feat: Enhance device registration to include name and active slot, supporting remote configuration updates and shutdown.

firmware/simulator.py

@@ -33,26 +33,45 @@ class HeadUnit:
             "serial_number": self.serial_number,
             "mode": self.mode,
             "active_slot": self.active_slot,
-            "status": self.status
+            "status": self.status,
+            "name": self.config.get("name", "Unnamed Device")
         }
         with open(self.config_path, 'w') as f:
             json.dump(self.config, f, indent=4)
 
     def register(self):
-        print(f"[*] Registering device {self.serial_number} ({self.mac_address})...")
+        print(f"[*] Synchronising with mesh orchestration... ({self.serial_number})")
         try:
             resp = requests.post(f"{self.server_url}/api/devices/register", json={
                 "serialNumber": self.serial_number,
-                "macAddress": self.mac_address
+                "macAddress": self.mac_address,
+                "activeSlot": self.active_slot,
+                "name": self.config.get("name", "Unnamed Device")
             })
             if resp.status_code == 200:
                 data = resp.json()
                 self.status = data.get("status")
+                
+                # Adopt remote configuration
+                remote_slot = data.get("activeSlot")
+                if remote_slot and remote_slot != self.active_slot:
+                    print(f"[!] Remote slot override: Switching {self.active_slot} -> {remote_slot}")
+                    self.active_slot = remote_slot
+                
+                remote_name = data.get("name")
+                if remote_name:
+                    self.config["name"] = remote_name
+                
                 self.save_config()
-                print(f"[+] Registration successful. Status: {self.status}")
+                print(f"[+] Sync successful. Slot: {self.active_slot} | Status: {self.status}")
+                
+                if self.status == "OFFLINE":
+                    print("[!] Remote instruction: System decommissioned. Shutting down...")
+                    return "SHUTDOWN"
+                
                 return True
             else:
-                print(f"[-] Registration failed: {resp.text}")
+                print(f"[-] Synchronisation failed: {resp.text}")
         except Exception as e:
             print(f"[-] Connection error: {e}")
         return False
@@ -145,10 +164,17 @@ if __name__ == "__main__":
             print("\n[*] Entering automated telemetry loop. Press Ctrl+C to return to menu.")
             try:
                 while True:
-                    hu.register()
+                    result = hu.register()
+                    if result == "SHUTDOWN":
+                        print("[!] System shutdown confirmed. Exiting loop.")
+                        break
+                    
                     if hu.status == "ENROLLED":
                         hu.report_test(generate_mock_hdmi_test())
                     time.sleep(5)
+                
+                if hu.status == "OFFLINE":
+                    break
             except KeyboardInterrupt:
                 print("\n[!] Loop interrupted by user.")
         elif choice == "0":