fix(server): fetch filtered dashboard memories beyond default page (#5753)

tests/test_server_params.py

@@ -618,6 +618,31 @@ class TestGetMemories:
         # 3. Verify the core logic: the param was mapped to the filters dict!
         _, kwargs = mock_memory.get_all.call_args
         assert kwargs["filters"] == {"user_id": "test_routing_user"}
+        assert "top_k" not in kwargs
+
+    def test_get_memories_entity_filters_forward_top_k(self, client, mock_memory):
+        response = client.get("/memories?user_id=test_routing_user&top_k=1000")
+
+        assert response.status_code == 200
+
+        _, kwargs = mock_memory.get_all.call_args
+        assert kwargs["filters"] == {"user_id": "test_routing_user"}
+        assert kwargs["top_k"] == 1000
+
+    def test_get_memories_admin_top_k_zero_not_defaulted(self, client, mock_memory):
+        mock_memory.vector_store.list.return_value = []
+
+        response = client.get("/memories?top_k=0")
+
+        assert response.status_code == 200
+        _, kwargs = mock_memory.vector_store.list.call_args
+        assert kwargs["top_k"] == 0
+
+    def test_get_memories_rejects_top_k_above_limit(self, client, mock_memory):
+        response = client.get("/memories?user_id=test_routing_user&top_k=1001")
+
+        assert response.status_code == 422
+        mock_memory.get_all.assert_not_called()
 
 
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