Move pair detail density policy

tools/prompt_smoke.py

@@ -1597,6 +1597,26 @@ def smoke_pair_options_policy() -> None:
         pb.INSTA_OF_SOFTCORE_OUTFITS is pb.pair_options.INSTA_OF_SOFTCORE_OUTFITS,
         "prompt_builder should delegate Insta/OF softcore outfit policy to pair_options",
     )
+    _expect(
+        pb.HARDCORE_DETAIL_DENSITY_CHOICES is pb.pair_options.HARDCORE_DETAIL_DENSITY_CHOICES,
+        "prompt_builder should delegate hardcore detail density choices to pair_options",
+    )
+    _expect(
+        pb.pair_options.hardcore_detail_directive("compact").startswith("Use one compact"),
+        "compact hardcore detail density should have a compact directive",
+    )
+    _expect(
+        pb.pair_options.hardcore_detail_directive("dense").startswith("Use dense"),
+        "dense hardcore detail density should have a dense directive",
+    )
+    _expect(
+        pb.pair_options.hardcore_detail_directive("balanced") == "",
+        "balanced hardcore detail density should not add a directive",
+    )
+    _expect(
+        pb.pair_options.hardcore_detail_directive("bad") == "",
+        "invalid hardcore detail density directive should be empty",
+    )
     options = json.loads(
         pb.build_insta_of_options_json(
             softcore_expression_enabled="false",