feat: unify SSH and Windows daily report layout in SAC and UI

Agent-style report body for SAC aggregation; shared stats cards; RDP ban note in docs

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

backend/tests/test_daily_report.py

@@ -145,6 +145,44 @@ def test_generate_creates_report_and_notifies(db_session):
     assert ev.details.get("generated_by") == "sac"
 
 
+def test_generate_rdp_report_unified_format(db_session):
+    h = Host(
+        hostname="win-srv",
+        display_name="RDCB",
+        ipv4="10.0.0.5",
+        os_family="windows",
+        product="rdp-login-monitor",
+        last_seen_at=datetime.now(timezone.utc),
+    )
+    db_session.add(h)
+    db_session.flush()
+    now = datetime.now(timezone.utc)
+    db_session.add(
+        Event(
+            event_id=str(uuid.uuid4()),
+            host_id=h.id,
+            occurred_at=now,
+            category="auth",
+            type="rdp.login.success",
+            severity="info",
+            title="ok",
+            summary="",
+            details={"user": "admin"},
+            payload={},
+        )
+    )
+    db_session.commit()
+    cfg = _cfg()
+    with patch("app.services.daily_report.notify_daily_report"):
+        res = generate_daily_report_for_host(db_session, h, cfg)
+    assert res and res.created
+    ev = db_session.scalar(select(Event).where(Event.type == "report.daily.rdp"))
+    body = ev.details.get("report_body", "")
+    assert "ЕЖЕДНЕВНЫЙ ОТЧЕТ МОНИТОРИНГА WINDOWS" in body
+    assert "RDCB (10.0.0.5)" in body
+    assert "АКТИВНЫЕ ПОЛЬЗОВАТЕЛИ" in body
+
+
 def test_run_daily_reports_respects_hour(db_session):
     h = _ssh_host(db_session)
     db_session.commit()