feat: add asset preferences, video research, and Remotion ad assets

- Add thumbs-down feedback modal and preference API endpoint
- Add AI UGC video platforms research doc
- Add ReflectAd Remotion composition with public flow assets
- Add gemini-ad-designer and poster-ad-designer pipeline skills
- Add research_reflect_v1.1 pipeline script

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:20-alpine AS base
+FROM node:20-slim AS base
 
 # Install Claude Code CLI
 RUN npm install -g @anthropic-ai/claude-code
@@ -21,15 +21,30 @@ RUN npm run build
 FROM base AS runner
 WORKDIR /app
 ENV NODE_ENV=production
+ENV HOME=/home/node
+
+# Create Claude credentials directory with correct ownership
+RUN mkdir -p /home/node/.claude && chown -R node:node /home/node
 
 COPY --from=builder /app/.next/standalone ./
 COPY --from=builder /app/.next/static ./.next/static
 COPY --from=builder /app/public ./public
 COPY --from=builder /app/prisma ./prisma
 COPY --from=builder /app/lib/generated ./lib/generated
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package.json ./package.json
+COPY --from=builder /app/prisma.config.ts ./prisma.config.ts
 
 # Copy the marketing pipeline
 COPY pipeline/ ./pipeline/
 
+# Startup script: ensure DB exists, then start server
+RUN printf '#!/bin/sh\nnpx prisma db push 2>&1 || true\nnpx prisma db seed 2>&1 || true\nnode server.js\n' > /app/start.sh && chmod +x /app/start.sh
+
+# Ensure node user owns the app directory
+RUN chown -R node:node /app
+
+USER node
+
 EXPOSE 3000
-CMD ["node", "server.js"]
+CMD ["/app/start.sh"]