禁止 UI Transform 倒置锚点

持久化 State 校验拒绝 anchor_min 大于 anchor_max

tf2css 在转换边界拒绝倒置 anchor 并更新回归测试

apps/ai-game-creator-shell/src-tauri/src/ui_editor/persistence.rs

@@ -536,6 +536,16 @@ fn validate_node(
     {
         return Err("UI 节点 Transform 必须是有限数值".to_string());
     }
+    if node
+        .layout
+        .transform
+        .anchor_min
+        .iter()
+        .zip(node.layout.transform.anchor_max.iter())
+        .any(|(min, max)| min > max)
+    {
+        return Err("UI 节点 Transform 的 anchor 必须按 min 到 max 排序".to_string());
+    }
     if !node
         .layout
         .custom_minimum_size
@@ -882,6 +892,64 @@ mod tests {
         assert_eq!(loaded.state, state);
     }
 
+    #[test]
+    fn rejects_inverted_transform_anchors() {
+        let state: State = serde_json::from_value(serde_json::json!({
+            "ui_trees": [{
+                "src_ui_design": "page",
+                "root": {
+                    "id": "root",
+                    "layout": {
+                        "transform": {
+                            "anchor_min": [0.8, 0.0],
+                            "anchor_max": [0.2, 1.0],
+                            "offset_min": [0.0, 0.0],
+                            "offset_max": [0.0, 0.0]
+                        },
+                        "custom_minimum_size": [0.0, 0.0],
+                        "size_flags_horizontal": 1,
+                        "size_flags_vertical": 1,
+                        "size_flags_stretch_ratio": 1.0,
+                        "container": "None"
+                    },
+                    "metadata": {
+                        "name": "根节点",
+                        "description": "",
+                        "layout_status": "Pending",
+                        "components_status": "Pending",
+                        "allow_llm_edit_layout": true,
+                        "allow_llm_edit_component": true,
+                        "source": "System"
+                    },
+                    "components": [],
+                    "children_display_mode": "Stack",
+                    "children": []
+                }
+            }],
+            "ui_design_images": {
+                "page": {
+                    "metadata": {
+                        "name": "主界面",
+                        "description": "",
+                        "role": "Page",
+                        "slave_to": null
+                    },
+                    "path": "missing.png",
+                    "pixel_size": [1280.0, 720.0],
+                    "pixels_per_unit": 1.0
+                }
+            },
+            "sprite_assets": {},
+            "font_assets": {}
+        }))
+        .expect("deserialize state with inverted anchors");
+
+        assert_eq!(
+            validate_state(&state),
+            Err("UI 节点 Transform 的 anchor 必须按 min 到 max 排序".to_string())
+        );
+    }
+
     #[test]
     fn recovers_last_valid_state_when_primary_is_corrupt() {
         let (directory, asset_id) = fixture();

apps/ai-game-creator-shell/src/features/ui-editor/utils/transform/tf2css.test.tsx

@@ -105,20 +105,20 @@ describe('tf2css', () => {
     });
   });
 
-  it('preserves out-of-range anchors and normalizes negative zero', () => {
+  it('preserves out-of-range ordered anchors and normalizes negative zero', () => {
     expect(
       tf2css({
-        anchor_min: [-0.25, 1.25],
-        anchor_max: [1.5, -0.5],
+        anchor_min: [-0.25, -0.5],
+        anchor_max: [1.5, 1.25],
         offset_min: [-0, -0],
         offset_max: [-0, -0],
       }),
     ).toEqual({
       position: 'absolute',
       left: '-25%',
-      top: '125%',
+      top: '-50%',
       right: '-50%',
-      bottom: '150%',
+      bottom: '-25%',
     });
 
     expect(tf2css(STRETCH_TRANSFORM)).toEqual({
@@ -157,4 +157,15 @@ describe('tf2css', () => {
       ),
     );
   });
+
+  it('rejects inverted anchors', () => {
+    expect(() =>
+      tf2css({
+        anchor_min: [0.8, 0],
+        anchor_max: [0.2, 1],
+        offset_min: [0, 0],
+        offset_max: [0, 0],
+      }),
+    ).toThrowError('Transform anchors must be ordered');
+  });
 });

apps/ai-game-creator-shell/src/features/ui-editor/utils/transform/tf2css.ts

@@ -69,6 +69,12 @@ function toCssLength(percentage: number, pixelOffset: number): string {
  */
 export function tf2css(transform: Transform): CSSProperties {
   assertFiniteTransform(transform);
+  if (
+    transform.anchor_min[0] > transform.anchor_max[0] ||
+    transform.anchor_min[1] > transform.anchor_max[1]
+  ) {
+    throw new RangeError('Transform anchors must be ordered');
+  }
 
   return {
     position: 'absolute',