fix(gate): use unique cache busting file names again to break any potential loop

gate.lua

@@ -1,7 +1,7 @@
 local DEFAULT_SERVER_BASE = "http://ticket.fse-media.group"
 local DEFAULT_SERVER_PATH = "/api/tickets/check"
 local GATE_OPEN_SECONDS = 2
-local VERSION = "v1.5.21"
+local VERSION = "v1.5.22"
 local VERSION_CHECK_INTERVAL = 5
 
 local serverURL = nil
@@ -1465,7 +1465,7 @@ local function checkAndApplyUpdate()
   
   if not remoteTs or remoteTs <= 0 then return end
   
-  local attemptFile = ".last_update_ts_gate"
+  local attemptFile = ".last_update_ts_gate2"
   if fs.exists(attemptFile) then
     local f = fs.open(attemptFile, "r")
     local tried = tonumber(f and f.readAll() or "0") or 0
@@ -1495,6 +1495,7 @@ local function checkAndApplyUpdate()
         print("OTA Update Error: " .. tostring(res))
         term.setTextColor(colors.white)
       end
+      sleep(3)
     end
   else
     lastUpdateError = "loadfile failed: " .. tostring(err)
@@ -1503,6 +1504,7 @@ local function checkAndApplyUpdate()
       print("OTA Update Error: " .. tostring(err))
       term.setTextColor(colors.white)
     end
+    sleep(3)
   end
   
   isUpdating = false