feat(normalizer): add SPOUSE_OF resolution to persons_tree

tools/import-normalizer/persons_tree.py

@@ -207,3 +207,38 @@ def _deduplicate(persons: list[dict]) -> tuple[list[dict], list[str]]:
         result.append(p)
 
     return result, skipped
+
+
+def _resolve_spouses(
+    persons: list[dict], index: dict[str, list[str]]
+) -> tuple[list[dict], list[dict]]:
+    """Emit SPOUSE_OF edges from each person's _spouse_raw field."""
+    relationships: list[dict] = []
+    unresolved: list[dict] = []
+    emitted: set[frozenset] = set()
+
+    for p in persons:
+        raw = (p.get("_spouse_raw") or "").strip()
+        if not raw:
+            continue
+        row_id = p["rowId"]
+        matched_id, reason = _resolve_one(raw, index)
+        if matched_id:
+            edge = frozenset([row_id, matched_id])
+            if edge not in emitted:
+                emitted.add(edge)
+                relationships.append({
+                    "personId": row_id,
+                    "relatedPersonId": matched_id,
+                    "type": "SPOUSE_OF",
+                    "source": "verheiratet_mit",
+                })
+        else:
+            unresolved.append({
+                "rowId": row_id,
+                "field": "verheiratet_mit",
+                "raw": raw,
+                "reason": reason,
+            })
+
+    return relationships, unresolved