diff --git a/server/routes/user.js b/server/routes/user.js
index fd6a6a9..c2015f6 100644
--- a/server/routes/user.js
+++ b/server/routes/user.js
@@ -422,7 +422,9 @@ async function loginLocal(req, res, next) {
       whereClause[Op.and].push({ tenant_id: null });
     }
     
+    console.log('🔧 DEBUG: User search whereClause:', JSON.stringify(whereClause, null, 2));
     const user = await User.findOne({ where: whereClause });
+    console.log('🔧 DEBUG: Found user:', user ? { id: user.id, username: user.username, tenant_id: user.tenant_id } : 'null');
 
     if (!user || !await bcrypt.compare(password, user.password_hash)) {
       console.log(`❌ Authentication failed for "${username}" in tenant "${req.tenant?.id}"`);