debug(ci): add connection diagnostics before migrate

.gitea/workflows/test.yml

@@ -52,6 +52,15 @@ jobs:
       - name: Install dependencies
         run: npm install --ignore-scripts && deno install
 
+      - name: Debug connection
+        run: |
+          echo "--- pg_hba.conf ---"
+          sudo cat /etc/postgresql/*/main/pg_hba.conf | grep -v "^#" | grep -v "^$"
+          echo "--- listening ports ---"
+          sudo ss -tlnp | grep 5432 || echo "nothing on 5432"
+          echo "--- test connection ---"
+          PGPASSWORD=test psql -h localhost -U test -d polympr_test -c "SELECT 1" || echo "connection failed"
+
       - name: Apply migrations
         env:
           POSTGRES_HOST: localhost