Extract caption metadata route assembly

tools/prompt_smoke.py

@@ -25,6 +25,7 @@ if str(ROOT) not in sys.path:
     sys.path.insert(0, str(ROOT))
 
 import caption_naturalizer  # noqa: E402
+import caption_metadata_routes  # noqa: E402
 import caption_policy  # noqa: E402
 import cast_context  # noqa: E402
 import category_extensions  # noqa: E402
@@ -2258,6 +2259,121 @@ def smoke_caption_policy() -> None:
     _expect(browsing_method == "text(fallback)", "Caption browsing profile changed fallback method")
 
 
+def _expect_caption_route_parity(
+    name: str,
+    row: dict[str, Any],
+    route_builder: Callable[
+        [caption_metadata_routes.CaptionMetadataRouteRequest, caption_metadata_routes.CaptionMetadataRouteDependencies],
+        caption_metadata_routes.CaptionMetadataRoute | None,
+    ],
+    wrapper: Callable[[dict[str, Any], str, bool], tuple[str, str] | None],
+    expected_method: str,
+) -> None:
+    request = caption_naturalizer._caption_metadata_route_request(row, "balanced", False)
+    deps = caption_naturalizer._caption_metadata_route_dependencies()
+    typed_route = route_builder(request, deps)
+    legacy_route = wrapper(row, "balanced", False)
+    _expect(typed_route is not None, f"{name} typed caption metadata route did not match")
+    assert typed_route is not None
+    _expect(
+        typed_route.as_tuple() == legacy_route,
+        f"{name} typed caption metadata route should match legacy wrapper output",
+    )
+    _expect(typed_route.method == expected_method, f"{name} caption route method changed")
+    _expect_text(f"{name}.caption_route", typed_route.prose, 20)
+
+
+def smoke_caption_metadata_routes() -> None:
+    single = {
+        "primary_subject": "woman",
+        "age_band": "25-year-old adult",
+        "body_phrase": "slim figure",
+        "skin": "fair skin",
+        "hair": "long blonde hair",
+        "eyes": "blue eyes",
+        "item": "silk dress",
+        "pose": "standing beside a window",
+        "scene_text": "quiet studio with warm daylight",
+        "expression": "soft smile",
+        "composition": "vertical centered portrait",
+    }
+    _expect_caption_route_parity(
+        "caption_route_single",
+        single,
+        caption_metadata_routes.single_from_row_result,
+        caption_naturalizer._single_from_row,
+        "metadata(single)",
+    )
+
+    couple = {
+        "primary_subject": "a woman and a man",
+        "subject_phrase": "woman and man",
+        "age": "25-year-old adult and 40-year-old adult",
+        "body": "slim and average builds",
+        "item": "Partner A wears black dress; Partner B wears dark shirt",
+        "pose": "standing close together",
+        "scene_text": "private lounge with soft lamps",
+        "expression": "shared confident gaze",
+        "composition": "two-person editorial frame",
+    }
+    _expect_caption_route_parity(
+        "caption_route_couple",
+        couple,
+        caption_metadata_routes.couple_from_row_result,
+        caption_naturalizer._couple_from_row,
+        "metadata(couple)",
+    )
+
+    configured = _fixture_hardcore_row()
+    _expect_caption_route_parity(
+        "caption_route_configured_cast",
+        configured,
+        caption_metadata_routes.configured_cast_from_row_result,
+        caption_naturalizer._configured_cast_from_row,
+        "metadata(configured_cast)",
+    )
+
+    group = {
+        "primary_subject": "group scene",
+        "subject_phrase": "three adult friends",
+        "age": "late 20s adults",
+        "item": "coordinated evening outfits",
+        "scene_text": "rooftop lounge with city lights",
+        "expression": "relaxed shared smiles",
+        "composition": "wide group frame",
+    }
+    _expect_caption_route_parity(
+        "caption_route_group",
+        group,
+        caption_metadata_routes.group_or_layout_from_row_result,
+        caption_naturalizer._group_or_layout_from_row,
+        "metadata(group_layout)",
+    )
+
+    pair = pb.build_insta_of_pair(
+        row_number=1,
+        start_index=1,
+        seed=3511,
+        ethnicity="any",
+        figure="random",
+        no_plus_women=False,
+        no_black=False,
+        trigger=Trigger,
+        prepend_trigger_to_prompt=True,
+        options_json=_insta_options(hardcore_clothing_continuity="partially_removed"),
+        character_cast=_character_cast(),
+        hardcore_position_config=_action_filter("penetration_only"),
+    )
+    _expect_pair(pair, "caption_route_pair")
+    _expect_caption_route_parity(
+        "caption_route_insta_pair",
+        pair,
+        caption_metadata_routes.insta_of_pair_from_row_result,
+        caption_naturalizer._insta_of_pair_from_row,
+        "metadata(insta_of_pair)",
+    )
+
+
 def smoke_sdxl_presets_policy() -> None:
     _expect(
         sdxl_formatter.SDXL_STYLE_PRESETS is sdxl_presets.SDXL_STYLE_PRESETS,
@@ -5151,6 +5267,7 @@ SMOKE_CASES: list[tuple[str, Callable[[], None]]] = [
     ("formatter_input_policy", smoke_formatter_input_policy),
     ("formatter_cast_policy", smoke_formatter_cast_policy),
     ("caption_policy", smoke_caption_policy),
+    ("caption_metadata_routes", smoke_caption_metadata_routes),
     ("sdxl_presets_policy", smoke_sdxl_presets_policy),
     ("sdxl_tag_routes", smoke_sdxl_tag_routes),
     ("hardcore_position_config_policy", smoke_hardcore_position_config_policy),