feat: Enhance debugging output; log open channels and modem messages in the main event loop

turtle.lua

@@ -913,7 +913,13 @@ local function processMessage(message)
     
     if message.command then
         print("  Command: " .. message.command)
-        print("  Available handlers: " .. textutils.serialize(table.keys or function(t) local k={} for n in pairs(t) do table.insert(k,n) end return k end)(commands))
+        -- Don't try to serialize the commands table - it contains functions!
+        -- Just list the command names
+        local availableCommands = {}
+        for cmdName, _ in pairs(commands) do
+            table.insert(availableCommands, cmdName)
+        end
+        print("  Available handlers: " .. table.concat(availableCommands, ", "))
         
         local handler = commands[message.command]
         if handler then

webbridge.lua

@@ -296,6 +296,14 @@ end
 
 addLog("Listening on channels " .. STATUS_CHANNEL .. ", " .. CHANNEL_RECEIVE .. ", " .. POCKET_CHANNEL, colors.lightBlue)
 
+-- Debug: Print what channels are actually open
+print("Opened channels:")
+for i = 0, 65535 do
+    if modem.isOpen(i) then
+        print("  Channel " .. i .. " is OPEN")
+    end
+end
+
 -- Start polling timer
 local POLL_INTERVAL = 2 -- Poll every 2 seconds (reduced frequency for better reliability)
 os.startTimer(POLL_INTERVAL)
@@ -305,9 +313,18 @@ local recentCommandSends = {}
 
 -- Main loop
 local lastRefresh = os.epoch("utc")
+print("🎧 Starting main event loop...")
 while true do
     local event, side, channel, replyChannel, message, distance = os.pullEvent()
     
+    -- Log ALL modem messages for debugging
+    if event == "modem_message" then
+        print("🔔 MODEM MESSAGE RECEIVED!")
+        print("   Event: " .. event)
+        print("   Channel: " .. channel)
+        print("   Expected channels: " .. STATUS_CHANNEL .. " (status), " .. CHANNEL_RECEIVE .. " (receive), " .. POCKET_CHANNEL .. " (pocket)")
+    end
+    
     if event == "timer" then
         -- Poll for commands for all known turtles
         for turtleID, turtleData in pairs(turtles) do