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/websocket.go

@@ -204,6 +204,15 @@ func handleMessage(conn *websocket.Conn, msg WSMessage, dataDir, nodeID string)
 			sendMessage(WSMessage{Action: "instance_error", InstanceID: msg.InstanceID, Error: err.Error()})
 			return
 		}
+		// Repair older WordPress instances: remove hardcoded WP_HOME/WP_SITEURL
+		// so the EduBox mu-plugin can compute the public URL from the Host header.
+		go func() {
+			// Give the container a moment to be ready before touching wp-config.php
+			time.Sleep(2 * time.Second)
+			if err := stripWordPressHardcodedURLs(dataDir, msg.InstanceID); err != nil {
+				log.Printf("stripWordPressHardcodedURLs error: %v", err)
+			}
+		}()
 		// Start Tailscale proxy so the server can reach localhost via Tailscale IP
 		tsProxiesMu.Lock()
 		if _, exists := tsProxies[msg.Port]; !exists {
@@ -238,6 +247,19 @@ func handleMessage(conn *websocket.Conn, msg WSMessage, dataDir, nodeID string)
 			_ = saveInstances(dataDir, inst)
 		}
 		notifyUI(map[string]interface{}{"action": "instances_updated"})
+	case "delete":
+		log.Printf("Delete instance %s", msg.InstanceID)
+		tsProxiesMu.Lock()
+		if inst, _ := loadInstances(dataDir); inst[msg.InstanceID] != nil {
+			if ln, exists := tsProxies[inst[msg.InstanceID].Port]; exists {
+				_ = ln.Close()
+				delete(tsProxies, inst[msg.InstanceID].Port)
+			}
+		}
+		tsProxiesMu.Unlock()
+		dockerComposeRm(dataDir, msg.InstanceID)
+		removeInstance(dataDir, msg.InstanceID)
+		notifyUI(map[string]interface{}{"action": "instances_updated"})
 	case "reset":
 		log.Printf("Reset instance %s", msg.InstanceID)
 		dockerComposeRm(dataDir, msg.InstanceID)
@@ -253,6 +275,15 @@ func handleMessage(conn *websocket.Conn, msg WSMessage, dataDir, nodeID string)
 			sendMessage(WSMessage{Action: "instance_error", InstanceID: msg.InstanceID, Error: err.Error()})
 			return
 		}
+		// Repair older WordPress instances: remove hardcoded WP_HOME/WP_SITEURL
+		// so the EduBox mu-plugin can compute the public URL from the Host header.
+		go func() {
+			// Give the container a moment to be ready before touching wp-config.php
+			time.Sleep(2 * time.Second)
+			if err := stripWordPressHardcodedURLs(dataDir, msg.InstanceID); err != nil {
+				log.Printf("stripWordPressHardcodedURLs error: %v", err)
+			}
+		}()
 		// Start Tailscale proxy so the server can reach localhost via Tailscale IP
 		tsProxiesMu.Lock()
 		if _, exists := tsProxies[msg.Port]; !exists {