fix(ci): add postgres service sidecar for integration tests

.woodpecker/ci.yml

@@ -44,8 +44,19 @@ steps:
 
   test:
     image: *node_image
+    environment:
+      DATABASE_URL: postgresql://mosaic:mosaic@postgres:5432/mosaic
     commands:
       - *enable_pnpm
+      - pnpm --filter @mosaic/db run db:migrate 2>/dev/null || true
       - pnpm test
     depends_on:
       - typecheck
+
+services:
+  postgres:
+    image: pgvector/pgvector:pg17
+    environment:
+      POSTGRES_USER: mosaic
+      POSTGRES_PASSWORD: mosaic
+      POSTGRES_DB: mosaic