diff --git a/tests/domain/scene-document-validation.test.ts b/tests/domain/scene-document-validation.test.ts
index fda20423..030f11db 100644
--- a/tests/domain/scene-document-validation.test.ts
+++ b/tests/domain/scene-document-validation.test.ts
@@ -1894,7 +1894,11 @@ describe("validateSceneDocument", () => {
         enabled: "yes",
         densityMultiplier: 9,
         maxDistanceMultiplier: 0,
-        shadows: "close"
+        shadows: "close",
+        windEnabled: "yes",
+        windStrength: -0.1,
+        windSpeed: Number.NaN,
+        windDirectionDegrees: 420
       }
     } as any;
 
@@ -2070,6 +2074,22 @@ describe("validateSceneDocument", () => {
           code: "invalid-foliage-quality-shadows",
           path: "world.advancedRendering.foliage.shadows"
         }),
+        expect.objectContaining({
+          code: "invalid-foliage-quality-wind-enabled",
+          path: "world.advancedRendering.foliage.windEnabled"
+        }),
+        expect.objectContaining({
+          code: "invalid-foliage-quality-wind-strength",
+          path: "world.advancedRendering.foliage.windStrength"
+        }),
+        expect.objectContaining({
+          code: "invalid-foliage-quality-wind-speed",
+          path: "world.advancedRendering.foliage.windSpeed"
+        }),
+        expect.objectContaining({
+          code: "invalid-foliage-quality-wind-direction",
+          path: "world.advancedRendering.foliage.windDirectionDegrees"
+        }),
         expect.objectContaining({
           code: "invalid-advanced-rendering-fog-path",
           path: "world.advancedRendering.fogPath"
diff --git a/tests/domain/world-settings.test.ts b/tests/domain/world-settings.test.ts
index f80a35e1..35260622 100644
--- a/tests/domain/world-settings.test.ts
+++ b/tests/domain/world-settings.test.ts
@@ -196,22 +196,50 @@ describe("world settings helpers", () => {
     expect(areWorldSettingsEqual(left, right)).toBe(false);
   });
 
+  it("treats foliage wind settings as part of authored world equality", () => {
+    const left = createDefaultWorldSettings();
+    const right = cloneWorldSettings(left);
+
+    right.advancedRendering.foliage.windDirectionDegrees += 15;
+
+    expect(areWorldSettingsEqual(left, right)).toBe(false);
+  });
+
   it("bounds resolved foliage quality multipliers", () => {
     expect(
       resolveFoliageQualitySettings({
         enabled: true,
         densityMultiplier: 9,
         maxDistanceMultiplier: 0.01,
-        shadows: "full"
+        shadows: "full",
+        windEnabled: true,
+        windStrength: 9,
+        windSpeed: -1,
+        windDirectionDegrees: -45
       })
     ).toEqual({
       enabled: true,
       densityMultiplier: 8,
       maxDistanceMultiplier: 0.1,
-      shadows: "full"
+      shadows: "full",
+      windEnabled: true,
+      windStrength: 4,
+      windSpeed: 0,
+      windDirectionDegrees: 315
     });
   });
 
+  it("defaults missing legacy foliage wind settings during resolution", () => {
+    expect(
+      resolveFoliageQualitySettings({
+        enabled: true,
+        densityMultiplier: 1,
+        maxDistanceMultiplier: 1,
+        shadows: "near"
+      } as any)
+    ).toEqual(createDefaultWorldSettings().advancedRendering.foliage);
+  });
+
   it("treats the scene project-time lighting toggle as part of authored world equality", () => {
     const left = createDefaultWorldSettings();
     const right = cloneWorldSettings(left);
diff --git a/tests/serialization/scene-document-json.test.ts b/tests/serialization/scene-document-json.test.ts
index 2f9d5b3e..7757ba57 100644
--- a/tests/serialization/scene-document-json.test.ts
+++ b/tests/serialization/scene-document-json.test.ts
@@ -44,6 +44,7 @@ import {
   FOLIAGE_FOUNDATION_SCENE_DOCUMENT_VERSION,
   FOLIAGE_MASKS_SCENE_DOCUMENT_VERSION,
   FOLIAGE_QUALITY_SCENE_DOCUMENT_VERSION,
+  FOLIAGE_WIND_SCENE_DOCUMENT_VERSION,
   IMPORTED_MODEL_COLLIDERS_SCENE_DOCUMENT_VERSION,
   LENS_FLARE_SCENE_DOCUMENT_VERSION,
   LOCAL_LIGHTS_AND_SKYBOX_SCENE_DOCUMENT_VERSION,
@@ -1561,7 +1562,11 @@ describe("scene document JSON", () => {
         enabled: true,
         densityMultiplier: 0.75,
         maxDistanceMultiplier: 1.25,
-        shadows: "near"
+        shadows: "near",
+        windEnabled: true,
+        windStrength: 1.4,
+        windSpeed: 1.8,
+        windDirectionDegrees: 120
       },
       fogPath: "quality",
       waterPath: "performance",