fix: перенести сборку фронта на хост CI, убрать ui-build стадию из Docker

Dockerfile

@@ -1,15 +1,6 @@
-FROM node:22-bookworm-slim AS ui-build
-WORKDIR /app
-COPY package.json package-lock.json ./
-RUN --mount=type=cache,target=/root/.npm \
-    npm ci --no-audit --no-fund --network-timeout=300000
-COPY index.html vite.config.js ./
-COPY src/web ./src/web
-RUN npm run build
-
 FROM debian:bookworm-slim
 ARG SINGBOX_VERSION=1.12.13
-COPY --from=ui-build /app/dist /app/dist
+COPY dist /app/dist
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends ca-certificates curl iptables iproute2 nodejs dumb-init \