fix(evals): allow anti-cosplay wording in E4 check

Co-authored-by: edenbuilds <edenbuilds@users.noreply.github.com>

Author: cursoragent

evals/run.sh

@@ -16,10 +16,11 @@ done
 echo "== E3 commands =="
 for c in godmode warroom swarm pev ship; do check "commands/$c.md"; done
 echo "== E4 anti-cosplay =="
-if rg -n -i 'i am (elon|sam altman|andrej|karpathy)|impersonat' "$ROOT/agents" "$ROOT/skills" >/dev/null; then
-  echo "FAIL celebrity/impersonation language found"; fail=1
+# Allow anti-cosplay guardrails ("never impersonate"); fail only on roleplay claims.
+if rg -n -i 'i am (elon|sam altman|andrej karpathy|andrej|karpathy)|as elon musk|as sam altman' "$ROOT/agents" "$ROOT/skills" >/dev/null; then
+  echo "FAIL celebrity roleplay language found"; fail=1
 else
-  echo "OK no celebrity impersonation"
+  echo "OK no celebrity roleplay"
 fi
 echo "== E5 examples =="
 check examples/warroom-decision.md