**weather-data** is a full-stack meteorological data analysis platform: Java 17 / Spring Boot 3.5 multi-module backend + Vue 3 / Vite 5 / TypeScript frontend. Forked from [renren-security](https://gitee.com/renrenio/renren-security).
- **No emoji in UI strings.** Plain Chinese text for labels, buttons, status. Functional Unicode symbols are allowed and used: status dots `●`/`○`, checkmark `✓`, and box-drawing chars (`╔ ═ ╗ ━`) in log banners.
- **No emoji in code comments or docstrings.** Plain text only.
- **Keep CLAUDE.md current** — whenever code is modified, added, deleted, or any file change affects the project structure, build process, architecture, or conventions, update the relevant `CLAUDE.md` in the same commit to reflect the new state. This file and its children are the source of truth for both humans and Claude; stale documentation is a bug.
Five services in `docker-compose.yml`: mysql (8.0), redis (7 Alpine + AOF), admin JAR, UI (Nginx + built frontend), gateway (Nginx reverse proxy on port 80). The `api` service definition still references the deleted `system-api` module — remove it before deploying.
**Important**: The `deploy/` directory referenced by Docker Compose (`deploy/mysql/init/`, `deploy/nginx/`) **does not exist locally** — it must be created for deployment.
Environment variables from `.env` at project root. Two frontend Dockerfiles: standard multi-stage (`Dockerfile`) and pre-built (`Dockerfile.offline`).