predicate alignment

Canonical: `ex:rel/parent_child`

Predicates from the live registry whose trigram similarity to ex:rel/parent_child is ≥ 0.55. Selecting an alias rewrites every live statement using it so it uses the canonical predicate instead, and files a closeMatch fact under ctx:user/merges.

tighter (0.45) · looser-only (0.70)

Predicate	Similarity	Live statements
`rel/parent_child`	0.850	55
`ex:parent_child`	0.800	2
`ex:parent_child_relation`	0.731	2
`ex:rel/parent`	0.700	13
`ex:role/parent's child`	0.654	2
`ex:role/parent of child`	0.630	10
`ex:parent_to_child_risk`	0.630	2
`ex:parent_child_match`	0.615	2
`ex:role/parental child`	0.593	2
`ex:role/child's parents`	0.571	2
`ex:rel/step_parent`	0.560	36
`ex:not_parent_child_with`	0.552	2

Canonical: ex:rel/parent_child

Canonical: `ex:rel/parent_child`