新增图集连通域与可配置网格切分

增加 connected-components 与 grid 切分模式

支持 gridX/gridY 并同步 API、MCP、Skill、AGC 客户端

移除固定 2x2 图集切分契约与文档

src/services/image-editor/editorProjectClient.test.ts

@@ -1147,13 +1147,14 @@ describe('editorProjectClient', () => {
       referenceId: 'editor-resource-icon-spec',
       referenceImageSrcs: references,
       iconDescriptions: ['返回按钮'],
+      sliceMode: 'connected-components',
     });
 
     expect(requestJsonMock).toHaveBeenCalledWith(
       '/api/editor/icon-spritesheets/generations',
       expect.objectContaining({
-        body: expect.stringContaining(
-          '"model":"gemini-3.1-flash-image-preview"',
+        body: expect.stringMatching(
+          /(?=.*"model":"gemini-3\.1-flash-image-preview")(?=.*"sliceMode":"connected-components")/,
         ),
       }),
       '生成图标素材失败',

src/services/image-editor/editorProjectClient.ts

@@ -380,6 +380,9 @@ export type EditorIconSpritesheetGenerationInput = {
   referenceId: string;
   referenceImageSrcs?: string[];
   iconDescriptions: string[];
+  sliceMode?: 'connected-components' | 'grid';
+  gridX?: number;
+  gridY?: number;
   model?: string;
   screenColor?: string;
   segModel?: string;
@@ -516,6 +519,9 @@ export type EditorIconSpritesheetGenerationResult = {
   spritesheetWidth: number;
   spritesheetHeight: number;
   iconImageSrcs: EditorIconSpritesheetIconResult[];
+  sliceMode?: 'connected-components' | 'grid';
+  gridX?: number;
+  gridY?: number;
   sliceWarning?: EditorIconSpritesheetSliceWarning | null;
   prompt: string;
   actualPrompt?: string | null;
@@ -1311,6 +1317,9 @@ export async function generateEditorIconSpritesheet(
         ? { referenceImageSrcs: input.referenceImageSrcs }
         : {}),
       iconDescriptions,
+      ...(input.sliceMode ? { sliceMode: input.sliceMode } : {}),
+      ...(input.gridX !== undefined ? { gridX: input.gridX } : {}),
+      ...(input.gridY !== undefined ? { gridY: input.gridY } : {}),
       model,
       ...(input.screenColor ? { screenColor: input.screenColor } : {}),
       ...(input.segModel ? { segModel: input.segModel } : {}),