Add weekly report, multi-admin, docker health cmd, backup tail, openwrt filters

CONFIG.en.md

@@ -6,6 +6,7 @@ This project uses `config.yaml`. Start from `config.example.yaml`.
 
 - `token` (string, required): Telegram bot token.
 - `admin_id` (int, required): Telegram user id with admin access.
+- `admin_ids` (list<int>): Optional list of admins (first is primary for alerts).
 
 ## paths
 
@@ -70,6 +71,12 @@ This project uses `config.yaml`. Start from `config.example.yaml`.
 
 - `dry_run` (bool): If `true`, dangerous actions (upgrade/reboot/backup) are skipped.
 
+## reports
+
+- `weekly.enabled` (bool): Enable weekly report.
+- `weekly.day` (string): Weekday `Mon`..`Sun` (default `Sun`).
+- `weekly.time` (string): Local time `HH:MM` (default `08:00`).
+
 ## external_checks
 
 - `enabled` (bool): Enable background checks.