fix: localize admin UI and simplify employees navigation

tests/test_admin_data.py

@@ -4,12 +4,21 @@ from app.models import CrawlRun, Employee
 from app.services.admin_data import (
     employee_detail_payload,
     employee_display_payload,
+    format_admin_datetime,
     list_employees_page,
     run_payload,
     stats_payload,
 )
 
 
+def test_format_admin_datetime_handles_datetime_string_and_none():
+    value = datetime(2026, 4, 28, 17, 13, 34, tzinfo=timezone.utc)
+
+    assert format_admin_datetime(value) == "28.04.2026 20:13"
+    assert format_admin_datetime("2026-04-28T17:13:34.448605+00:00") == "28.04.2026 20:13"
+    assert format_admin_datetime(None) == "Не указано"
+
+
 def test_employee_display_payload_extracts_common_fields(db_session):
     employee = Employee(
         profile_key="staff:person",
@@ -32,9 +41,11 @@ def test_employee_display_payload_extracts_common_fields(db_session):
     payload = employee_display_payload(employee)
 
     assert payload["positions_text"] == "Professor"
+    assert payload["status_display"] == "Работает"
     assert payload["email_text"] == "person@hse.ru"
     assert payload["publications_count"] == 1
     assert payload["courses_count"] == 1
+    assert payload["first_seen_display"] != "Не указано"
 
 
 def test_employee_detail_payload_normalizes_human_readable_sections(db_session):
@@ -180,3 +191,4 @@ def test_run_payload_calculates_progress():
 
     assert payload["processed_count"] == 5
     assert payload["progress_percent"] == 50.0
+    assert payload["status_display"] == "Выполняется"