Naturalize caption character expressions

tools/prompt_smoke.py

@@ -4262,6 +4262,27 @@ def smoke_caption_metadata_routes() -> None:
         caption_naturalizer._configured_cast_from_row,
         "metadata(configured_cast)",
     )
+    configured_character_expression = _fixture_hardcore_row(
+        character_expression_text="Woman A has flushed focus; Man A has concentrated stare",
+    )
+    character_expression_route = caption_metadata_routes.configured_cast_from_row_result(
+        caption_naturalizer._caption_metadata_route_request(configured_character_expression, "balanced", False),
+        caption_naturalizer._caption_metadata_route_dependencies(),
+    )
+    _expect(character_expression_route is not None, "Caption configured-cast character expression row did not match")
+    assert character_expression_route is not None
+    _expect(
+        "with Woman A has" not in character_expression_route.prose,
+        "Caption configured-cast prose kept old character-expression grammar",
+    )
+    _expect(
+        "Woman A with flushed focus" in character_expression_route.prose,
+        "Caption configured-cast prose did not naturalize Woman A expression",
+    )
+    _expect(
+        "Man A with concentrated stare" in character_expression_route.prose,
+        "Caption configured-cast prose did not naturalize Man A expression",
+    )
     configured_axis_only = _fixture_hardcore_row(
         item="generic configured adult action",
         role_graph="",