Extract row subject route policy

tools/prompt_smoke.py

@@ -60,6 +60,7 @@ import row_location  # noqa: E402
 import row_pools  # noqa: E402
 import row_rendering  # noqa: E402
 import row_route_metadata  # noqa: E402
+import row_subject_route  # noqa: E402
 import server_routes  # noqa: E402
 import sdxl_formatter  # noqa: E402
 import sdxl_presets  # noqa: E402
@@ -1061,6 +1062,84 @@ def smoke_category_cast_config_policy() -> None:
     _expect((empty_cast.get("women_count"), empty_cast.get("men_count")) == (1, 0), "Empty custom cast was not corrected")
 
 
+def smoke_row_subject_route_policy() -> None:
+    seed_cfg = seed_config.parse_seed_config({})
+    slot_cast = pb.build_character_slot_json(
+        subject_type="woman",
+        label="A",
+        age="32-year-old adult",
+        ethnicity="western_european",
+        figure="balanced",
+        body="slim",
+        hair="short silver bob",
+        eyes="gray eyes",
+        descriptor_detail="full",
+    )["character_cast"]
+    profile = {
+        "profile_type": "character",
+        "subject_type": "woman",
+        "age": "45-year-old adult",
+        "body": "average",
+        "body_phrase": "average figure",
+        "skin": "profile skin",
+        "hair": "profile hair",
+        "eyes": "profile eyes",
+    }
+    route = row_subject_route.resolve_subject_route(
+        subject_type="woman",
+        seed_config=seed_cfg,
+        seed=501,
+        row_number=1,
+        ethnicity="any",
+        figure="balanced",
+        no_plus_women=False,
+        no_black=False,
+        women_count=1,
+        men_count=0,
+        character_profile=profile,
+        character_cast=slot_cast,
+    )
+    delegated = pb._subject_route(
+        subject_type="woman",
+        seed_config=seed_cfg,
+        seed=501,
+        row_number=1,
+        ethnicity="any",
+        figure="balanced",
+        no_plus_women=False,
+        no_black=False,
+        women_count=1,
+        men_count=0,
+        character_profile=profile,
+        character_cast=slot_cast,
+    )
+    _expect(delegated == route, "Prompt builder subject route should delegate to row_subject_route")
+    _expect(route["subject_type"] == "woman", "Subject route changed single-woman subject type")
+    _expect(route["character_slot_status"] == "applied:Woman A", "Subject route did not apply matching Woman A slot")
+    _expect(route["character_profile_status"] == "skipped_character_slot", "Subject route should skip profile when slot applies")
+    _expect(route["context"].get("age") == "32-year-old adult", "Subject route lost slot age override")
+    _expect(route["context"].get("hair") == "short silver bob", "Subject route lost slot hair override")
+    _expect(route["applied_profile"] == {}, "Subject route should not apply profile over matching slot")
+
+    cast_route = row_subject_route.resolve_subject_route(
+        subject_type="configured_cast",
+        seed_config=seed_cfg,
+        seed=502,
+        row_number=1,
+        ethnicity="western_european",
+        figure="balanced",
+        no_plus_women=False,
+        no_black=False,
+        women_count=1,
+        men_count=1,
+        character_cast=_character_cast(pov_man=True),
+    )
+    _expect(cast_route["subject_type"] == "configured_cast", "Configured-cast subject route changed subject type")
+    _expect(cast_route["pov_character_labels"] == ["Man A"], "Subject route lost configured-cast POV man label")
+    _expect("Woman A:" in cast_route["cast_descriptor_text"], "Subject route lost visible woman descriptor")
+    _expect("Man A:" not in cast_route["cast_descriptor_text"], "Subject route should not describe POV man as visible cast")
+
+
 def smoke_generation_profile_config_policy() -> None:
     _expect(
         pb.GENERATION_PROFILE_PRESETS is generation_profile_config.GENERATION_PROFILE_PRESETS,
@@ -4313,6 +4392,7 @@ SMOKE_CASES: list[tuple[str, Callable[[], None]]] = [
     ("row_generation_policy", smoke_row_generation_policy),
     ("category_extensions_policy", smoke_category_extensions_policy),
     ("category_cast_config_policy", smoke_category_cast_config_policy),
+    ("row_subject_route_policy", smoke_row_subject_route_policy),
     ("generation_profile_config_policy", smoke_generation_profile_config_policy),
     ("filter_config_policy", smoke_filter_config_policy),
     ("character_config_policy", smoke_character_config_policy),