Extract expression route resolution

prompt_builder.py

@@ -1446,6 +1446,33 @@ def _cast_expression_intensity_override(
     )
 
 
+def _resolve_expression_route(
+    *,
+    expression_enabled: bool,
+    expression_intensity: float,
+    expression_intensity_source: str,
+    subject_type: str,
+    applied_slot: dict[str, Any] | None = None,
+    character_slots: list[dict[str, Any]] | None = None,
+    character_slot_map: dict[str, dict[str, Any]] | None = None,
+    women_count: int = 1,
+    men_count: int = 1,
+    expression_phase: str = "",
+) -> row_expression_policy.ExpressionRoute:
+    return row_expression_policy.resolve_expression_route(
+        expression_enabled=expression_enabled,
+        expression_intensity=expression_intensity,
+        expression_intensity_source=expression_intensity_source,
+        subject_type=subject_type,
+        applied_slot=applied_slot,
+        character_slots=character_slots,
+        character_slot_map=character_slot_map,
+        women_count=women_count,
+        men_count=men_count,
+        expression_phase=expression_phase,
+    )
+
+
 def _character_expression_entries(
     rng: random.Random,
     expression_pool: list[Any],
@@ -2176,30 +2203,21 @@ def _build_custom_row(
     if is_pose_category:
         source_role_graph = _sanitize_hardcore_environment_anchors(source_role_graph)
     role_graph = _pov_role_graph_prompt(source_role_graph, pov_character_labels)
-    expression_intensity_source = expression_intensity_source or "input"
-    expression_disabled = not bool(expression_enabled)
-    if expression_disabled:
-        expression_intensity_source = "disabled"
-    elif subject_type in ("woman", "man") and applied_slot:
-        slot_label = "Woman A" if subject_type == "woman" else "Man A"
-        if not _slot_expression_enabled(applied_slot):
-            expression_disabled = True
-            expression_intensity_source = f"character_slot:{slot_label}:disabled"
-        else:
-            slot_expression_intensity = _slot_expression_intensity_for_phase(applied_slot, expression_phase)
-            if slot_expression_intensity is not None:
-                expression_intensity = slot_expression_intensity
-                expression_intensity_source = f"character_slot:{slot_label}"
-    elif subject_type == "configured_cast" and character_slots:
-        expression_intensity, expression_intensity_source = _cast_expression_intensity_override(
-            expression_intensity,
-            character_slot_map,
-            women_count,
-            men_count,
-            expression_phase,
-        )
-        if expression_intensity is None:
-            expression_disabled = True
+    expression_route = _resolve_expression_route(
+        expression_enabled=expression_enabled,
+        expression_intensity=expression_intensity,
+        expression_intensity_source=expression_intensity_source,
+        subject_type=subject_type,
+        applied_slot=applied_slot,
+        character_slots=character_slots,
+        character_slot_map=character_slot_map,
+        women_count=women_count,
+        men_count=men_count,
+        expression_phase=expression_phase,
+    )
+    expression_disabled = expression_route.expression_disabled
+    expression_intensity = expression_route.expression_intensity
+    expression_intensity_source = expression_route.expression_intensity_source
 
     prompt_axes = _prompt_axes_route(
         category=category,