chore: import upstream snapshot with attribution

scripts/test_auth_e2e.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_root=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
+provider=${JCODE_PROVIDER:-auto}
+prompt=${JCODE_AUTH_TEST_PROMPT:-"Reply with exactly AUTH_TEST_OK and nothing else. Do not call tools."}
+
+echo "=== Auth E2E Test ==="
+echo "Provider: ${provider}"
+
+args=(auth-test --prompt "$prompt")
+
+if [[ "${provider}" != "auto" ]]; then
+  args=(--provider "$provider" "${args[@]}")
+else
+  args+=(--all-configured)
+fi
+
+if [[ "${JCODE_AUTH_TEST_LOGIN:-0}" == "1" ]]; then
+  args+=(--login)
+fi
+
+if [[ "${JCODE_AUTH_TEST_NO_SMOKE:-0}" == "1" ]]; then
+  args+=(--no-smoke)
+fi
+
+if [[ "${JCODE_AUTH_TEST_JSON:-0}" == "1" ]]; then
+  args+=(--json)
+fi
+
+(cd "$repo_root" && cargo run --bin jcode -- "${args[@]}")
+
+echo ""
+echo "=== Auth E2E OK ==="