feat(app): 添加课程页面并优化打卡和计划功能

- 新增 pages/course/course 页面，集成 web-view 显示线上课程列表
- 在 app.json 中注册课程页面并添加底部 tabbar 导航
- 优化打卡页面，添加学号显示和改进成员列表布局
- 重构计划页面，添加内容详情弹层和优化加载逻辑
- 添加阿里云 OSS 上传工具模块用于文件上传功能
- 统一姓名和学号在同一行显示，改善 UI 体验
- 修复多个页面中的绑定事件和样式问题

pages/plan/plan.wxml

@@ -6,7 +6,7 @@
         <view
           class="type-tab {{typeIndex === index ? 'active' : ''}}"
           wx:for="{{types}}"
-          wx:key="index"
+          wx:key="*this"
           data-index="{{index}}"
           hover-class="type-tab-hover"
           bindtap="onTypeChange"
@@ -24,7 +24,7 @@
         <view class="overview-head">
           <view class="head-title-wrap">
             <view class="head-title">{{types[typeIndex]}}</view>
-            <view class="head-sub" wx:if="{{isTeacher}}" bindtap="{{periodList.length > 0 ? 'openPeriodPicker' : ''}}" hover-class="{{periodList.length > 0 ? 'head-hover' : ''}}">
+            <view class="head-sub" wx:if="{{isTeacher}}" bindtap="openPeriodPicker" hover-class="{{periodList.length > 0 ? 'head-hover' : 'none'}}">
               {{periodKey}}
               <text class="head-arrow" wx:if="{{periodList.length > 0}}"> ▾</text>
             </view>
@@ -93,8 +93,8 @@
             <view
               class="group-period-row"
               wx:if="{{myGroup}}"
-              bindtap="{{periodList.length > 0 ? 'openPeriodPicker' : ''}}"
-              hover-class="{{periodList.length > 0 ? 'head-hover' : ''}}"
+              bindtap="openPeriodPicker"
+              hover-class="{{periodList.length > 0 ? 'head-hover' : 'none'}}"
             >
               <text class="group-period-text">{{myGroup}} · {{periodKey}}</text>
               <text class="head-arrow" wx:if="{{periodList.length > 0}}"> ▾</text>
@@ -103,16 +103,22 @@
               <view class="state-icon">◌</view>
               <view>加载中...</view>
             </view>
+            <!-- 学员小组 tab：只展示成员信息，不展示任何人的打卡内容，也不提供详情入口 -->
             <view class="member-list" wx:elif="{{members.length > 0}}">
-              <view class="member" wx:for="{{members}}" wx:key="user_id" wx:for-item="member">
-                <view class="member-left">
-                  <view class="member-avatar {{member.filled ? 'done' : 'unchecked'}}">{{index + 1}}</view>
-                  <view class="member-info">
-                    <view class="member-name">{{member.name}}</view>
-                    <view class="member-meta" wx:if="{{member.filled && member.record}}">{{member.record.checked_at}} 提交</view>
+              <view class="member" wx:for="{{members}}" wx:key="user_id" wx:for-item="member" wx:for-index="mi">
+                <view class="member-row">
+                  <view class="member-left">
+                    <view class="member-avatar {{member.filled ? 'done' : 'unchecked'}}">{{mi + 1}}</view>
+                    <view class="member-info">
+                      <view class="member-line">
+                        <text class="member-name">{{member.name}}</text>
+                        <text class="member-sid" wx:if="{{member.student_id}}">学号 {{member.student_id}}</text>
+                      </view>
+                      <view class="member-meta" wx:if="{{member.filled && member.record}}">{{member.record.checked_at}} 提交</view>
+                    </view>
                   </view>
+                  <view class="badge {{member.filled ? 'done' : 'unchecked'}}">{{member.filled ? '已完成' : '未完成'}}</view>
                 </view>
-                <view class="badge {{member.filled ? 'done' : 'unchecked'}}">{{member.filled ? '已完成' : '未完成'}}</view>
               </view>
             </view>
             <view class="empty" wx:elif="{{!loading && !myGroup}}">
@@ -131,7 +137,13 @@
               <view class="empty-icon">📒</view>
               <view class="empty-text">暂无{{types[typeIndex]}}记录</view>
             </view>
-            <view class="history-card" wx:for="{{history}}" wx:key="id">
+            <!-- 卡片直接铺内容：正文 3 行截断、缩略图最多 2 张；全部文字与图片在「查看详情」弹层里看 -->
+            <view
+              class="history-card"
+              wx:for="{{history}}"
+              wx:key="id"
+              wx:for-index="hi"
+            >
               <view class="history-head">
                 <view class="history-period">{{item.period_key}}</view>
                 <view class="history-status" style="color:{{item.statusColor}};background:{{item.statusBg}}">{{item.status}}</view>
@@ -139,8 +151,17 @@
               <view class="history-meta" wx:if="{{item.checked_at}}">{{item.checked_at}} 提交</view>
               <view class="history-content" wx:if="{{item.content}}">{{item.content}}</view>
               <view class="history-thumbs" wx:if="{{item.thumbs.length > 0}}">
-                <image class="history-thumb" wx:for="{{item.thumbs}}" wx:for-item="thumb" wx:key="*this" src="{{thumb}}" mode="aspectFill"></image>
+                <image
