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/profile/profile.js

@@ -1,3 +1,4 @@
+const { uploadReference } = require('../../utils/file-media');
 const { itemsOf, totalOf } = require('../../utils/list-pagination');
 const { withDataCache } = require('../../utils/page-cache');
 const { getLayout } = require('../../utils/layout');
@@ -359,7 +360,7 @@ Page(withDataCache({
           hasPartner: true,
           partnerName: partner.nickname || partner.username || 'TA',
           partnerDisplayId: partner.user_id || '',
-          partnerId: Number(partner.id),
+          partnerId: String(partner.id),
           partnerDetail: details.join(' · ') || 'TA的信息',
           partnerAvatarUrl: getImageUrl(partner.avatar),
           partnerInitial: (partner.nickname || partner.username || '?')[0],
@@ -511,7 +512,7 @@ Page(withDataCache({
             const data = await api.uploadAvatar(filePath);
             self.setData({
               editAvatarUrl: getImageUrl(data.path),
-              editAvatarPath: data.path
+              editAvatarPath: uploadReference(data)
             });
             wx.showToast({ title: '头像上传成功 ✨', icon: 'success' });
           } catch (e) {
@@ -663,7 +664,7 @@ Page(withDataCache({
         self.setData({partnerAvatarUploading:true});
         try {
           const uploaded = await api.uploadPartnerAvatar(res.tempFilePaths[0],partnerId);
-          self.setData({editPartnerAvatarUrl:getImageUrl(uploaded.path),editPartnerAvatarPath:uploaded.path});
+          self.setData({editPartnerAvatarUrl:getImageUrl(uploaded.path),editPartnerAvatarPath:uploadReference(uploaded)});
         } catch(error) { wx.showToast({title:error.error || '头像上传失败',icon:'none'}); }
         finally { self.setData({partnerAvatarUploading:false}); }
       }});