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/timeline-detail/timeline-detail.js

@@ -74,8 +74,8 @@ Page(withDataCache({
     this.setData(getLayout());
     var id = options.id;
     if (id) {
-      this.setData({ detailId: parseInt(id) });
-      this.loadDetail(parseInt(id));
+      this.setData({ detailId: String(id) });
+      this.loadDetail(String(id));
     }
     var self = this;
     var swipe = createSwipeBack(function() { wx.navigateBack(); });
@@ -108,7 +108,7 @@ Page(withDataCache({
     try {
       var item = await api.timelineDetail(id);
       var myUid = wx.getStorageSync('userId');
-      var cid = parseInt(item.created_by) || 0;
+      var cid = String(item.created_by) || 0;
 
       // 获取情侣信息
       try {