test(objectql): the federated-readers ledger names the moved reference seam

Claude-Session: https://claude.ai/code/session_01Bw3y2DWhT9RPnrmDsNqEVG
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

packages/objectql/src/federated-injected-column-readers.test.ts

@@ -245,7 +245,7 @@ const READERS: Record<string, Row> = {
     disposition: 'caller-predicate',
     why: VALIDATION_RULE,
   },
-  'validation/rule-validator.ts#unevaluableFieldRuleError :: referenceTargetOf()': {
+  'validation/rule-validator.ts#referenceReadThrough :: referenceTargetOf()': {
     disposition: 'caller-predicate',
     why: VALIDATION_RULE,
   },