feat: add edutainment drawing and visual package flows

packages/shared/src/contracts/edutainmentBabyDrawing.ts

@@ -0,0 +1,85 @@
+export const BABY_LOVE_DRAWING_TEMPLATE_ID = 'baby-love-drawing';
+export const BABY_LOVE_DRAWING_TEMPLATE_NAME = '宝贝爱画';
+export const BABY_LOVE_DRAWING_EDUTAINMENT_TAG = '寓教于乐';
+
+export type BabyLoveDrawingTemplateId =
+  typeof BABY_LOVE_DRAWING_TEMPLATE_ID;
+
+export type BabyLoveDrawingTool = 'brush' | 'eraser';
+
+export type BabyLoveDrawingSaveMode =
+  | 'original-only'
+  | 'original-and-magic';
+
+export type BabyLoveDrawingGenerationProvider =
+  | 'vector-engine-gpt-image-2'
+  | 'local-demo';
+
+export type BabyLoveDrawingPoint = {
+  x: number;
+  y: number;
+  t: number;
+};
+
+export type BabyLoveDrawingStroke = {
+  strokeId: string;
+  tool: BabyLoveDrawingTool;
+  color: string;
+  points: BabyLoveDrawingPoint[];
+};
+
+export type BabyLoveDrawingRecord = {
+  drawingId: string;
+  templateId: BabyLoveDrawingTemplateId;
+  templateName: typeof BABY_LOVE_DRAWING_TEMPLATE_NAME;
+  originalImageSrc: string;
+  magicImageSrc: string | null;
+  strokeTrace: BabyLoveDrawingStroke[];
+  saveMode: BabyLoveDrawingSaveMode;
+  themeTags: string[];
+  createdAt: string;
+  updatedAt: string;
+};
+
+export type CreateBabyLoveDrawingMagicRequest = {
+  originalImageSrc: string;
+  strokeTrace: BabyLoveDrawingStroke[];
+};
+
+export type CreateBabyLoveDrawingMagicResponse = {
+  magicImageSrc: string;
+  generationProvider: BabyLoveDrawingGenerationProvider;
+  prompt: string;
+};
+
+export type SaveBabyLoveDrawingRequest = {
+  originalImageSrc: string;
+  magicImageSrc?: string | null;
+  strokeTrace: BabyLoveDrawingStroke[];
+};
+
+export type SaveBabyLoveDrawingResponse = {
+  record: BabyLoveDrawingRecord;
+};
+
+export const BABY_LOVE_DRAWING_RAINBOW_COLORS = [
+  { id: 'red', label: '红', value: '#ef4444' },
+  { id: 'orange', label: '橙', value: '#f97316' },
+  { id: 'yellow', label: '黄', value: '#facc15' },
+  { id: 'green', label: '绿', value: '#22c55e' },
+  { id: 'cyan', label: '青', value: '#06b6d4' },
+  { id: 'blue', label: '蓝', value: '#3b82f6' },
+  { id: 'purple', label: '紫', value: '#a855f7' },
+] as const;
+
+export type BabyLoveDrawingRainbowColorId =
+  (typeof BABY_LOVE_DRAWING_RAINBOW_COLORS)[number]['id'];
+
+export function normalizeBabyLoveDrawingTags(tags: string[]) {
+  return [
+    ...new Set([
+      BABY_LOVE_DRAWING_EDUTAINMENT_TAG,
+      ...tags.map((tag) => tag.trim()).filter(Boolean),
+    ]),
+  ];
+}