Clean built-in couple formatter prose

caption_metadata_routes.py

@@ -78,6 +78,21 @@ def couple_clothing_sentence(clothing: str, clean_text: Callable[[Any], str]) ->
     return f"They wear {clothing}"
 
 
+def couple_subject_sentence(
+    subject: str,
+    ages: str,
+    cap_first: Callable[[str], str],
+    clean_age_phrase: Callable[[str], str],
+) -> str:
+    subject = cap_first(subject or "adult couple")
+    ages = clean_age_phrase(ages)
+    if ages:
+        return f"{subject}, {ages}"
+    if subject.lower() == "adult couple":
+        return subject
+    return f"{subject} are adults"
+
+
 def single_from_row_result(
     request: CaptionMetadataRouteRequest,
     deps: CaptionMetadataRouteDependencies,
@@ -176,9 +191,7 @@ def couple_from_row_result(
     camera_scene = deps.clean_text(row.get("camera_scene_directive"))
     style = deps.field_row_value(row, "style") if keep_style else ""
 
-    parts = [f"{deps.cap_first(subject)} are adults"]
-    if ages:
-        parts.append(f"The age detail is {deps.clean_age_phrase(ages)}")
+    parts = [couple_subject_sentence(subject, ages, deps.cap_first, deps.clean_age_phrase)]
     if body:
         parts.append(f"Their body types are {body}")
     if clothing: