feat(chat): 添加私信功能和WebSocket实时通信

- 集成WebSocket管理器，支持心跳、自动重连、消息队列
- 实现私信相关API接口，包括会话列表、历史消息、已读标记等
- 添加聊天页面和会话列表页面，支持实时消息收发
- 配置地图权限和腾讯地图SDK用于酒局定位功能
- 修改应用名称为"喝酒了么"并更新应用描述
- 在App.vue中初始化WebSocket连接和私信功能
- 添加详细的私信模块接口文档和Mock数据
- 优化单图片动态高度计算和预加载逻辑

pages/event-create/event-create.vue

@@ -45,13 +45,31 @@
         <!-- 地点 -->
         <view class="form-group">
           <text class="form-label">地点</text>
-          <input
-            class="form-input"
-            v-model="form.location"
-            placeholder="输入聚会地点"
-            placeholder-class="form-placeholder"
-            :maxlength="50"
-          />
+          <!-- 已选地点：显示地图预览 -->
+          <view v-if="form.latitude" class="location-preview">
+            <map
+              class="location-map"
+              :latitude="form.latitude"
+              :longitude="form.longitude"
+              :markers="locationMarkers"
+              :scale="15"
+              :show-location="false"
+              @click="chooseLocation"
+            ></map>
+            <view class="location-info">
+              <text class="location-name">{{ form.location }}</text>
+              <text class="location-address">{{ form.address || '' }}</text>
+            </view>
+            <view class="location-change" @click="chooseLocation">
+              <text class="location-change-text">重新选择</text>
+            </view>
+          </view>
+          <!-- 未选地点：点击选择 -->
+          <view v-else class="location-picker" @click="chooseLocation">
+            <text class="location-picker-icon">📍</text>
+            <text class="location-picker-text">点击选择地点</text>
+            <text class="location-picker-arrow">›</text>
+          </view>
         </view>
 
         <!-- 人数 -->
@@ -104,6 +122,9 @@ export default {
         date: '',
         time: '',
         location: '',
+        address: '',
+        latitude: null,
+        longitude: null,
         maxPeople: 6,
         note: ''
       },
@@ -113,6 +134,17 @@ export default {
   computed: {
     canSubmit() {
       return this.form.title.trim() && this.form.date && this.form.time && this.form.location.trim() && !this.submitting
+    },
+    locationMarkers() {
+      if (!this.form.latitude) return []
+      return [{
+        id: 1,
+        latitude: this.form.latitude,
+        longitude: this.form.longitude,
+        title: this.form.location,
+        width: 28,
+        height: 38
+      }]
     }
   },
   methods: {
@@ -125,6 +157,19 @@ export default {
     onTimeChange(e) {
       this.form.time = e.detail.value
     },
+    chooseLocation() {
+      uni.chooseLocation({
+        success: (res) => {
+          this.form.location = res.name || res.address || ''
+          this.form.address = res.address || ''
+          this.form.latitude = res.latitude
+          this.form.longitude = res.longitude
+        },
+        fail: () => {
+          // 用户取消或无权限，不做处理
+        }
+      })
+    },
     changePeople(delta) {
       const val = this.form.maxPeople + delta
       if (val >= 2 && val <= 50) {
@@ -139,6 +184,9 @@ export default {
           title: this.form.title,
           time: `${this.form.date} ${this.form.time}`,
           location: this.form.location,
+          address: this.form.address,
+          latitude: this.form.latitude,
+          longitude: this.form.longitude,
           maxPeople: this.form.maxPeople,
           note: this.form.note
         })
@@ -279,6 +327,86 @@ export default {
   box-sizing: border-box;
 }
 
+/* 地点选择器 */
+.location-picker {
+  display: flex;
+  align-items: center;
+  gap: $sp-md;
+  height: 96rpx;
+  padding: 0 $sp-lg;
+  background: $bg-card;
+  border-radius: $radius-lg;
+  border: 2rpx dashed var(--border-dashed, rgba(255,255,255,0.12));
+
+  &:active {
+    background: $bg-card-alt;
+  }
+}
+
+.location-picker-icon {
+  font-size: $fs-lg;
+}
+
+.location-picker-text {
+  flex: 1;
+  font-size: $fs-base;
+  color: $text-tertiary;
+}
+
+.location-picker-arrow {
+  font-size: $fs-xl;
+  color: $text-tertiary;
+}
+
+/* 地图预览 */
+.location-preview {
+  border-radius: $radius-lg;
+  overflow: hidden;
+  border: 1rpx solid var(--border-faint, rgba(255,255,255,0.08));
+}
+
+.location-map {
+  width: 100%;
+  height: 280rpx;
+}
+
+.location-info {
+  display: flex;
+  flex-direction: column;
+  gap: 6rpx;
+  padding: $sp-md $sp-lg;
+  background: $bg-card;
+}
+
+.location-name {
+  font-size: $fs-base;
+  font-weight: $fw-bold;
+  color: $text-primary;
+}
+
+.location-address {
+  font-size: $fs-xs;
+  color: $text-tertiary;
+}
+
+.location-change {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: $sp-sm;
+  background: $bg-card-alt;
+
+  &:active {
+    background: $bg-elevated;
+  }
+}
+
+.location-change-text {
+  font-size: $fs-sm;
+  color: $amber;
+  font-weight: $fw-medium;
+}
+
 /* 人数步进器 */
 .form-stepper {
   display: flex;