feat: Add error handling for turtle startup script and improve GPS retry logic

startup_turtle.lua

@@ -34,8 +34,21 @@ if response then
     print("Starting turtle program...")
     sleep(1)
     
-    -- Run the script
+    -- Run the script with error handling
+    local success, error = pcall(function()
         shell.run(SCRIPT_NAME)
+    end)
+    
+    if not success then
+        print("")
+        print("========================================")
+        print("  ERROR OCCURRED!")
+        print("========================================")
+        print(error)
+        print("")
+        print("Press any key to see error details...")
+        os.pullEvent("key")
+    end
 else
     print("✗ Download failed!")
     print("Please check:")

turtle.lua

@@ -965,13 +965,18 @@ print("Turtle " .. os.getComputerID() .. " is online!")
 parallel.waitForAny(
     function()
         -- GPS retry loop for turtles without initial position
-        while not state.position do
+        while true do
+            if not state.position then
                 sleep(10) -- Try every 10 seconds
                 print("Retrying GPS...")
                 if updatePosition() then
                     print("✅ GPS acquired! Position:", textutils.serialize(state.position))
                     broadcastStatus() -- Send updated position immediately
                 end
+            else
+                -- Once we have position, just sleep to keep this thread alive
+                sleep(30)
+            end
         end
     end,