refactor(cfc-frontend): remove reading timer from article detail

阅读计时器移除，阅读完成不再需要等待10秒

Ultraworked with Sisyphus

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

cfc-frontend/pages/article-center/article-detail.vue

@@ -49,16 +49,10 @@
         <view style="height: 160rpx;"></view>
       </scroll-view>
 
-      <!-- 阅读完成浮动按钮 -->
+      <!-- 阅读完成 -->
       <view v-if="!showQuiz && !showResult" class="detail-footer">
-        <view class="reading-timer">
-          <text class="timer-icon">⏱</text>
-          <text class="timer-text">{{ formatTime(readingSeconds) }}</text>
-        </view>
         <button
           class="read-btn"
-          :class="{ 'read-btn-ready': readingSeconds >= 10 }"
-          :disabled="readingSeconds < 10"
           @click="onReadComplete"
         >阅读完成</button>
       </view>
@@ -114,7 +108,7 @@
 </template>
 
 <script>
-import { getArticleDetail, getAiQuestions, submitAnswers, recordArticleRead } from '@/utils/api.js'
+import { getArticleDetail, getAiQuestions, submitAnswers } from '@/utils/api.js'
 
 export default {
   data() {
@@ -124,8 +118,7 @@ export default {
       loading: true,
       error: false,
       errorMsg: '',
-      readingSeconds: 0,
-      readingTimer: null,
+      // timer removed
       showQuiz: false,
       quizLoading: false,
       quizError: false,
@@ -152,7 +145,6 @@ export default {
     if (options && options.id) {
       this.articleId = options.id
       this.loadDetail(options.id)
-      this.startTimer()
     } else {
       this.error = true
       this.errorMsg = '参数错误'
@@ -160,7 +152,6 @@ export default {
     }
   },
   onUnload() {
-    this.stopTimer()
   },
   methods: {
     async loadDetail(id) {
@@ -181,23 +172,7 @@ export default {
         this.loading = false
       }
     },
-    startTimer() {
-      var self = this
-      this.readingTimer = setInterval(function() {
-        self.readingSeconds++
-      }, 1000)
-    },
-    stopTimer() {
-      if (this.readingTimer) {
-        clearInterval(this.readingTimer)
-        this.readingTimer = null
-      }
-    },
-    formatTime(seconds) {
-      var m = Math.floor(seconds / 60)
-      var s = seconds % 60
-      return (m < 10 ? '0' + m : m) + ':' + (s < 10 ? '0' + s : s)
-    },
+    // timer methods removed
     formatDate(dateStr) {
       if (!dateStr) return ''
       return dateStr.slice(0, 10)
@@ -231,17 +206,7 @@ export default {
       // 滚动到底部
     },
     async onReadComplete() {
-      this.stopTimer()
-      try {
-        var childId = uni.getStorageSync('currentChildId')
-        await recordArticleRead({
-          id: this.article.id,
-          durationSeconds: this.readingSeconds,
-          childId: childId || undefined
-        })
-      } catch (e) {
-        // 阅读记录失败不影响出题
-      }
+      // 计时器已移除，直接进入答题
       this.showQuiz = true
       this.loadQuiz()
     },
@@ -333,12 +298,7 @@ export default {
 .detail-body rich-text { word-break: break-word; }
 /* 底部按钮 */
 .detail-footer { position: fixed; bottom: 0; left: 0; right: 0; background: #fff; padding: 20rpx 30rpx; display: flex; align-items: center; box-shadow: 0 -2rpx 10rpx rgba(0,0,0,0.06); z-index: 10; }
-.reading-timer { display: flex; align-items: center; margin-right: 20rpx; }
-.timer-icon { font-size: 32rpx; margin-right: 6rpx; }
-.timer-text { font-size: 28rpx; font-weight: bold; color: #333; }
-.read-btn { flex: 1; height: 80rpx; line-height: 80rpx; background: #ddd; color: #fff; font-size: 30rpx; font-weight: bold; border-radius: 40rpx; text-align: center; border: none; }
-.read-btn-ready { background: linear-gradient(135deg, #5B9BD5, #3A7CC4); }
-.read-btn[disabled] { opacity: 0.5; }
+.read-btn { flex: 1; height: 80rpx; line-height: 80rpx; background: linear-gradient(135deg, #5B9BD5, #3A7CC4); color: #fff; font-size: 30rpx; font-weight: bold; border-radius: 40rpx; text-align: center; border: none; }
 .read-btn::after { border: none; }
 /* 答题区 */
 .quiz-container { padding: 30rpx; }