认证
POST /api/auth/login
POST /api/auth/wx-login
GET /api/auth/me
POST /api/auth/bind-phone
POST /api/auth/bind-wechat
GET /api/auth/teachers
POST /api/auth/staff（管理员）
POST /api/auth/users/:id/role（管理员）
课程与班级
GET /api/courses
GET /api/classes
GET /api/classes/:id
GET /api/rooms
学员与课时
GET /api/students
GET /api/students/:id/overview
GET /api/enrollments
GET /api/lesson-ledger
GET /api/point-ledger
排课与考勤
GET /api/sessions
POST /api/sessions
POST /api/sessions/batch
GET /api/sessions/:id
POST /api/sessions/:id/attendance
POST /api/sessions/:id/cancel
节假日与调班日
GET /api/calendar-days
POST /api/calendar-days（管理员）
POST /api/calendar-days/:id/delete（管理员）
作业打卡
GET /api/homeworks
POST /api/homeworks
GET /api/homeworks/:id
POST /api/homeworks/:id/submit
POST /api/submissions/:id/review
消息与看板
GET /api/notices
GET /api/teacher/todos
GET /api/stats/overview
GET /api/wx/subscribe
POST /api/wx/subscribe
GET /api/wx/push/logs（管理员）
家长服务
GET /api/students/:id/bill
GET /api/students/:id/guardians
POST /api/students/:id/guardians
POST /api/sessions/:id/leave-request
GET /api/leave-requests
POST /api/leave-requests/:id/handle