fix(register): 确保集体项目报名时传递type字段

- 在项目列表中保存type字段
- 跳转报名页面时传递完整的项目信息（包含type）
- 确保集体项目报名时显示集体选择而非选手选择

src/pages/select-event/select-event.vue

@@ -43,16 +43,11 @@ export default {
     if (options.type) {
       this.type = options.type;
     }
-    // Load project list after type is set
     if (this.eventId) {
       this.loadProjectList(this.eventId)
     }
   },
   methods: {
-    /**
-     * Load project list filtered by participation type
-     * @param {String} eventId Competition ID
-     */
     async loadProjectList(eventId) {
       try {
         const params = { competitionId: eventId }
@@ -77,6 +72,7 @@ export default {
           id: item.id,
           name: item.name || item.projectName,
           price: item.price || item.registrationFee || 0,
+          type: item.type || (this.type === 'team' ? 2 : 1),
           selected: false
         }))
       } catch (err) {
@@ -92,6 +88,7 @@ export default {
       item.selected = !item.selected;
       this.$forceUpdate();
     },
+    
     handleRegister() {
       const selectedProjects = this.projectList.filter(item => item.selected);
       if (selectedProjects.length === 0) {
@@ -102,8 +99,16 @@ export default {
         return;
       }
 
+      // Include type in selected projects data
+      const projectsData = selectedProjects.map(p => ({
+        id: p.id,
+        name: p.name,
+        price: p.price,
+        type: p.type
+      }))
+
       uni.navigateTo({
-        url: `/pages/event-register/event-register?eventId=${this.eventId}&projects=${encodeURIComponent(JSON.stringify(selectedProjects))}`
+        url: `/pages/event-register/event-register?eventId=${this.eventId}&projects=${encodeURIComponent(JSON.stringify(projectsData))}`
       });
     }
   }