Resolve 4 correctness bugs (IRL-21, 22, 23, 24)

.github/workflows/ci.yml

@@ -0,0 +1,39 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+
+    # Use a throwaway SQLite file. The build prerenders / which queries the DB,
+    # so we need a real (empty) database — not just a generated Prisma client.
+    env:
+      DATABASE_URL: file:./prisma/ci.db
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Apply Prisma migrations
+        run: npx prisma migrate deploy
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Test
+        run: npm test
+
+      - name: Build
+        run: npm run build