feat(usable): integrate current dbtool implementation snapshot

Co-Authored-By: Paperclip <noreply@paperclip.ing>

scripts/tui/demo-stack.sh

@@ -64,9 +64,8 @@ run_postgres_container() {
     --network "$DEMO_NETWORK_NAME" \
     -p 55432:5432 \
     -e POSTGRES_DB=dbtool_demo \
-    -e POSTGRES_USER=dbtool \
-    -e POSTGRES_PASSWORD=dbtool \
-    --health-cmd 'pg_isready -U dbtool -d dbtool_demo' \
+    -e POSTGRES_PASSWORD=dbtoolroot \
+    --health-cmd 'pg_isready -U postgres -d dbtool_demo' \
     --health-interval 5s \
     --health-timeout 5s \
     --health-retries 20 \