fix: 修复身体画像约课阻断、页面响应式丢失及多项边界问题

- fix(booking): 修复未认领画像阻断约课问题，支持约课事务内自动认领绑定
- fix(app): 修复 Pinia 状态解构导致响应式失效，补齐 PortraitRadar 组件实例传参
- fix(admin): 修复经营助手复测待办点击 404，优化体验课后线索回访文案
- fix(server): 线下评估日期间隔按中国时区校验，复测按期次单项核销，优化单次评估分享卡与限流清理
- test: 补齐 body-portrait-offline 与 booking 来源画像单元测试

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/app/src/components/PortraitRadar.vue

@@ -3,15 +3,16 @@
 </template>
 
 <script setup lang="ts">
-import { onMounted, watch } from 'vue'
+import { getCurrentInstance, onMounted, watch } from 'vue'
 import { BODY_DIMENSION_LABELS, type BodyPortraitScores } from '@mp-pilates/shared'
 
 const props = defineProps<{ scores: BodyPortraitScores }>()
+const instance = getCurrentInstance()
 const labels = ['肩颈', '脊柱', '核心', '髋骨盆', '下肢']
 const keys = ['cervicalShoulder', 'spinalMobility', 'coreControl', 'hipPelvis', 'lowerLimb'] as const
 
 function draw() {
-  const ctx = uni.createCanvasContext('portraitRadar')
+  const ctx = uni.createCanvasContext('portraitRadar', instance?.proxy)
   const w = 280
   const h = 280
   const cx = w / 2