feat: add dedicated calendar timeline scheduler service

frontend/schedulers/client-timeline-calendar/Dockerfile

@@ -0,0 +1,19 @@
+FROM node:22-bookworm-slim
+
+WORKDIR /app/frontend
+
+RUN apt-get update -y \
+  && apt-get install -y --no-install-recommends openssl ca-certificates \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY package*.json ./
+RUN npm ci --ignore-scripts --legacy-peer-deps
+
+COPY prisma ./prisma
+RUN npx prisma generate --schema=prisma/schema.prisma
+
+COPY schedulers ./schedulers
+
+ENV NODE_ENV=production
+
+CMD ["node", "schedulers/client-timeline-calendar/run.mjs"]