fix: distinguish identical clarify prompts by id

static/messages.js

@@ -2989,6 +2989,7 @@ function showClarifyCard(pending) {
     question,
     choices,
     sid: pending._session_id || (S.session && S.session.session_id) || null,
+    clarify_id: pending.clarify_id || null,
   });
   const card = _ensureClarifyCardDom();
   if (!card) return;

tests/test_sprint30.py

@@ -664,3 +664,5 @@ class TestClarifyCardTimerLogic:
         body = m.group(0)
         assert 'JSON.stringify' in body, 'showClarifyCard must compute a signature via JSON.stringify'
         assert '_clarifySignature' in body, 'showClarifyCard must check/set _clarifySignature'
+        assert 'clarify_id: pending.clarify_id || null' in body, \
+            'showClarifyCard signature must include clarify_id so a newly queued identical prompt is not mistaken for the previous one'