Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

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

deployment/fail2ban/jail.local

@@ -0,0 +1,29 @@
+# Fail2ban configuration for Explorer platform
+# Place in: /etc/fail2ban/jail.d/explorer.conf
+
+[nginx-limit-req]
+enabled = true
+port = http,https
+logpath = /var/log/nginx/explorer-error.log
+maxretry = 10
+findtime = 600
+bantime = 3600
+action = %(action_)s
+
+[nginx-botsearch]
+enabled = true
+port = http,https
+logpath = /var/log/nginx/explorer-access.log
+maxretry = 2
+findtime = 600
+bantime = 86400
+action = %(action_)s
+
+[sshd]
+enabled = true
+port = ssh
+logpath = %(sshd_log)s
+maxretry = 5
+findtime = 600
+bantime = 3600
+

deployment/fail2ban/nginx.conf

@@ -0,0 +1,7 @@
+# Fail2ban filter for Nginx rate limiting
+# Place in: /etc/fail2ban/filter.d/nginx-limit-req.conf
+
+[Definition]
+failregex = ^.*limiting requests, excess:.*by zone.*client: <HOST>.*$
+ignoreregex =
+