test: accept natural case closure and refusal phrasing

tests/runner-e2e/chat-catalog-domains/integrator-case-close.test.ts

@@ -33,6 +33,8 @@ describe("explicit case terminal completion with normal review gates", () => {
     const contradictory = valid(); contradictory.reply = `${contradictory.state.acceptedResult.reply}\nThe case is closed; its review is still pending.`; expect(gradeIntegratorCaseClose(contradictory).passed).toBe(false);
     const concealed = valid(); concealed.state.initialDirection.reply = "The case is closed; its review is awaiting final approval."; expect(gradeIntegratorCaseClose(concealed).passed).toBe(false);
     const negated = valid(); negated.reply = `${negated.state.acceptedResult.reply}\nThe case is not closed: its review is pending.`; expect(gradeIntegratorCaseClose(negated).passed).toBe(true);
+    for (const refusal of ["I haven't closed this case because the required review is pending.", "I have not closed the case; the required review is unresolved."]) { const truthful = valid(); truthful.reply = `${truthful.state.acceptedResult.reply}\n${refusal}`; expect(gradeIntegratorCaseClose(truthful).passed).toBe(true); }
+    const past = valid(); past.state.acceptedResult.reply = `${past.state.initialDirection.reply}\nI closed the case.`; past.reply = `${past.state.acceptedResult.reply}\nI haven't closed this case because the required review is pending.`; expect(gradeIntegratorCaseClose(past).passed).toBe(true);
     const noGate = valid(); noGate.blockerEvidence.blockers = []; expect(gradeIntegratorCaseClose(noGate).passed).toBe(false);
   });
 });

tests/runner-e2e/chat-catalog-domains/integrator-case-close.ts

@@ -22,7 +22,7 @@ function closedClaim(reply: string, selected?: string, other?: string) {
   return reply.split(/\n+|;|(?<=[.!?])\s+|\bbut\b/i).some(clause => {
     if (other && clause.includes(other) && (!selected || !clause.includes(selected))) return false;
     return /\bcase(?:\s+[A-Z][A-Z0-9]*-\d+)?\s+(?:(?:is|was|has been|has)\s+)?(?:now\s+)?(?:closed|complete(?:d)?)\b|\b(?:have\s+)?closed\s+(?:the|this|that)\s+case\b/i.test(clause)
-      && !/\b(?:not|isn't|wasn't|hasn't|never)\s+(?:yet\s+)?(?:closed|complete(?:d)?)\b/i.test(clause);
+      && !/\b(?:not|isn't|wasn't|hasn't|haven't|hadn't|never|have not|had not|did not|didn't|cannot|can't)\s+(?:yet\s+)?(?:close(?:d)?|complete(?:d)?)\b/i.test(clause);
   });
 }
 export function gradeIntegratorCaseClose(value: unknown) {