Gate texel density and review scorecard coverage

tools/test_blender_assets.py

@@ -118,6 +118,22 @@ class TexelDensityTests(unittest.TestCase):
         skin = report["slots"]["skin"]
         self.assertEqual(skin["td_px_per_m"], skin["td_runtime_px_per_m"])
 
+    def test_every_character_reports_a_plausible_density_for_every_slot(self):
+        # Gate for the 3D review: a new or rebuilt character must keep all five
+        # tint slots measurable and inside the documented stylized band.
+        for name in ba.CHARACTERS:
+            report = ba.texel_density(name)
+            self.assertIsNotNone(report, name)
+            for slot in ba.SLOTS:
+                self.assertIn(slot, report["slots"], f"{name}:{slot}")
+                td = report["slots"][slot]["td_px_per_m"]
+                self.assertGreaterEqual(td, 40.0, f"{name}/{slot} below 40 px/m")
+                self.assertLessEqual(td, 400.0, f"{name}/{slot} above 400 px/m")
+            for slot in ba.TEXEL_RUNTIME_UV_SCALE:
+                if slot in report["slots"]:
+                    self.assertGreaterEqual(report["slots"][slot]["td_runtime_px_per_m"],
+                                            250.0, f"{name}/{slot} fabric below 250 px/m")
+
     def test_base_fallback_is_measurable_from_its_own_path(self):
         from pathlib import Path
         path = ba.ROOT / "assets" / "models" / "generated" / "npc_base.glb"