Add basic CI workflow

.env.example

@@ -0,0 +1,4 @@
+DATABASE_URL=
+JWT_ACCESS_SECRET=
+NODE_ENV=development
+PORT=3000

.eslintrc.cjs

@@ -1,24 +1,8 @@
 module.exports = {
   root: true,
-  parser: '@typescript-eslint/parser',
-  parserOptions: { ecmaVersion: 'latest', sourceType: 'module' },
-  plugins: ['@typescript-eslint', 'react', 'react-hooks'],
-  extends: [
-    'eslint:recommended',
-    'plugin:@typescript-eslint/recommended',
-    'plugin:react/recommended',
-    'plugin:react-hooks/recommended',
-    'prettier'
-  ],
-  env: {
-    browser: true,
-    node: true,
-    es2021: true
-  },
-  settings: {
-    react: { version: 'detect' }
-  },
-  rules: {
-    'react/react-in-jsx-scope': 'off'
-  }
+  env: { node: true },
+  extends: ["eslint:recommended", "plugin:@typescript-eslint/recommended", "prettier"],
+  parser: "@typescript-eslint/parser",
+  plugins: ["@typescript-eslint"],
+  rules: {},
 };

.github/workflows/ci.yml

@@ -2,50 +2,28 @@ name: CI
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
 
 jobs:
   build:
     runs-on: ubuntu-latest
+
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout code
+        uses: actions/checkout@v3
 
-      - name: Use Node.js
-        uses: actions/setup-node@v4
+      - name: Use Node.js 18
+        uses: actions/setup-node@v3
         with:
-          node-version: '22'
-          cache: 'npm'
+          node-version: 18
 
       - name: Install dependencies
-        run: npm install
+        run: npm ci
 
       - name: Lint
         run: npm run lint
-        continue-on-error: true
 
       - name: Test
         run: npm test
-
-      - name: Build
-        run: npm run build
-
-      - name: Upload Pages artifact
-        if: success()
-        uses: actions/upload-pages-artifact@v1
-        with:
-          path: dist
-
-      - name: Deploy to GitHub Pages
-        if: success()
-        uses: actions/deploy-pages@v1
-
-      - name: Deploy to Vercel
-        if: success() && env.VERCEL_TOKEN != ''
-        run: |
-          npx vercel deploy --prod --token $VERCEL_TOKEN --confirm
-        env:
-          VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}
-          VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
-          VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}

.prettierrc

@@ -1,5 +1,6 @@
 {
   "singleQuote": true,
-  "semi": true,
-  "trailingComma": "all"
+  "tabWidth": 2,
+  "trailingComma": "es5",
+  "semi": true
 }

README.md

@@ -27,8 +27,19 @@ npm install
 npm run dev
 ```
 
+Copy `.env.example` to `.env` and fill in the required values before starting the server.
+
 Use `start-all.sh` to run both the Node.js backend and Streamlit interface together.
 
+## Environment Variables
+
+Create a `.env` file based on `.env.example` with the following:
+
+- `DATABASE_URL`: Your Postgres connection string
+- `JWT_ACCESS_SECRET`: JWT signing key
+- `NODE_ENV`: `development`, `production`, or `test`
+- `PORT`: Optional server port (defaults to 3000)
+
 ## Folder Structure Overview
 
 - `client/` – React frontend powered by Vite