This is a monorepo containing two main applications:

• Framework: React with Vite
• Location: client/
• Purpose: Frontend web application for creating and managing charts
• Tech Stack: React, Vite, Redux, Tailwind CSS, HeroUI
• Entry Point: client/src/main.jsx
• Build: npm run build (outputs to client/dist/)

• Framework: Node.js with Express
• Location: server/
• Purpose: Backend API and chart rendering engine
• Tech Stack: Express, Sequelize, Redis, BullMQ
• Entry Point: server/index.js
• Documentation: See server/AGENTS.md for detailed backend documentation, including the runtime Filtering Guide

• JavaScript only, double quotes.
• Keep generated code minimal with TODOs, no dead code.

• Implement spec if requested docs/specs/FS-YYYYMMDD-<slug>.md.
• Scaffold from spec, or directly implement if requested, run tests and linting to validate works, and fix any issues.

• Specs ≤ 2 pages. ADRs short. Use Mermaid if needed.