chore: update Dockerfile comment for sdk package exclusion

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: jocelynlin-wd

Dockerfile

@@ -30,7 +30,7 @@ WORKDIR /usr/src/flowise
 # Copy app source
 COPY . .
 
-# Install dependencies and build (excluding UI-only packages not needed for Docker)
+# Install dependencies and build (excluding sdk packages not needed for Docker)
 RUN pnpm install && \
     pnpm build --filter=!@flowiseai/agentflow --filter=!@flowiseai/observe