feat(normalizer): add SPOUSE_OF resolution to persons_tree

tools/import-normalizer/tests/test_persons_tree.py

@@ -273,3 +273,48 @@ def test_deduplicate_both_none_birth_year_kept():
     result, skipped = persons_tree._deduplicate(persons)
     assert [p["rowId"] for p in result] == ["row_A"]
     assert len(skipped) == 1
+
+
+def _make_persons(*args):
+    """Helper: args are (rowId, firstName, lastName, maidenName, spouse_raw) tuples."""
+    return [
+        {"rowId": a[0], "firstName": a[1], "lastName": a[2], "maidenName": a[3],
+         "_spouse_raw": a[4], "_bemerkung_raw": None,
+         "birthYear": None, "deathYear": None, "birthPlace": None, "deathPlace": None,
+         "generation": None, "familyMember": True, "alias": None, "notes": None}
+        for a in args
+    ]
+
+
+def test_resolve_spouses_success():
+    persons = _make_persons(
+        ("row_002", "Elsgard", "Allemeyer", "Wöhler", "Allemeyer Werner"),
+        ("row_003", "Werner", "Allemeyer", None, "Elsgard Wöhler"),
+    )
+    idx = persons_tree._build_index(persons)
+    rels, unres = persons_tree._resolve_spouses(persons, idx)
+    assert len(rels) == 1
+    assert rels[0]["type"] == "SPOUSE_OF"
+    assert set([rels[0]["personId"], rels[0]["relatedPersonId"]]) == {"row_002", "row_003"}
+    assert unres == []
+
+
+def test_resolve_spouses_not_found():
+    persons = _make_persons(
+        ("row_007", "Charlotte", "Blomquist", "Ruge", '"Tante Lolly"'),
+    )
+    idx = persons_tree._build_index(persons)
+    rels, unres = persons_tree._resolve_spouses(persons, idx)
+    assert rels == []
+    assert len(unres) == 1
+    assert unres[0]["rowId"] == "row_007"
+    assert unres[0]["reason"] == "not_found"
+
+
+def test_resolve_spouses_empty_spouse_field():
+    persons = _make_persons(
+        ("row_004", "Jürgen", "Allemeyer", None, None),
+    )
+    idx = persons_tree._build_index(persons)
+    rels, unres = persons_tree._resolve_spouses(persons, idx)
+    assert rels == [] and unres == []