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/album/album.js

@@ -1,3 +1,4 @@
+const { uploadReference } = require('../../utils/file-media');
 const { itemsOf, startList, current, mergeUnique, applyList, failList, finishList, withListPagination } = require('../../utils/list-pagination');
 const { currentUserLocation } = require('../../utils/user-location');
 const { photoForm, metadataRows } = require('../../utils/photo-metadata');
@@ -168,7 +169,7 @@ Page(withDataCache(withListPagination({
         (photos || []).forEach(function(p) {
           var batchId = p.batch_id || p.created_at || 'default';
           if (!batchMap[batchId]) {
-            var cid = parseInt(p.created_by) || 0;
+            var cid = String(p.created_by) || 0;
             batchMap[batchId] = {
               batch_id: batchId,
               creator_name: nameMap[cid] || defaultName,
@@ -358,7 +359,7 @@ Page(withDataCache(withListPagination({
             formData: { sub_dir: 'photos' }
           });
           // 兼容不同响应格式：{path:'...'} 或 {success:true, path:'...'} 或 {url:'...'}
-          var uploadedPath = uploadRes && (uploadRes.path || uploadRes.url || '');
+          var uploadedPath = uploadReference(uploadRes);
           if (uploadedPath) {
             await api.photoAdd({
               album_id: String(albumId),