Extract row generation policy

tools/prompt_smoke.py

@@ -52,6 +52,7 @@ import row_normalization  # noqa: E402
 import route_metadata  # noqa: E402
 import row_camera  # noqa: E402
 import row_expression  # noqa: E402
+import row_generation  # noqa: E402
 import row_item  # noqa: E402
 import row_location  # noqa: E402
 import row_pools  # noqa: E402
@@ -810,6 +811,77 @@ def smoke_row_item_policy() -> None:
     _expect(metadata.get("action_family") == "oral", "Row item compose lost template metadata")
 
 
+def smoke_row_generation_policy() -> None:
+    _expect(pb._ratio_or_none(-1) is None, "Prompt builder ratio helper should treat negative as unset")
+    _expect(pb._ratio_or_none(1.5) == row_generation.ratio_or_none(1.5) == 1.0, "Row generation ratio clamp changed")
+    _expect(pb._clamped_float("bad", 0.4) == row_generation.clamped_float("bad", 0.4) == 0.4, "Row generation float default changed")
+
+    _expect(
+        pb._pick_clothing_mode(random.Random(1), "random", None)
+        == row_generation.pick_clothing_mode(random.Random(1), "random", None),
+        "Prompt builder clothing mode picker should delegate to row_generation",
+    )
+    _expect(
+        row_generation.pick_pose_mode(random.Random(2), "evocative", 1.0) == "standard",
+        "Row generation standard pose ratio override changed",
+    )
+    _expect(
+        pb._pick_figure_bias(random.Random(3), "random") == row_generation.pick_figure_bias(random.Random(3), "random"),
+        "Prompt builder figure picker should delegate to row_generation",
+    )
+    _expect(
+        row_generation.pick_expression_intensity(random.Random(4), -1) == (0.24, "random"),
+        "Row generation random expression intensity changed",
+    )
+    _expect(
+        pb._pick_expression_intensity(random.Random(4), 2.0) == row_generation.pick_expression_intensity(random.Random(4), 2.0) == (1.0, "input"),
+        "Prompt builder expression intensity picker should delegate to row_generation",
+    )
+
+    direct_args = dict(
+        category="woman",
+        row_number=3,
+        start_index=41,
+        clothing="full",
+        ethnicity="any",
+        poses="standard",
+        backside_bias=0.25,
+        figure="curvy",
+        no_plus_women=False,
+        no_black=False,
+        minimal_clothing_ratio=None,
+        standard_pose_ratio=None,
+        seed=5050,
+    )
+    _expect(
+        pb._build_direct_builtin_row(**direct_args) == row_generation.build_direct_builtin_row(**direct_args),
+        "Prompt builder direct built-in row should delegate to row_generation",
+    )
+    auto_args = dict(
+        row_number=2,
+        start_index=41,
+        clothing="minimal",
+        ethnicity="any",
+        poses="evocative",
+        backside_bias=0.0,
+        figure="balanced",
+        no_plus_women=False,
+        no_black=False,
+        minimal_clothing_ratio=None,
+        standard_pose_ratio=None,
+        seed=6060,
+    )
+    auto_row = row_generation.build_auto_weighted_row(**auto_args)
+    _expect(pb._build_auto_weighted_row(**auto_args) == auto_row, "Prompt builder auto-weighted row should delegate to row_generation")
+    _expect(auto_row.get("source") == "built_in_generator", "Row generation auto-weighted row lost source metadata")
+
+    seed_cfg = seed_config.parse_seed_config({"category_seed": 123})
+    _expect(
+        pb._auto_full_choice(seed_cfg, 7070, 1) == row_generation.auto_full_choice(seed_cfg, 7070, 1),
+        "Prompt builder auto-full choice should delegate to row_generation",
+    )
+
+
 def smoke_category_cast_config_policy() -> None:
     _expect(pb.CATEGORY_PRESETS is category_cast_config.CATEGORY_PRESETS, "Prompt builder category presets are not delegated")
     _expect(pb.CAST_PRESETS is category_cast_config.CAST_PRESETS, "Prompt builder cast presets are not delegated")
@@ -4010,6 +4082,7 @@ SMOKE_CASES: list[tuple[str, Callable[[], None]]] = [
     ("row_location_policy", smoke_row_location_policy),
     ("row_expression_policy", smoke_row_expression_policy),
     ("row_item_policy", smoke_row_item_policy),
+    ("row_generation_policy", smoke_row_generation_policy),
     ("category_cast_config_policy", smoke_category_cast_config_policy),
     ("generation_profile_config_policy", smoke_generation_profile_config_policy),
     ("filter_config_policy", smoke_filter_config_policy),