milestone 23 s3: plan names stylex and react aria

PLAN.md

@@ -135,7 +135,7 @@ IPv4 + IPv6 full parity for: client identity, rate limiting, logging, group assi
 
 ### 3.14 Frontend Stack (Decision I)
 
-- Vite + React + TypeScript + Tailwind; TanStack Router + TanStack Query. SPA, no SSR.
+- Vite + React + TypeScript + StyleX + React Aria; TanStack Router + TanStack Query. SPA, no SSR.
 - **Built assets embedded in the binary** at compile time: single self-contained artifact, no asset-path config, no binary/UI skew. `zig build` accepts the dist path; the release pipeline runs `npm run build` first (CI always does).
 - Dev-mode flag serves assets from disk so UI iteration needs no Zig rebuild.
 
@@ -232,7 +232,7 @@ src/
       rules.zig  local.zig  lookup.zig  pause.zig  settings.zig
       upstream_health.zig  certs.zig  health.zig  version.zig
 
-web/                     # Vite + React + TS + Tailwind + TanStack
+web/                     # Vite + React + TS + StyleX + React Aria + TanStack
 vendor/                  # sqlite3 amalgamation, mbedtls (pinned)
 docs/                    # tutorial/ how-to/ reference/ explanation/ (Diátaxis)
 tests/                   # dns/ integration/ fuzz/