+                  class="history-thumb"
+                  wx:for="{{item.thumbs}}"
+                  wx:for-item="thumb"
+                  wx:for-index="ti"
+                  wx:key="*this"
+                  src="{{thumb}}"
+                  mode="aspectFill"
+                ></image>
               </view>
+              <view class="tap-hint" data-hi="{{hi}}" hover-class="tap-hint-hover" bindtap="openHistoryDetail">查看详情 ›</view>
             </view>
           </view>
         </block>
@@ -176,7 +197,7 @@
         <view class="back" hover-class="back-hover" bindtap="backToOverview">‹ 返回</view>
         <view class="detail-title-wrap">
           <view class="head-title">{{selectedGroupName}}</view>
-          <view class="head-sub" bindtap="{{periodList.length > 0 ? 'openPeriodPicker' : ''}}" hover-class="{{periodList.length > 0 ? 'head-hover' : ''}}">
+          <view class="head-sub" bindtap="openPeriodPicker" hover-class="{{periodList.length > 0 ? 'head-hover' : 'none'}}">
             {{periodKey}} <text class="head-arrow" wx:if="{{periodList.length > 0}}"> ▾</text>
           </view>
         </view>
@@ -187,15 +208,36 @@
           <view>加载中...</view>
         </view>
         <view class="member-list">
-          <view class="member" wx:for="{{members}}" wx:key="user_id" wx:for-item="member">
-            <view class="member-left">
-              <view class="member-avatar {{member.filled ? 'done' : 'unchecked'}}">{{index + 1}}</view>
-              <view class="member-info">
-                <view class="member-name">{{member.name}}</view>
-                <view class="member-meta" wx:if="{{member.filled && member.record}}">{{member.record.checked_at}} 提交</view>
+          <view class="member" wx:for="{{members}}" wx:key="user_id" wx:for-item="member" wx:for-index="mi">
+            <!-- 已提交者整行可点，全文与全部图片在详情弹层里看（未提交者 handler 内部会直接返回） -->
+            <view
+              class="member-row"
+              data-mi="{{mi}}"
+              hover-class="{{member.filled ? 'member-row-hover' : 'none'}}"
+              bindtap="openMemberDetail"
+            >
+              <view class="member-left">
+                <view class="member-avatar {{member.filled ? 'done' : 'unchecked'}}">{{mi + 1}}</view>
+                <view class="member-info">
+                  <view class="member-line">
+                    <text class="member-name">{{member.name}}</text>
+                    <text class="member-sid" wx:if="{{member.student_id}}">学号 {{member.student_id}}</text>
+                  </view>
+                  <view class="member-meta" wx:if="{{member.filled && member.record}}">{{member.record.checked_at}} 提交</view>
+                </view>
               </view>
+              <view class="badge {{member.filled ? 'done' : 'unchecked'}}">{{member.filled ? '已完成' : '未完成'}}</view>
             </view>
-            <view class="badge {{member.filled ? 'done' : 'unchecked'}}">{{member.filled ? '已完成' : '未完成'}}</view>
+            <!-- 提示文字是 .member-row 的兄弟节点，必须自己绑事件，否则点它没有任何节点接收
+                 （不要挪进 .member-row 里 —— tap 会冒泡到父行导致 openMemberDetail 执行两次，
+                 同 tick 连发 setData 会触发 recursive update detected） -->
+            <view
+              class="tap-hint"
+              wx:if="{{member.filled}}"
+              data-mi="{{mi}}"
+              hover-class="tap-hint-hover"
+              bindtap="openMemberDetail"
+            >点击查看详情 ›</view>
           </view>
         </view>
         <view class="empty" wx:if="{{!loading && members.length === 0}}">暂无成员</view>
@@ -220,4 +262,34 @@
       </view>
     </view>
   </block>
+
+  <!-- 内容详情弹层：完整文章 + 全部图片 -->
+  <view class="cd-mask" wx:if="{{contentDetail}}" bindtap="closeContentDetail" catchtouchmove="noop"></view>
+  <view class="cd-panel" wx:if="{{contentDetail}}">
+    <view class="cd-head">
+      <view class="cd-head-text">
+        <view class="cd-title">{{contentDetail.title}}</view>
+        <view class="cd-sub" wx:if="{{contentDetail.sub}}">{{contentDetail.sub}}</view>
+      </view>
+      <view class="cd-close" hover-class="cd-close-hover" bindtap="closeContentDetail">✕</view>
+    </view>
+    <view class="cd-meta" wx:if="{{contentDetail.meta}}">{{contentDetail.meta}}</view>
+    <scroll-view class="cd-body" scroll-y>
+      <view class="cd-content" wx:if="{{contentDetail.content}}">{{contentDetail.content}}</view>
+      <view class="cd-no-content" wx:if="{{!contentDetail.content}}">未填写文字内容</view>
+      <view class="cd-thumbs" wx:if="{{contentDetail.thumbs.length > 0}}">
+        <image
+          class="cd-thumb"
+          wx:for="{{contentDetail.thumbs}}"
+          wx:for-item="pic"
+          wx:for-index="ci"
+          wx:key="*this"
+          src="{{pic}}"
+          mode="widthFix"
+          data-ci="{{ci}}"
+          bindtap="previewDetailImage"
+        ></image>
+      </view>
+    </scroll-view>
+  </view>
 </view>