1 files changed, 9 insertions, 3 deletions
diff --git a/app/backends/audiocpp/models.py b/app/backends/audiocpp/models.py
index f2c4e5e..d81dcfc 100644
--- a/app/backends/audiocpp/models.py
+++ b/app/backends/audiocpp/models.py
@@ -313,10 +313,16 @@ def _build_tree_families(catalog: List[dict]) -> List[dict]:
     """Shape the catalog into the checkbox_tree widget's family list."""
     families: List[dict] = []
     for entry in catalog:
-        capabilities = ["tts"]
-        if "clone" in entry["tasks"]:
+        tasks = set(entry["tasks"])
+        # Clone-only families (e.g. Chatterbox) cannot synthesize without
+        # a reference voice, so they do not advertise plain "tts".
+        clone_only = _catalog.is_clone_only_family(entry["family"], tasks)
+        capabilities = []
+        if not clone_only:
+            capabilities.append("tts")
+        if "clone" in tasks or clone_only:
             capabilities.append("cloning")
-        if "design" in entry["tasks"]:
+        if "design" in tasks:
             capabilities.append("design")
         name = entry["display_name"]
         options = []