fix(ci): wait for postgres readiness before migration + tests

.woodpecker/ci.yml

@@ -48,7 +48,18 @@ steps:
       DATABASE_URL: postgresql://mosaic:mosaic@postgres:5432/mosaic
     commands:
       - *enable_pnpm
-      - pnpm --filter @mosaic/db run db:migrate 2>/dev/null || true
+      # Install postgresql-client for pg_isready
+      - apk add --no-cache postgresql-client
+      # Wait up to 30s for postgres to be ready
+      - |
+        for i in $(seq 1 30); do
+          pg_isready -h postgres -p 5432 -U mosaic && break
+          echo "Waiting for postgres ($i/30)..."
+          sleep 1
+        done
+      # Run migrations (DATABASE_URL is set in environment above)
+      - pnpm --filter @mosaic/db run db:migrate
+      # Run all tests
       - pnpm test
     depends_on:
       - typecheck