chore: fixed imports and tests configuration

tests/test_memory.py

@@ -1,10 +1,8 @@
 """Tests for the Memory system."""
-
+import pytest
 from datetime import datetime
 
-import pytest
-
-from infrastructure.persistence import (
+from alfred.infrastructure.persistence import (
     EpisodicMemory,
     LongTermMemory,
     Memory,
@@ -13,7 +11,7 @@ from infrastructure.persistence import (
     has_memory,
     init_memory,
 )
-from infrastructure.persistence.context import _memory_ctx
+from alfred.infrastructure.persistence.context import _memory_ctx
 
 
 def is_iso_format(s: str) -> bool: