feat: migrate to PostgreSQL GORM and MinIO file storage

Use UUID models and soft deletion, persist file relationships with deduplicated monthly MinIO objects, and add admin file management. Update mini-program media handling and add local dev configuration.

weapp/pages/checkin-detail/checkin-detail.js

@@ -1,3 +1,4 @@
+const { uploadReference } = require('../../utils/file-media');
 const { withDataCache } = require('../../utils/page-cache');
 const { getLayout } = require('../../utils/layout');
 // pages/checkin-detail/checkin-detail.js
@@ -14,9 +15,9 @@ Page(withDataCache({
     this.setData(getLayout());
     var id = options.id;
     if (id) {
-      this.setData({ detailId: parseInt(id) });
+      this.setData({ detailId: String(id) });
       this.loadCoupleInfo();
-      this.loadDetail(parseInt(id));
+      this.loadDetail(String(id));
     }
     var self = this;
     var swipe = createSwipeBack(function() { wx.navigateBack(); });
@@ -191,13 +192,9 @@ Page(withDataCache({
             name: 'file',
             formData: { sub_dir: 'checkins' }
           });
-          photoPath = upResult.path || '';
+          photoPath = uploadReference(upResult);
         } catch(e) {
-          // 内容安全违规：抛出错误中断打卡并提示用户
-          if (e && e.error) {
-            throw e;
-          }
-          photoPath = '';
+          throw e;
         }
         wx.hideLoading();
       }