Add reboot listener to handle remote reboot commands

startup/client.lua

@@ -69,7 +69,29 @@ print("")
 print("Starting inventoryClient + dropperController...")
 sleep(1)
 
+-- Reboot listener: reboots this computer on remote command
+local SYSTEM_CHANNEL = 4205
+local ROLE = "client"
+
+local function rebootListener()
+    local m = peripheral.find("modem")
+    if not m then return end
+    m.open(SYSTEM_CHANNEL)
+    while true do
+        local _, _, channel, _, message = os.pullEvent("modem_message")
+        if channel == SYSTEM_CHANNEL and type(message) == "table" and message.type == "reboot" then
+            local target = message.target or "all"
+            if target == "all" or target == ROLE or target == tostring(os.getComputerID()) then
+                print("[SYSTEM] Reboot command received. Rebooting...")
+                sleep(0.5)
+                os.reboot()
+            end
+        end
+    end
+end
+
 parallel.waitForAny(
     function() shell.run("inventoryClient.lua") end,
-    function() shell.run("dropperController.lua") end
+    function() shell.run("dropperController.lua") end,
+    rebootListener
 )