diff --git a/tests/e2e/test_goap_loop_prevention.py b/tests/e2e/test_goap_loop_prevention.py
new file mode 100644
index 0000000..f259532
--- /dev/null
+++ b/tests/e2e/test_goap_loop_prevention.py
@@ -0,0 +1,44 @@
+import pytest
+from unittest.mock import MagicMock, patch
+
+from GramAddict.core.goap import GoalExecutor
+from GramAddict.core.perception.screen_identity import ScreenType
+from GramAddict.core.q_nav_graph import QNavGraph
+from GramAddict.core.navigation.planner import GoalPlanner
+from GramAddict.core.screen_topology import ScreenTopology
+
+def test_goap_planner_avoids_infinite_loop_on_masked_edge():
+    """
+    Testet, dass der Planner eine blockierte HD Map Kante
+    (die wegen Fehlversuchen 'masked' wurde) erfolgreich umgeht
+    und nicht in einen endlosen Loop gerät.
+    """
+    planner = GoalPlanner("test_user")
+    
+    screen = {
+        "screen_type": ScreenType.HOME_FEED,
+        "available_actions": ["tap profile tab", "scroll down"],
+        "context": {}
+    }
+    
+    # NORMAL BEHAVIOR: HD Map routes us to OWN_PROFILE first
+    action_normal = planner.plan_next_step("open following list", screen)
+    assert action_normal == "tap profile tab", "HD Map sollte primär über OWN_PROFILE routen"
+    
+    # LOOP PREVENTION: 
+    # Simulate that "tap following list" failed repeatedly and is masked.
+    action_failures = {
+        "tap following list": 2, 
+    }
+    
+    action_avoided = planner.plan_next_step(
+        "open following list", 
+        screen, 
+        action_failures=action_failures
+    )
+    
+    # The planner must NO LONGER route to OWN_PROFILE because the exit edge is blocked.
+    # It should fall back to autonomous discovery (returning the goal itself)
+    assert action_avoided != "tap profile tab", "Planner ist in die Falle getappt und hat blind geroutet!"
+    assert action_avoided == "open following list", "Planner sollte auf Autonomous Discovery zurückfallen"
+