feat(oa): add person select control with contains conditions and print

Register FormCreate person field (dept-aligned UI), enable contains-only
workflow conditions, and format person values in print/related summary.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/services/oa_related_approval.py

@@ -104,7 +104,7 @@ def _format_value(typ: str, raw: Any) -> Tuple[str, bool]:
         else:
             n = 0
         return f"已关联 {n} 条", False
-    if typ == "dept":
+    if (typ == "dept" or typ == "person"):
         if isinstance(raw, list):
             names = []
             for x in raw:

backend/tests/test_oa_related_approval.py

@@ -61,6 +61,30 @@ class TestFlatten(unittest.TestCase):
         self.assertEqual(by_label["部门"], "中科兴皖 / 研发")
         self.assertEqual(by_label["多部门"], "中科兴皖 / 研发、中科兴皖 / 质量")
 
+    def test_person_formats_names(self):
+        schema = {
+            "rule": [
+                {"type": "person", "field": "p1", "title": "协同人"},
+                {
+                    "type": "person",
+                    "field": "p2",
+                    "title": "多人",
+                    "props": {"multiple": True},
+                },
+            ]
+        }
+        data = {
+            "p1": {"id": "u1", "name": "张三"},
+            "p2": [
+                {"id": "u1", "name": "张三"},
+                {"id": "u2", "name": "李四"},
+            ],
+        }
+        fields = flatten_form_fields_for_summary(schema, data)
+        by_label = {f["label"]: f["value"] for f in fields}
+        self.assertEqual(by_label["协同人"], "张三")
+        self.assertEqual(by_label["多人"], "张三、李四")
+
     def test_related_approval_field_includes_related_ids(self):
         schema = {
             "rule": [