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Will Pfleger a362fecc23 perf(desktop): parallelize relay agent directory rebuild (#6258) 
The shared-agent directory rebuild resolves runtime directories, owner
profiles, and managed policies for every candidate agent via dozens of
exact-author query batches. Issuing those batches serially made a
~100-agent rebuild take 6.5–8.4s, which dominated @mention autocomplete
latency.

#6224 already scoped the *send-path* revalidation
(`revalidate_relay_agents`) to just the mentioned pubkeys, so the send
stall is fixed. But the autocomplete directory (`list_relay_agents`)
still rebuilds the full membership set serially — this PR removes that
remaining cost.

## Change

Run the query batches with bounded concurrency via a shared
`query_filter_batches` helper. Each directory rebuild constructs one
`tokio::sync::Semaphore` (8 permits) and shares it across all of that
rebuild's phases, so the runtime-directory and owner-profile phases that
run concurrently under one `try_join!` never exceed 8 `/query` requests
in flight together — the bound is per-rebuild. The policy phase reuses
the same budget. Same events, keyed by pubkey downstream so ordering is
irrelevant.

Both `list_relay_agents` (autocomplete) and `revalidate_relay_agents`
(scoped send-path check from #6224) funnel through
`list_relay_agents_for_selection`, so the helper is a no-op for the tiny
1–3-mention revalidation set and only the full autocomplete rebuild sees
the win — the scoped send path is untouched.

## Measurement

Live on the production relay, warm connection, full `list_relay_agents`:

| | Full-directory rebuild |
|---|---|
| Serial (before) | 6.5–8.4s |
| Bounded-concurrency (after) | 2.0–3.4s |

Returned pubkey set is byte-identical pre/post. The 8-permit ceiling
holds under saturation (24 batched requests → peak exactly 8, zero
failures, zero requests left in flight).

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
2026-08-18 22:35:50 +00:00
..
public
Rename Bumble agent to Pollen (#5864)
2026-08-17 10:49:03 -07:00
scripts
feat: ship Buzz Term (#4347)
2026-08-03 21:51:17 -04:00
src
Add font size and conversation density preferences (#5644)
2026-08-18 15:24:09 -07:00
src-tauri
perf(desktop): parallelize relay agent directory rebuild (#6258)
2026-08-18 22:35:50 +00:00
tests
Add font size and conversation density preferences (#5644)
2026-08-18 15:24:09 -07:00
.gitignore
test: add deterministic desktop release smoke (#5699)
2026-08-13 14:49:40 -07:00
biome.json
feat: pnpm workspace, deep links, and web repos page (#476)
2026-05-04 17:09:25 -07:00
components.json
feat: add desktop app (#3)
2026-03-09 13:02:11 -07:00
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 0.5.17 (#6234)
2026-08-18 09:40:31 -07:00
playwright.config.ts
fix(desktop): hide the offcanvas-collapsed sidebar so it stops painting over the community rail (#5947)
2026-08-15 07:49:41 -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
playwright.release-smoke.config.ts
test: add deterministic desktop release smoke (#5699)
2026-08-13 14:49:40 -07:00
postcss.config.js
fix(deps): migrate Tailwind CSS from v3 to v4 (#711)
2026-05-22 20:45:47 -04:00
README.md
Rename desktop app to Buzz (#960)
2026-06-11 15:06:24 +00:00
tailwind.config.js
Add font size and conversation density preferences (#5644)
2026-08-18 15:24:09 -07:00
test-loader-hooks.mjs
feat(model-capabilities): drive model capabilities and labels from one manifest (#5597)
2026-08-17 11:23:28 -04:00
test-loader.mjs
feat(desktop): thread-aware notifications with mutable follow/mute controls (#761)
2026-05-28 18:43:41 -04:00
tsconfig.json
feat(model-capabilities): drive model capabilities and labels from one manifest (#5597)
2026-08-17 11:23:28 -04:00
tsconfig.node.json
feat: add desktop app (#3)
2026-03-09 13:02:11 -07:00
vite.config.ts
feat(model-capabilities): drive model capabilities and labels from one manifest (#5597)
2026-08-17 11:23:28 -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