chore: import upstream snapshot with attribution

examples/cli/basic-workflow.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Basic DBX CLI workflow.
+# Replace "local" with one of your saved connection names.
+
+CONNECTION="${DBX_CONNECTION:-local}"
+
+echo "==> Checking local DBX setup"
+dbx doctor
+
+echo "==> Listing connections"
+dbx connections list --json
+
+echo "==> Listing tables"
+dbx schema list "$CONNECTION" --json
+
+echo "==> Running a read-only query"
+dbx query "$CONNECTION" "select 1 as ok" --json
+
+echo "==> Building schema context for prompts"
+dbx context "$CONNECTION" --tables users,orders