feat(secubox-core): Add SecuBox banner replacing OpenWrt default

- Custom ASCII art banner with SecuBox branding
- Shows helpful info: CLI help, dashboard URL
- Installed to /etc/banner on device
- Added to conffiles for upgrade preservation

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude/settings.local.json

@@ -527,7 +527,13 @@
       "Bash(GIT_SSH_COMMAND=\"ssh -o StrictHostKeyChecking=no -o ConnectTimeout=10\" git push:*)",
       "Bash(GIT_SSH_COMMAND=\"ssh -o StrictHostKeyChecking=no -p 2222\" git push:*)",
       "Bash(git remote add:*)",
-      "Bash(git branch:*)"
+      "Bash(git branch:*)",
+      "Bash(nmcli con show:*)",
+      "Bash(ip:*)",
+      "Bash(wg show:*)",
+      "Bash(sudo ip addr:*)",
+      "Bash(ethtool:*)",
+      "Bash(arp-scan:*)"
     ]
   }
 }

package/secubox/secubox-core/Makefile

@@ -6,7 +6,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=secubox-core
 PKG_VERSION:=0.10.0
-PKG_RELEASE:=16
+PKG_RELEASE:=17
 PKG_ARCH:=all
 PKG_LICENSE:=GPL-2.0
 PKG_MAINTAINER:=SecuBox Team
@@ -44,12 +44,17 @@ define Package/secubox-core/conffiles
 /etc/secubox/profiles/
 /etc/secubox/templates/
 /etc/secubox/macros/
+/etc/banner
 endef
 
 define Build/Compile
 endef
 
 define Package/secubox-core/install
+	# Install SecuBox banner (replaces OpenWrt default)
+	$(INSTALL_DIR) $(1)/etc
+	$(INSTALL_DATA) ./root/etc/banner $(1)/etc/
+
 	$(INSTALL_DIR) $(1)/etc/config
 	$(INSTALL_CONF) ./root/etc/config/secubox $(1)/etc/config/
 	$(INSTALL_CONF) ./root/etc/config/secubox-appstore $(1)/etc/config/

package/secubox/secubox-core/root/etc/banner

@@ -0,0 +1,14 @@
+
+   _____                 ____
+  / ___/___  _______  __/ __ )____  _  __
+  \__ \/ _ \/ ___/ / / / __  / __ \| |/_/
+ ___/ /  __/ /__/ /_/ / /_/ / /_/ />  <
+/____/\___/\___/\__,_/_____/\____/_/|_|
+
+ SecuBox - Secure Network Gateway
+ --------------------------------
+ Powered by OpenWrt | CyberMind.fr
+
+ Type 'secubox help' for available commands
+ Dashboard: https://admin.secubox.local/
+