fix(changeset): the object-metric narrowing declares Clause-② yes (narrowing), per the re-issued claim

Claude-Session: https://claude.ai/code/session_01T9u38rswFp5Rw8DswRUReJ
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

.changeset/21464-component-props-metric-family-typed.md

@@ -4,7 +4,7 @@
 
 feat(spec)!: an `object-metric` page block's `aggregate` and `trend` take the shape the tile reads instead of any value (#21464)
 
-Clause-②: no (narrowing)
+Clause-②: yes (narrowing)
 
 <!-- adr-0087: registered ui-object-metric-aggregate-trend-typed -->