修复画布参考图上传删除链路 (#164)

主站规范生成支持多张参考图

修复普通生成参考图删除与提交状态不同步

优化触屏设备删除按钮可达性并补充回归测试

---------

Co-authored-by: kdletters <kdletters@qq.com>
Reviewed-on: http://192.168.35.82/git/GenarrativeAI/Genarrative/pulls/164
Co-authored-by: 孟豪 <mh18530625731@163.com>
Co-committed-by: 孟豪 <mh18530625731@163.com>

src/components/image-editor/ImageCanvasGenerationModel.test.ts

@@ -52,6 +52,7 @@ import {
   isNormalizedCanvasGenerationInputs,
   isQuickEditSupportedLayer,
   resolveCharacterAnimationSourceImageSrc,
+  resolveDialogExtraImageReferenceLimit,
   resolveEditorImageGenerationPixelSize,
   resolveImageGenerationErrorMessage,
   VIDEO_MODEL_KLING_3,
@@ -68,6 +69,26 @@ describe('ImageCanvasGenerationModel', () => {
     });
   });
 
+  it('uses the fixed spec model provider limit for multi-reference spec dialogs', () => {
+    expect(
+      resolveDialogExtraImageReferenceLimit({
+        mode: 'spec',
+        specType: 'character',
+        prompt: '',
+        status: 'idle',
+      }),
+    ).toBe(5);
+    expect(
+      resolveDialogExtraImageReferenceLimit({
+        mode: 'spec',
+        specType: 'custom',
+        prompt: '',
+        status: 'idle',
+        imageModel: IMAGE_MODEL_NANOBANANA2,
+      }),
+    ).toBe(5);
+  });
+
   it('展示时长时收敛到两位小数且不改动其他字段', () => {
     const format = (title: string, value: string) =>
       formatEditorGenerationInputFieldValue({ title, value });
@@ -977,13 +998,14 @@ describe('ImageCanvasGenerationModel', () => {
   });
 
   it('adds reference image semantics and snapshots for spec generation references', () => {
-    expect(
-      buildSpecPrompt(
-        'custom',
-        { ...blankSpecValues, customPrompt: '生成一张怪兽规范图' },
-        true,
-      ),
-    ).toContain('生成一张怪兽规范图');
+    const prompt = buildSpecPrompt(
+      'custom',
+      { ...blankSpecValues, customPrompt: '生成一张怪兽规范图' },
+      true,
+    );
+    expect(prompt).toContain('严格参考全部参考图');
+    expect(prompt).not.toContain('严格参考图1');
+    expect(prompt).toContain('生成一张怪兽规范图');
     expect(
       buildSpecGenerationInputs(
         'custom',