* fix: sanitize flow step summaries for filesystem-safe names Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * chore: bump windmill-utils-internal to 1.3.6 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * fix: handle Windows reserved device names in flow step sanitization Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * fix: collapse consecutive underscores in sanitized flow step names Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * chore: bump windmill-utils-internal to 1.3.7 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * bump --------- Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>