Harden portable Redmine CLI runtime and cache writes

bin/rtd

@@ -1,6 +1,5 @@
 #!/usr/bin/env bash
-# Muscle-memory wrapper: LAN/dev customer-service cache + base URL.
-# Usage: rtd note --issue-id 39305 --body 'test' --apply
+# Portable tickets dev entry point. No shell evaluation of credentials.
 set -euo pipefail
-ROOT="$(cd "$(dirname "$0")/.." && pwd)"
-exec "$ROOT/redmine_tickets.py" --config "$ROOT/configs/dev.json" "$@"
+ROOT="$(dirname "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")")"
+exec python3 "$ROOT/redmine_cli_runtime.py" tickets dev "$@"