docker: ensure prod stage installs deps and uses builder server-dist; keep client dist from context

Dockerfile

@@ -43,9 +43,8 @@ COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
 RUN pnpm install --frozen-lockfile --prod --ignore-scripts=false --enable-pre-post-scripts \
   && pnpm rebuild bcrypt --build-from-source || true
 
-# Copy prebuilt application artifacts from repository (no TS build in image)
+# Copy client build from context and server build from builder
 COPY dist ./dist
-# Use freshly built server from builder stage
 COPY --from=builder /app/server-dist ./server-dist
 COPY public ./public