Interface Template

utils/templateStorage.ts:1–11

export interface Template {
  id: string;
  name: string;
  description: string;
  content: string;
  category: 'preset' | 'custom';
  tags: string[];
  createdAt: number;
  lastUsed?: number;
  useCount: number;
}

export interface TemplateCategory {
  id: string;