feat(event): 添加酒局报名审核功能并优化前端组件

- 新增 ApproveEvent API 接口用于审核报名用户
- 在 EventCard 组件中显示待审核状态（⏳ 待审核）
- 实现酒局发起人审核报名用户的完整流程
- 添加用户协议和隐私政策页面
- 优化 FeedCard 组件中的图片展示逻辑
- 修复连续打卡天数计算问题
- 更新 HaveADrink SDK 至 1.0.15 版本

components/FeedCard.vue

@@ -31,15 +31,16 @@
       <text class="feed-feeling-text">{{ feelingLabel(feed.feeling) }}</text>
     </view>
 
-    <!-- 图片 -->
+    <!-- 图片：按原图比例自适应高度，极端比例才裁剪 -->
     <view class="feed-images" v-if="feed.images && feed.images.length">
       <image
         v-for="(img, i) in feed.images"
         :key="i"
         class="feed-img"
-        :class="'feed-img-' + Math.min(feed.images.length, 3)"
         :src="img"
         mode="aspectFill"
+        :style="imgStyle(i)"
+        @click.stop="previewImage(i)"
       ></image>
     </view>
 
@@ -76,9 +77,87 @@ export default {
     canDelete: { type: Boolean, default: false }
   },
   emits: ['item-click', 'like', 'comment', 'share', 'delete'],
+  data() {
+    return {
+      // 图片宽高比缓存：url -> width/height
+      imgRatios: {}
+    }
+  },
+  watch: {
+    'feed.images': {
+      handler(list) { this.loadImgMeta(list) },
+      immediate: true
+    }
+  },
   methods: {
     getCatIcon,
     isIconPath,
+    /** 拉取图片真实尺寸，用于按比例计算展示高度 */
+    loadImgMeta(list) {
+      if (!list || !list.length) return
+      list.forEach(url => {
+        if (!url || this.imgRatios[url] !== undefined) return
+        uni.getImageInfo({
+          src: url,
+          success: res => {
+            if (res.width && res.height) {
+              this.imgRatios[url] = res.width / res.height
+            }
+          }
+        })
+      })
+    },
+    /** 每行图片数量：4张用2x2，其余每行最多3张 */
+    perRow() {
+      const n = (this.feed.images || []).length
+      return n === 4 ? 2 : Math.min(n || 1, 3)
+    },
+    /** 列宽（rpx）：750 - 页面边距64 - 卡片内边距96 - 行间gap */
+    colWidth() {
+      const gap = 16
+      const total = 750 - 64 - 96
+      const cols = this.perRow()
+      return (total - gap * (cols - 1)) / cols
+    },
+    /** 单张图片的目标高度：按真实比例，夹在上下限内 */
+    targetHeight(ratio, colW, minH, maxH) {
+      const r = ratio && ratio > 0 ? ratio : 1
+      return Math.max(minH, Math.min(colW / r, maxH))
+    },
+    /** 同行图片统一高度（取同行目标高度的均值） */
+    rowHeight(rowIdx) {
+      const list = this.feed.images || []
+      const cols = this.perRow()
+      const colW = this.colWidth()
+      const single = cols === 1
+      const minH = single ? 300 : 180
+      const maxH = single ? 720 : 400
+      const start = rowIdx * cols
+      const items = list.slice(start, start + cols)
+      let sum = 0
+      items.forEach(url => {
+        sum += this.targetHeight(this.imgRatios[url], colW, minH, maxH)
+      })
+      return Math.round(sum / items.length)
+    },
+    /** 点击图片预览大图（支持左右滑动切换） */
+    previewImage(i) {
+      const urls = this.feed.images || []
+      if (!urls.length) return
+      uni.previewImage({
+        urls,
+        current: urls[i]
+      })
+    },
+    imgStyle(i) {
+      const cols = this.perRow()
+      const gap = 16
+      const width = cols === 1 ? '100%' : `calc(${(100 / cols).toFixed(4)}% - ${((gap * (cols - 1)) / cols).toFixed(2)}rpx)`
+      return {
+        width,
+        height: this.rowHeight(Math.floor(i / cols)) + 'rpx'
+      }
+    },
     feelingLabel(f) {
       const val = String(f).toLowerCase()
       const map = {
@@ -211,20 +290,11 @@ export default {
 
 .feed-img {
   border-radius: $radius-md;
-  height: 200rpx;
-}
-
-.feed-img-1 {
-  width: 100%;
-  height: 320rpx;
-}
-
-.feed-img-2 {
-  width: calc(50% - 8rpx);
-}
-
-.feed-img-3 {
-  width: calc(33.33% - 11rpx);
+  display: block;
+  /* 比例未获取前的占位尺寸，避免布局跳动 */
+  width: 33%;
+  height: 220rpx;
+  background: $bg-elevated;
 }
 
 .feed-actions {