App logs kept forever: nightly gzip on 249 (LOG_FILE_ROTATION=external), hourly pull to 247 via a forced-command key, health warns if the archive stops

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ops/applogs/zareian-applog-archive.timer

@@ -0,0 +1,10 @@
+# روی ۲۴۹. ساعتِ سرور تهران است.
+[Unit]
+Description=Zareian MathApp: nightly app.log archive
+
+[Timer]
+OnCalendar=*-*-* 00:05:00
+Persistent=true
+
+[Install]
+WantedBy=timers.target