From f58f6d45e8d2afceeb83aa73a42a048ebfacc7a4 Mon Sep 17 00:00:00 2001
From: "XPS\\Micro" <Rainer Wieland>
Date: Sun, 8 Feb 2026 18:30:11 +0100
Subject: [PATCH] fix: Add foreign_keys to User.containers relationship

User-Seite der Relationship muss auch foreign_keys angeben,
weil UserContainer mehrere FKs zu User hat (user_id und blocked_by).
---
 models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/models.py b/models.py
index 07d728f..e690c37 100644
--- a/models.py
+++ b/models.py
@@ -38,7 +38,7 @@ class User(UserMixin, db.Model):
     blocker = db.relationship('User', remote_side=[id], foreign_keys=[blocked_by])
 
     # Multi-Container Support
-    containers = db.relationship('UserContainer', back_populates='user', cascade='all, delete-orphan')
+    containers = db.relationship('UserContainer', foreign_keys='UserContainer.user_id', back_populates='user', cascade='all, delete-orphan')
 
     @property
     def container_id(self):