合并远端主分支更新

同步主分支音效生成与External v1契约更新
保留图标规范与图集生成链路
适配VectorEngine LLM客户端命名并解决前端提交语义冲突

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

@@ -266,8 +266,10 @@ describe('ImageCanvasGenerationDialogModel', () => {
       prompt: '',
       status: 'idle',
       composerOpen: true,
-      soundModel: 'audio1.0',
+      soundModel: 'eleven_text_to_sound_v2',
+      soundDurationMode: 'auto',
       soundDurationSeconds: 5,
+      soundLoop: false,
       placeholder: {
         x: 270,
         y: 300,
@@ -326,8 +328,10 @@ describe('ImageCanvasGenerationDialogModel', () => {
       mode: 'audio-sound-effect',
       sourceLayerId: 'layer-sfx',
       prompt: '金币收集音',
-      soundModel: 'audio1.0',
+      soundModel: 'eleven_text_to_sound_v2',
+      soundDurationMode: 'manual',
       soundDurationSeconds: 7,
+      soundLoop: false,
       composerOpen: true,
       placeholder: {
         x: 472,
@@ -385,6 +389,46 @@ describe('ImageCanvasGenerationDialogModel', () => {
     });
   });
 
+  it('restores authoritative SFX V2 prompt, duration mode, and loop on redraw', () => {
+    const draft = createAudioRedrawGenerationDialogDraft(
+      createLayer({
+        id: 'layer-sfx-v2',
+        mediaType: 'audio',
+        assetKind: 'sound-effect',
+        prompt: '不应覆盖权威用户描述',
+        generationInputs: {
+          fields: [
+            { title: '用户描述', value: '金币落地' },
+            { title: '实际英文提示词', value: 'A bright coin landing chime' },
+            { title: '时长', value: '7.42秒' },
+            { title: 'Loop', value: '开启' },
+          ],
+          references: [],
+          soundEffect: {
+            schemaVersion: 2,
+            userPrompt: '金币落地',
+            actualPrompt: 'A bright coin landing chime',
+            model: 'eleven_text_to_sound_v2',
+            durationMode: 'auto',
+            requestedDurationSeconds: null,
+            actualDurationSeconds: 7.42,
+            loop: true,
+          },
+        },
+      }),
+    );
+
+    expect(draft).toMatchObject({
+      mode: 'audio-sound-effect',
+      sourceLayerId: 'layer-sfx-v2',
+      prompt: '金币落地',
+      soundModel: 'eleven_text_to_sound_v2',
+      soundDurationMode: 'auto',
+      soundDurationSeconds: 5,
+      soundLoop: true,
+    });
+  });
+
   it('creates edit, quick-edit, and character animation panel drafts', () => {
     const sourceLayer = createLayer({
       prompt: '【系统内置】完整拼接提示词：原图提示，自动画质优化。',