1.731.0 (2026-06-19) Features backend: auto-reconnect postgres trigger listener with backoff (WIN-2073) (#9666) (a425431) Bug Fixes backend: grant notify_event access to windmill roles (#9665) (a682d02) mcp: repair invalid type keywords in tool JSON schemas (#9667) (c30bdec) trigger flow error handler on unrecoverable (OOM/zombie) step failures (#9662) (7e4df02)