refactor: enhance message handling for dual-mode channel compatibility using Channels.match()

webbridge.lua

@@ -491,11 +491,13 @@ parallel.waitForAny(
             local event, side, channel, replyChannel, message, distance = os.pullEvent("modem_message")
             stats.messagesReceived = stats.messagesReceived + 1
 
-            if channel == STATUS_CHANNEL or channel == CHANNEL_RECEIVE then
+            -- Uses Channels.match() for dual-mode safety: accepts messages on
+            -- both legacy (101/102/103) and target (4211/4212/4213) during migration.
+            if (Channels.match('remoteturtle.status', channel) or Channels.match('remoteturtle.response', channel)) then
                 if type(message) == "table" then
                     forwardToServer(message)
                 end
-            elseif channel == POCKET_CHANNEL then
+            elseif Channels.match('remoteturtle.pocket', channel) then
                 if type(message) == "table" then
                     handlePocketMessage(message)
                 end