Extract row assembly policy

tools/prompt_smoke.py

@@ -50,6 +50,7 @@ import pair_clothing  # noqa: E402
 import prompt_builder as pb  # noqa: E402
 import pov_policy  # noqa: E402
 import row_normalization  # noqa: E402
+import row_assembly  # noqa: E402
 import route_metadata  # noqa: E402
 import row_camera  # noqa: E402
 import row_category_route  # noqa: E402
@@ -1687,6 +1688,99 @@ def smoke_row_rendering_policy() -> None:
     )
 
 
+def smoke_row_assembly_policy() -> None:
+    context = {
+        "subject": "configured cast",
+        "subject_phrase": "configured adult cast",
+        "age": "21+ adults",
+        "body": "varied adult builds",
+        "body_phrase": "varied adult builds",
+        "figure": "balanced cast",
+        "skin": "warm skin tones",
+        "hair": "dark hair",
+        "eyes": "brown eyes",
+        "cast_summary": "one woman and one man",
+        "scene_kind": "configured_cast",
+        "women_count": "1",
+        "men_count": "1",
+        "person_count": "2",
+    }
+    count_adjustment = {"requested_women_count": 1, "requested_men_count": 1}
+    kwargs = {
+        "row_number": 2,
+        "start_index": 10,
+        "category": {"name": "Axis Test", "slug": "axis_test"},
+        "subcategory": {
+            "name": "Custom Scene",
+            "slug": "custom_scene",
+            "prompt_template": "Scene: {item}. Composition: {composition_prompt}. Avoid: {negative_prompt}.",
+            "caption_template": "{trigger}, {item}, {scene}",
+        },
+        "item": {"text": "shared structured action"},
+        "context": context,
+        "subject_type": "configured_cast",
+        "item_text": "shared structured action",
+        "item_name": "shared_action",
+        "item_axis_values": {"action_family": "test_action"},
+        "item_template_metadata": {"position_key": "test_position"},
+        "formatter_hints": {"krea": ["test_hint"]},
+        "item_label": "Scene",
+        "style": "clean test style",
+        "positive_suffix": "clear readable composition.",
+        "negative_prompt": "bad anatomy",
+        "scene_slug": "test_room",
+        "scene": "warm test room",
+        "pose": "standing close",
+        "expression": "focused look",
+        "shared_expression": "focused look",
+        "character_expressions": ["Woman A has focused look"],
+        "character_expression_text": "Woman A has focused look",
+        "expression_disabled": True,
+        "expression_intensity": 0.7,
+        "expression_intensity_source": "disabled",
+        "composition": "centered frame",
+        "source_composition": "centered frame",
+        "role_graph": "the visible partner stays centered",
+        "source_role_graph": "Man A stays centered",
+        "action_family": "test_action",
+        "position_family": "standing",
+        "position_key": "test_position",
+        "position_keys": ["test_position"],
+        "pov_character_labels": ["Man A"],
+        "cast_descriptors": ["Woman A: adult woman", "Man A: adult man"],
+        "cast_descriptor_text": "Woman A: adult woman; Man A: adult man",
+        "seed_config": {"content_seed": 123},
+        "hardcore_position_config": {"family": "standing"},
+        "location_config": {"location": "test_room"},
+        "composition_config": {"composition": "centered"},
+        "content_seed_axis": "pose",
+        "count_adjustment": count_adjustment,
+        "applied_profile": {"name": "profile_a"},
+        "profile_status": "applied",
+        "applied_slot": {"label": "Woman A"},
+        "slot_status": "applied",
+        "character_slots": [{"label": "Woman A"}, {"label": "Man A"}],
+    }
+    row = row_assembly.assemble_custom_row(**kwargs)
+    delegated = pb._assemble_custom_row(**kwargs)
+
+    _expect(row == delegated, "Prompt builder row assembly wrapper should delegate without changing output")
+    _expect(row["id"] == "sxcp_0011", "Row assembly changed row indexing")
+    _expect(row["batch"] == "batch_001", "Row assembly changed batch calculation")
+    _expect(row["source"] == "json_category", "Row assembly lost source marker")
+    _expect(row["figure"] == "balanced cast", "Row assembly lost figure metadata")
+    _expect(row["formatter_hints"] == {"krea": ["test_hint"]}, "Row assembly lost formatter hints")
+    _expect(row["cast_count_adjustment"] == count_adjustment, "Row assembly lost configured-cast count adjustment")
+    _expect(row["content_seed_axis"] == "pose", "Row assembly lost content seed axis")
+    _expect("POV participant: Man A" in row["prompt"], "Row assembly lost POV prompt directive")
+    _expect("Characters: Woman A: adult woman; Man A: adult man." in row["prompt"], "Row assembly lost cast descriptor insertion")
+    _expect(row["caption"].endswith("Woman A: adult woman; Man A: adult man"), "Row assembly lost caption descriptor append")
+    _expect(row["expression"] == "", "Disabled expression should clear row expression")
+    _expect(row["expression_enabled"] is False, "Disabled expression should mark expression disabled")
+    _expect(row["expression_intensity"] is None, "Disabled expression should clear intensity")
+    _expect(row["expression_intensity_source"] == "disabled", "Disabled expression should preserve disabled source")
+
+
 def smoke_formatter_input_policy() -> None:
     source_row = {
         "prompt": "A simple adult portrait. Setting: quiet studio. Pose: standing calmly. Avoid: low quality.",
@@ -4486,6 +4580,7 @@ SMOKE_CASES: list[tuple[str, Callable[[], None]]] = [
     ("character_profile_policy", smoke_character_profile_policy),
     ("row_normalization_policy", smoke_row_normalization_policy),
     ("row_rendering_policy", smoke_row_rendering_policy),
+    ("row_assembly_policy", smoke_row_assembly_policy),
     ("formatter_input_policy", smoke_formatter_input_policy),
     ("formatter_cast_policy", smoke_formatter_cast_policy),
     ("caption_policy", smoke_caption_policy),