feat(agent,server): v0.2.7 - mu-plugin WordPress robuste, réparation wp-config, proxy cookies/headers

- Agent: mu-plugin embarqué amélioré (HTTPS forcé, filtres URL, localhost:port)
- Agent: suppression des WP_HOME/WP_SITEURL hardcodés au démarrage des instances
- Server/proxy: envoi X-Forwarded-Port, réécriture headers/body élargie
- Server/proxy: sanitization des Set-Cookie (Secure, SameSite, Domain)
- Dashboard: version agent 0.2.7, action Supprimer complète
- Cleanup: binaires agent 0.2.3-0.2.6 remplacés par 0.2.7

agent/build.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-VERSION="0.2.3"
+VERSION="0.2.7"
 LDFLAGS="-X main.version=${VERSION}"
 
 echo "Building EduBox Agent v${VERSION}..."
@@ -23,4 +23,13 @@ echo "  edubox-agent-mac (macOS amd64)"
 cp edubox-agent-mac "edubox-agent-v${VERSION}-mac"
 echo "  edubox-agent-v${VERSION}-mac (macOS amd64)"
 
+# Copy versioned binaries to server/public so the dashboard can serve them
+SERVER_PUBLIC="../server/public"
+if [ -d "${SERVER_PUBLIC}" ]; then
+    cp "edubox-agent-v${VERSION}" "${SERVER_PUBLIC}/edubox-agent-v${VERSION}"
+    cp "edubox-agent-v${VERSION}-mac" "${SERVER_PUBLIC}/edubox-agent-v${VERSION}-mac"
+    cp "edubox-agent-v${VERSION}.exe" "${SERVER_PUBLIC}/edubox-agent-v${VERSION}.exe"
+    echo "  Copied versioned binaries to ${SERVER_PUBLIC}"
+fi
+
 echo "Done."