修正自动切分素材检查条件

移除自动切分对预先导入独立素材的错误要求。
统一自动切分前置与结果检查，并补齐图片和字体引用校验。
在新建和重新开始自动切分时执行前置检查，恢复流程继续尽力完成。

apps/ai-game-creator-shell/src/features/ui-editor/requisites.ts

@@ -72,7 +72,7 @@ export function validateComponentRecognitionPrerequisites(
   return issues;
 }
 
-export function validateAssetRecognitionPrerequisites(
+export function validateAssetSeparationPrerequisites(
   state: State,
 ): UiEditorPrerequisiteIssue[] {
   const issues = validateComponentRecognitionPrerequisites(state);
@@ -91,58 +91,9 @@ export function validateAssetRecognitionPrerequisites(
       });
     }
   }
-  if (Object.keys(state.sprite_assets).length === 0) {
-    issues.push({
-      code: 'missing-sprite-assets',
-      message: '请先导入独立素材',
-    });
-  }
   return issues;
 }
 
-export function validateLayoutGenerationPrerequisites(
-  state: State,
-): UiEditorPrerequisiteIssue[] {
-  const issues = validateAssetRecognitionPrerequisites(state);
-  const visit = (nodes: State['ui_trees'][number]['root']['children']) => {
-    for (const node of nodes) {
-      const component = node.component;
-      if (component) {
-        if (
-          'Image' in component &&
-          component.Image.target_graphic !== null &&
-          !(component.Image.target_graphic in state.sprite_assets)
-        ) {
-          issues.push({
-            code: 'missing-target-graphic',
-            message: '图片组件引用的独立素材不存在',
-            resourceId: component.Image.target_graphic,
-          });
-        }
-        if ('Text' in component) {
-          const font = component.Text.font;
-          if (typeof font !== 'string' && !(font.Bound in state.font_assets)) {
-            issues.push({
-              code: 'missing-font',
-              message: '文本组件引用的字体不存在',
-              resourceId: font.Bound,
-            });
-          }
-        }
-      }
-      visit(node.children);
-    }
-  };
-  for (const tree of state.ui_trees) visit([tree.root]);
-  return issues;
-}
-
-export function validateLayoutReviewPrerequisites(
-  state: State,
-): UiEditorPrerequisiteIssue[] {
-  return validateLayoutGenerationPrerequisites(state);
-}
-
 function layoutStatusIssue(
   status: StageStatus,
 ): UiEditorPrerequisiteIssue | null {
@@ -214,7 +165,7 @@ export function validateStructureRecognitionResult(
   return issues;
 }
 
-export function validateVisualBindingResult(
+export function validateAssetSeparationResult(
   state: State,
 ): UiEditorPrerequisiteIssue[] {
   const issues: UiEditorPrerequisiteIssue[] = [];
@@ -225,6 +176,32 @@ export function validateVisualBindingResult(
       }
       const issue = componentStatusIssue(node.metadata.component_status);
       if (issue) issues.push(issue);
+      const component = node.component;
+      if ('Image' in component) {
+        const targetGraphic = component.Image.target_graphic;
+        if (targetGraphic === null) {
+          issues.push({
+            code: 'missing-separated-image',
+            message: '图片组件尚未完成素材切分',
+          });
+        } else if (!(targetGraphic in state.sprite_assets)) {
+          issues.push({
+            code: 'missing-target-graphic',
+            message: '图片组件引用的切分素材不存在',
+            resourceId: targetGraphic,
+          });
+        }
+      }
+      if ('Text' in component) {
+        const font = component.Text.font;
+        if (typeof font !== 'string' && !(font.Bound in state.font_assets)) {
+          issues.push({
+            code: 'missing-font',
+            message: '文本组件引用的字体不存在',
+            resourceId: font.Bound,
+          });
+        }
+      }
     });
   }
   return issues;

apps/ai-game-creator-shell/src/view/ui-editor/components/WorkflowChecks.ts

@@ -1,11 +1,10 @@
 import {
   type UiEditorPrerequisiteIssue,
-  validateAssetRecognitionPrerequisites,
+  validateAssetSeparationPrerequisites,
+  validateAssetSeparationResult,
   validateComponentRecognitionPrerequisites,
-  validateLayoutReviewPrerequisites,
   validateReferenceAnalysisResult,
   validateStructureRecognitionResult,
-  validateVisualBindingResult,
 } from '../../../features/ui-editor/requisites';
 import type { State } from '../../../features/ui-editor/types/State';
 import type { UiEditorStepId } from '../model';
@@ -22,7 +21,7 @@ export function prerequisiteIssuesForStep(
     case 'structure-recognition':
       return validateComponentRecognitionPrerequisites(state);
     case 'asset-separation':
-      return validateAssetRecognitionPrerequisites(state);
+      return validateAssetSeparationPrerequisites(state);
   }
 }
 
@@ -36,7 +35,7 @@ export function postCheckIssuesForStep(
     case 'structure-recognition':
       return validateStructureRecognitionResult(state);
     case 'asset-separation':
-      return validateVisualBindingResult(state);
+      return validateAssetSeparationResult(state);
   }
 }
 
@@ -46,7 +45,7 @@ export function postCheckIssuesForSave(
   return [
     ...validateReferenceAnalysisResult(state),
     ...validateStructureRecognitionResult(state),
-    ...validateVisualBindingResult(state),
+    ...validateAssetSeparationResult(state),
   ];
 }
 
@@ -58,8 +57,8 @@ export function activeStepPrerequisiteIssues(
     case 'reference-analysis':
       return validateComponentRecognitionPrerequisites(state);
     case 'structure-recognition':
-      return validateAssetRecognitionPrerequisites(state);
+      return validateComponentRecognitionPrerequisites(state);
     case 'asset-separation':
-      return validateLayoutReviewPrerequisites(state);
+      return validateAssetSeparationPrerequisites(state);
   }
 }

apps/ai-game-creator-shell/src/view/ui-editor/useUiEditorPage.ts

@@ -1241,6 +1241,19 @@ export function useUiEditorSession(
         setSeparationRecovery(recovery);
         return;
       }
+      const prerequisiteIssues = prerequisiteIssuesForStep(
+        editor.state,
+        'asset-separation',
+      );
+      if (prerequisiteIssues.length > 0) {
+        reportWorkflowCompletion(
+          'asset-separation',
+          'failure',
+          prerequisiteIssues.map((issue) => issue.message).join('；'),
+          setSeparationStatus,
+        );
+        return;
+      }
       await runSeparationWorkflow();
     } catch (cause) {
       setSeparationStatus(
@@ -1257,6 +1270,19 @@ export function useUiEditorSession(
   async function restartSeparation() {
     if (!resourceId) return;
     setSeparationRecovery(null);
+    const prerequisiteIssues = prerequisiteIssuesForStep(
+      editor.state,
+      'asset-separation',
+    );
+    if (prerequisiteIssues.length > 0) {
+      reportWorkflowCompletion(
+        'asset-separation',
+        'failure',
+        prerequisiteIssues.map((issue) => issue.message).join('；'),
+        setSeparationStatus,
+      );
+      return;
+    }
     try {
       await invoke('discard_separation_recovery', {
         projectPath,