fix: Enhance message processing with detailed logging for incoming commands

turtle.lua

@@ -534,8 +534,18 @@ local commands = {
 
 -- Process incoming messages
 local function processMessage(message)
+    print("Received message on modem")
+    print("  Type: " .. type(message))
+    
+    if type(message) == "table" then
+        print("  Has command: " .. tostring(message.command ~= nil))
+        if message.command then
+            print("  Command: " .. message.command)
+        end
+    end
+    
     if type(message) == "table" and message.command then
-        print("Command: " .. message.command)
+        print("Processing command: " .. message.command)
         
         local handler = commands[message.command]
         if handler then
@@ -548,6 +558,8 @@ local function processMessage(message)
             })
             
             broadcastStatus()
+        else
+            print("  No handler found for command: " .. message.command)
         end
     end
 end
@@ -595,7 +607,10 @@ parallel.waitForAny(
             local event, side, channel, replyChannel, message = os.pullEvent()
             
             if event == "modem_message" then
-                processMessage(message)
+                print("Modem message on channel " .. channel)
+                if channel == CHANNEL_RECEIVE then
+                    processMessage(message)
+                end
             end
         end
     end,