11 10:25:23 -07:00

Improve desktop search scoping (#5306 )

2026-08-11 11:11:57 -07:00

.gitignore

ci(desktop): surface flaky E2E tests instead of retry-masking them (#1838 )

2026-07-13 22:14:40 -04:00

biome.json

…

components.json

…

index.html

fix(desktop): externalize boot <style> to prevent Tauri CSP nonce override (#5242 )

2026-08-07 15:05:38 -07:00

package.json

chore(release): release Buzz Desktop version 0.5.9 (#5521 )

2026-08-10 15:21:14 -07:00

playwright.config.ts

Improve desktop search scoping (#5306 )

2026-08-11 11:11:57 -07:00

playwright.live.config.ts

feat(desktop+acp): spawn a harness per (agent, community) pair at GUI startup — warm sockets, lazy LLM pool (#2122 )

2026-07-22 13:24:46 -07:00

playwright.perf.config.ts

fix(desktop): single-owner anchored scroll for dynamic loading (#1115 )

2026-06-18 20:40:05 -04:00

postcss.config.js

…

README.md

…

tailwind.config.js

feat(desktop): add focused thread mode (#2108 )

2026-07-19 09:55:39 -06:00

test-loader-hooks.mjs

fix(desktop): make the test loader work on Windows (#2758 )

2026-07-27 13:00:55 -04:00

test-loader.mjs

…

tsconfig.json

fix(desktop): fix workspace rail badge disappearance and persist mark-as-unread (#1747 )

2026-07-10 21:15:53 -04:00

tsconfig.node.json

…

vite.config.ts

feat(projects): support multiple repositories (#4671 )

2026-08-04 17:30:12 -04:00

README.md

Buzz

Desktop chat shell with:

Tauri + React + TypeScript + Vite
Tailwind CSS
shadcn/ui-ready shared components
Biome (lint/format/check)
Feature-driven frontend structure

Scripts

pnpm dev - run the web frontend
pnpm tauri dev - run the desktop app
pnpm build - typecheck and build frontend
pnpm typecheck - TypeScript checks
pnpm lint - Biome lint
pnpm format - Biome format (write)
pnpm check - Biome check

Structure

src/shared - reusable app-wide code (ui, lib, styles)
src/features - feature modules (vertical slices)
src/app - top-level app composition