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

ticketmachine.lua

@@ -1,6 +1,6 @@
 local CURRENT_STATION_CODE = 'Ticket-Machine'
 local API_BASE = 'http://ticket.fse-media.group/api'
-local VERSION = 'v1.5.21'
+local VERSION = 'v1.5.22'
 local UPDATE_CHECK_INTERVAL = 5
 
 -- ###########################
@@ -695,7 +695,7 @@ local function checkAndApplyUpdate()
   
   if not remoteTs or remoteTs <= 0 then return end
   
-  local attemptFile = ".last_update_ts"
+  local attemptFile = ".last_update_ts2"
   if fs.exists(attemptFile) then
     local f = fs.open(attemptFile, "r")
     local tried = tonumber(f and f.readAll() or "0") or 0
@@ -722,6 +722,7 @@ local function checkAndApplyUpdate()
         print("OTA Update Error: " .. tostring(res))
         term.setTextColor(colors.white)
       end
+      sleep(3)
     end
   else
     lastUpdateError = "loadfile failed: " .. tostring(err)
@@ -730,6 +731,7 @@ local function checkAndApplyUpdate()
       print("OTA Update Error: " .. tostring(err))
       term.setTextColor(colors.white)
     end
+    sleep(3)
   end
   
   isUpdating = false