feat: SAC daily reports from DB aggregation (notif-32)

- Aggregate report.daily.ssh/rdp from 24h ingest; job and systemd timer

- notify_daily_report bypasses NOTIFY_MIN_SEVERITY; ingest routes agent reports

- HTML templates, env SAC_DAILY_REPORT_*, docs and tests (56 cases)

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

deploy/env.native.example

@@ -53,6 +53,13 @@ SAC_NOTIFY_COOLDOWN_ENABLED=true
 SAC_NOTIFY_EVENT_COOLDOWN_SEC=90
 SAC_NOTIFY_PROBLEM_COOLDOWN_SEC=300
 
+# Суточные отчёты из SAC (F-NOT-05; systemd sac-daily-report.timer)
+SAC_DAILY_REPORT_ENABLED=true
+SAC_DAILY_REPORT_HOUR=9
+SAC_DAILY_REPORT_TIMEZONE=Europe/Moscow
+SAC_DAILY_REPORT_SKIP_IF_AGENT_SENT=true
+SAC_DAILY_REPORT_REQUIRE_ACTIVITY=true
+
 # Статус хоста по agent.heartbeat
 SAC_HEARTBEAT_STALE_MINUTES=780