refactor: enhance player position update to include label and timestamp for improved tracking

pocketcontrol.lua

@@ -98,10 +98,10 @@ local function updateMyPosition()
         modem.transmit(POCKET_CHANNEL, CHANNEL_RECEIVE, {
             type = "player_position",
             playerID = os.getComputerID(),
+            label = os.getComputerLabel() or ("Pocket #" .. os.getComputerID()),
             position = myPosition,
             timestamp = os.epoch("utc")
         })
-        addLog("GPS: " .. x .. "," .. y .. "," .. z, colors.lime)
         return true
     else
         addLog("GPS: Failed to locate", colors.red)
@@ -556,7 +556,7 @@ parallel.waitForAny(
     function()
         -- GPS update loop
         while true do
-            sleep(5)
+            sleep(2)
             updateMyPosition()
         end
     end,