新增教练端，实现业务闭环：会员登录注册→查询团课→预约团课→扫码签到→教练端开课→记录实际开课时间→教练端结课→记录实际结课时间→后台查询数据

gym-manage-coach-uniapp/api/coach.js

@@ -0,0 +1,52 @@
+const http = require('../utils/request')
+
+/**
+ * 教练登录（账号密码）
+ */
+function login(username, password) {
+  return http.post('/auth/login', { username, password })
+}
+
+/**
+ * 获取教练负责的团课列表
+ */
+function getCoachCourses(coachId) {
+  return http.get('/coach/' + coachId + '/courses')
+}
+
+/**
+ * 教练手动开课
+ */
+function startCourse(courseId) {
+  return http.post('/coach/courses/' + courseId + '/start')
+}
+
+/**
+ * 教练手动结课
+ */
+function endCourse(courseId) {
+  return http.post('/coach/courses/' + courseId + '/end')
+}
+
+/**
+ * 获取团课详情
+ */
+function getCourseDetail(courseId) {
+  return http.get('/groupCourse/' + courseId + '/detail')
+}
+
+/**
+ * 获取教练违规记录
+ */
+function getCoachViolations(coachId) {
+  return http.get('/coach/' + coachId + '/violations')
+}
+
+module.exports = {
+  login,
+  getCoachCourses,
+  startCourse,
+  endCourse,
+  getCourseDetail,
+  getCoachViolations
+}