fix(pm): derive the always-runs tail dispatch-gates could never name (#13333) (#13501)

Report the unconditional CI steps the family derivation names NOTHING for,
instead of widening a matcher for the one gate that reddened.


Claude-Session: https://claude.ai/code/session_01Pk26oZ12t5N1hwGW1m1MgC

Co-authored-by: Claude <pm@objectstack.ai>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

Author: 3 people