Add quiet hours, health checks, and logging

services/ssl_alerts.py

@@ -46,10 +46,13 @@ async def monitor_ssl(cfg: dict[str, Any], notify, bot, chat_id: int):
                     key = f"{name}:{threshold}"
                     last_time = last_sent.get(key, 0)
                     if time.time() - last_time >= cooldown:
+                        level = "critical" if days_left <= 1 else "warn"
                         await notify(
                             bot,
                             chat_id,
                             f"⚠️ SSL `{name}` expires in {days_left}d (threshold {threshold}d)",
+                            level=level,
+                            key=f"ssl:{name}:{threshold}",
                         )
                         last_sent[key] = time.time()
                     break