feat: add contact management and various bug fixes

- Add contact API methods in athlete.js
- Add contact list display in common-info.vue
- Update add-contact.vue for contact creation
- Create edit-contact page for contact editing
- Fix event-register.vue with contact picker modal
- Fix home.vue registration status display
- Fix my-registration.vue cert modal display

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

src/api/athlete.js

@@ -41,9 +41,6 @@ export default {
 
   // ========== 集体/团队相关 API ==========
 
-  /**
-   * 获取集体列表
-   */
   getTeamList(params = {}) {
     return request.get('/martial/team/list', {
       current: params.current || 1,
@@ -52,24 +49,37 @@ export default {
     })
   },
 
-  /**
-   * 获取集体详情
-   */
   getTeamDetail(id) {
     return request.get('/martial/team/detail', { id })
   },
 
-  /**
-   * 保存集体
-   */
   saveTeam(data) {
     return request.post('/martial/team/submit', data)
   },
 
-  /**
-   * 删除集体
-   */
   removeTeam(id) {
     return request.post('/martial/team/remove?id=' + id, {})
+  },
+
+  // ========== 联系人相关 API ==========
+
+  getContactList(params = {}) {
+    return request.get('/martial/contact/list', {
+      current: params.current || 1,
+      size: params.size || 100,
+      ...params
+    })
+  },
+
+  getContactDetail(id) {
+    return request.get('/martial/contact/detail', { id })
+  },
+
+  saveContact(data) {
+    return request.post('/martial/contact/submit', data)
+  },
+
+  removeContact(id) {
+    return request.post('/martial/contact/remove?ids=' + id, {})
   }
 }