diff --git a/dumas_h3_longvideos.py b/dumas_h3_longvideos.py
index 9e1e54f..5cc4d23 100644
--- a/dumas_h3_longvideos.py
+++ b/dumas_h3_longvideos.py
@@ -4462,25 +4462,46 @@ def _slot_refs_for_text(text, ref_slots):
     return refs
 
 
-def _named_character_refs_for_text(text, ref_slots):
-    haystack = str(text or "")
-    matched = []
-    for slot_number, raw in enumerate(ref_slots or [], 1):
-        ref = _reference_slot(raw, slot_number)
+def _named_character_refs_for_text(text, ref_slots):
+    haystack = str(text or "")
+    matched = []
+    for slot_number, raw in enumerate(ref_slots or [], 1):
+        ref = _reference_slot(raw, slot_number)
         if ref.get("kind") != "character" or _reference_image(ref) is None:
             continue
         for name in _reference_name_keys(ref):
             if re.search(r"\b" + re.escape(name) + r"\b", haystack, re.I):
-                matched.append((slot_number, ref))
-                break
-    return matched
-
-
-def _matched_reference_slots(text, ref_slots):
-    matched = []
-    seen = set()
-    for slot_number, ref in _slot_refs_for_text(text, ref_slots) + _named_character_refs_for_text(text, ref_slots):
-        if slot_number in seen:
+                matched.append((slot_number, ref))
+                break
+    return matched
+
+
+def _named_refs_for_text(text, ref_slots, kinds=None):
+    haystack = str(text or "")
+    matched = []
+    wanted = {str(k).strip().lower() for k in (kinds or ()) if str(k).strip()}
+    by_name = {}
+    for slot_number, ref in enumerate(ref_slots or [], 1):
+        if ref is None or _reference_image(ref) is None:
+            continue
+        if wanted and str(ref.get("kind") or "").strip().lower() not in wanted:
+            continue
+        for name in _reference_name_keys(ref):
+            by_name.setdefault(name.lower(), []).append((slot_number, ref, name))
+    for entries in by_name.values():
+        if len(entries) != 1:
+            continue
+        slot_number, ref, name = entries[0]
+        if re.search(r"\b" + re.escape(name) + r"\b", haystack, re.I):
+            matched.append((slot_number, ref))
+    return matched
+
+
+def _matched_reference_slots(text, ref_slots):
+    matched = []
+    seen = set()
+    for slot_number, ref in _slot_refs_for_text(text, ref_slots) + _named_character_refs_for_text(text, ref_slots):
+        if slot_number in seen:
             continue
         seen.add(slot_number)
         matched.append((slot_number, ref))