fix: Refactor command polling and dashboard refresh logic in main loop

webbridge.lua

@@ -282,12 +282,46 @@ end
 
 addLog("Listening on channels " .. STATUS_CHANNEL .. " and " .. CHANNEL_RECEIVE, colors.lightBlue)
 
+-- Start polling timer
+local POLL_INTERVAL = 1 -- Poll every 1 second
+os.startTimer(POLL_INTERVAL)
+
 -- Main loop
 local lastRefresh = os.epoch("utc")
 while true do
     local event, side, channel, replyChannel, message, distance = os.pullEvent()
     
-    if event == "modem_message" then
+    if event == "timer" then
+        -- Poll for commands for all known turtles
+        for turtleID, turtleData in pairs(turtles) do
+            local commands = pollCommands(turtleID)
+            
+            -- Forward commands back to turtle
+            for _, cmd in ipairs(commands) do
+                stats.commandsSent = stats.commandsSent + 1
+                addLog("CMD: " .. cmd.command .. " -> Turtle #" .. turtleID, colors.yellow)
+                
+                modem.transmit(COMMAND_CHANNEL, CHANNEL_RECEIVE, {
+                    command = cmd.command,
+                    param = cmd.param,
+                    target = turtleID
+                })
+            end
+        end
+        
+        -- Restart timer
+        os.startTimer(POLL_INTERVAL)
+        
+        -- Refresh display if we have a monitor
+        if hasMonitor then
+            local now = os.epoch("utc")
+            if now - lastRefresh > 2000 then
+                drawDashboard()
+                lastRefresh = now
+            end
+        end
+        
+    elseif event == "modem_message" then
         -- Only process messages on our channels
         if channel == STATUS_CHANNEL or channel == CHANNEL_RECEIVE then
             stats.messagesReceived = stats.messagesReceived + 1
@@ -307,21 +341,6 @@ while true do
                     if success then
                         stats.serverUpdates = stats.serverUpdates + 1
                         addLog("  -> Forwarded to server", colors.lime)
-                        
-                        -- Check for commands from server
-                        local commands = pollCommands(turtleID)
-                        
-                        -- Forward commands back to turtle
-                        for _, cmd in ipairs(commands) do
-                            stats.commandsSent = stats.commandsSent + 1
-                            addLog("  -> CMD: " .. cmd.command .. " to Turtle #" .. turtleID, colors.yellow)
-                            
-                            modem.transmit(COMMAND_CHANNEL, CHANNEL_RECEIVE, {
-                                command = cmd.command,
-                                param = cmd.param,
-                                target = turtleID
-                            })
-                        end
                     else
                         stats.errors = stats.errors + 1
                         addLog("  -> Server error", colors.red)
@@ -330,13 +349,4 @@ while true do
             end
         end
     end
-    
-    -- Refresh display every 2 seconds if we have a monitor
-    if hasMonitor then
-        local now = os.epoch("utc")
-        if now - lastRefresh > 2000 then
-            drawDashboard()
-            lastRefresh = now
-        end
-    end
 end