feat(projects): add interactive AI app scaffold skill

shared/project-config.ts

@@ -1,13 +1,23 @@
 export const PRODUCT_OVERVIEW_FILENAME = 'PRODUCT_OVERVIEW.md';
 export const LEGACY_PROMOTION_PLAN_FILENAME = 'PROMOTION_PLAN.md';
 
-export const PROJECT_TYPES = ['mini_game', 'mini_program', 'custom'] as const;
+export const PROJECT_TYPES = ['interactive_ai_app', 'custom'] as const;
 export type ProjectType = (typeof PROJECT_TYPES)[number];
 
+const LEGACY_INTERACTIVE_PROJECT_TYPES = new Set(['mini_game', 'mini_program']);
+
 export function isProjectType(value: unknown): value is ProjectType {
   return typeof value === 'string' && PROJECT_TYPES.includes(value as ProjectType);
 }
 
+export function normalizeProjectType(value: unknown): ProjectType | undefined {
+  if (isProjectType(value)) return value;
+  if (typeof value === 'string' && LEGACY_INTERACTIVE_PROJECT_TYPES.has(value)) {
+    return 'interactive_ai_app';
+  }
+  return undefined;
+}
+
 export type ProjectAgentResponsibility = {
   mission: string;
   owns: string[];