Move pair detail density policy

pair_options.py

@@ -32,6 +32,14 @@ INSTA_OF_HARDCORE_CLOTHING_CONTINUITY = {
     "explicit_nude": "Woman A's body is fully exposed, bare skin unobstructed",
 }
 
+HARDCORE_DETAIL_DENSITY_CHOICES = ["compact", "balanced", "dense"]
+
+HARDCORE_DETAIL_DIRECTIVES = {
+    "compact": "Use one compact position-first sexual action sentence; avoid repeated aftermath wording. ",
+    "balanced": "",
+    "dense": "Use dense but coherent motion, contact, and aftermath detail while keeping one readable body position. ",
+}
+
 INSTA_OF_NEGATIVE = (
     "minors, childlike appearance, teen, underage, schoolgirl, non-consensual, coercion, rape, "
     "violence, injury, blood, gore, incest, bestiality, watermark, logo, readable username, social media UI"
@@ -218,6 +226,14 @@ def character_softcore_outfit_values(source: str, custom_outfits: str = "") -> l
     return []
 
 
+def hardcore_detail_density_choices() -> list[str]:
+    return list(HARDCORE_DETAIL_DENSITY_CHOICES)
+
+
+def hardcore_detail_directive(density: Any) -> str:
+    return HARDCORE_DETAIL_DIRECTIVES.get(str(density or "balanced"), "")
+
+
 def character_hardcore_clothing_values(state: str, custom_clothing: str = "") -> list[str]:
     state = str(state or "no_change").strip()
     if state == "fully_nude":
@@ -251,7 +267,7 @@ def build_insta_of_options_json(
     softcore_expression_enabled: bool = True,
     hardcore_expression_enabled: bool = True,
     hardcore_detail_density: str = "balanced",
-    hardcore_detail_density_choices: list[str] | tuple[str, ...] = ("compact", "balanced", "dense"),
+    hardcore_detail_density_choices: list[str] | tuple[str, ...] = tuple(HARDCORE_DETAIL_DENSITY_CHOICES),
 ) -> str:
     hardcore_detail_density = (
         hardcore_detail_density if hardcore_detail_density in hardcore_detail_density_choices else "balanced"
@@ -286,7 +302,7 @@ def parse_insta_of_options(
     *,
     camera_mode_choices: dict[str, str] | list[str] | tuple[str, ...],
     camera_detail_choices: list[str] | tuple[str, ...],
-    hardcore_detail_density_choices: list[str] | tuple[str, ...],
+    hardcore_detail_density_choices: list[str] | tuple[str, ...] = tuple(HARDCORE_DETAIL_DENSITY_CHOICES),
 ) -> dict[str, Any]:
     defaults = {
         "softcore_cast": "solo",