Skip invalid memory extractor rows (#1535)

tests/test_memory_extractor_rows.py

@@ -0,0 +1,25 @@
+from services.memory import memory_extractor
+
+
+def test_fingerprint_entries_skips_invalid_rows():
+    value = memory_extractor._fingerprint_entries([
+        {"id": "1", "text": "User likes small PRs.", "category": "preference"},
+        "bad-row",
+        None,
+    ])
+
+    expected = memory_extractor._fingerprint_entries([
+        {"id": "1", "text": "User likes small PRs.", "category": "preference"},
+    ])
+
+    assert value == expected
+
+
+def test_duplicate_check_skips_invalid_rows():
+    existing = [
+        "bad-row",
+        {"text": "User likes small pull requests."},
+        None,
+    ]
+
+    assert memory_extractor._is_text_duplicate("User likes small pull requests.", existing)