Add smoke-test.sh for CI binary validation

Author: DeusData

scripts/smoke-test.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Smoke test: verify the binary starts and reports its version.
+BINARY="${1:?usage: smoke-test.sh <binary-path>}"
+
+echo "=== smoke-test: --version ==="
+OUTPUT=$("$BINARY" --version 2>&1)
+echo "$OUTPUT"
+
+if echo "$OUTPUT" | grep -qE 'v?[0-9]+\.[0-9]+|dev'; then
+  echo "OK: version output looks valid"
+else
+  echo "FAIL: unexpected version output"
+  exit 1
+fi
+
+echo "=== smoke-test: passed ==="