export type HomeSummary = { greeting: string highlight: string remainingModules: number doctorName: string } export function fetchHomeSummary(): Promise { return Promise.resolve({ greeting: '下午好,医生。', highlight: '让我们继续提升您的临床思维能力吧。', remainingModules: 3, doctorName: '王主任' }) } export function startTrainingSession() { return Promise.resolve({ sessionId: `mock-session-${Date.now()}`, startedAt: new Date().toISOString() }) }