feat: Implement wireless home position sync and set functionality for turtles

turtle.lua

@@ -65,30 +65,40 @@ local function updatePosition()
     return false
 end
 
--- Sync home position with server
+-- Sync home position with server (via wireless broadcast)
 local function syncHomeWithServer()
-    if not http then
+    -- Request home position from server via webbridge
-        print("HTTP not available, can't sync with server")
+    print("Requesting home position from server...")
-        return false
+    modem.transmit(CHANNEL_SEND, CHANNEL_RECEIVE, {
-    end
+        type = "request_home",
+        turtleID = os.getComputerID()
+    })
     
-    local url = "http://webbridge:3001/api/turtle/" .. os.getComputerID() .. "/home"
+    -- Wait for response (with timeout)
-    local response = http.get(url)
+    local timeout = os.startTimer(3)
-    
+    while true do
-    if response then
+        local event, side, channel, replyChannel, message = os.pullEvent()
-        local data = textutils.unserializeJSON(response.readAll())
-        response.close()
         
-        if data and data.homePosition then
+        if event == "timer" and side == timeout then
-            state.homePosition = data.homePosition
+            print("⚠️  Server sync timeout")
-            print("📍 Synced home from server:", textutils.serialize(data.homePosition))
+            return false
-            return true
+        elseif event == "modem_message" and channel == CHANNEL_RECEIVE then
+            if type(message) == "table" and message.type == "home_position" and message.turtleID == os.getComputerID() then
+                os.cancelTimer(timeout)
+                if message.homePosition then
+                    state.homePosition = message.homePosition
+                    print("📍 Synced home from server:", textutils.serialize(message.homePosition))
+                    return true
+                else
+                    print("No home position on server")
+                    return false
+                end
+            end
         end
     end
-    return false
 end
 
--- Set home position (server-authoritative)
+-- Set home position (server-authoritative via wireless)
 local function setHome()
     print("Setting home position...")
     if not updatePosition() then
@@ -96,33 +106,31 @@ local function setHome()
         return false
     end
     
-    -- Send to server
+    -- Send to server via wireless
-    if http then
+    modem.transmit(CHANNEL_SEND, CHANNEL_RECEIVE, {
-        local url = "http://webbridge:3001/api/turtle/" .. os.getComputerID() .. "/home"
+        type = "set_home",
-        local response = http.post(url, textutils.serializeJSON({
+        turtleID = os.getComputerID(),
-            position = state.position
+        position = state.position
-        }), {["Content-Type"] = "application/json"})
+    })
+    
+    -- Wait for confirmation
+    local timeout = os.startTimer(3)
+    while true do
+        local event, side, channel, replyChannel, message = os.pullEvent()
         
-        if response then
+        if event == "timer" and side == timeout then
-            local data = textutils.unserializeJSON(response.readAll())
+            print("⚠️  Server response timeout, using local home")
-            response.close()
+            state.homePosition = state.position
-            
+            return true
-            if data and data.success then
+        elseif event == "modem_message" and channel == CHANNEL_RECEIVE then
-                state.homePosition = data.homePosition
+            if type(message) == "table" and message.type == "home_set_confirm" and message.turtleID == os.getComputerID() then
+                os.cancelTimer(timeout)
+                state.homePosition = message.homePosition
                 print("✅ Home set at:", textutils.serialize(state.homePosition))
                 return true
             end
         end
     end
-    
-    -- Fallback to local storage if server unavailable
-    state.homePosition = {
-        x = state.position.x,
-        y = state.position.y,
-        z = state.position.z
-    }
-    print("⚠️  Home set locally (server unavailable)")
-    return true
 end
 
 -- Movement tracking

webbridge.lua

@@ -402,6 +402,75 @@ while true do
                         stats.errors = stats.errors + 1
                         addLog("  -> Server error", colors.red)
                     end
+                    
+                elseif message.type == "request_home" then
+                    -- Turtle requesting its home position from server
+                    local turtleID = message.turtleID
+                    addLog("Turtle #" .. turtleID .. " requesting home", colors.cyan)
+                    
+                    local success, result = pcall(function()
+                        local response = http.get(SERVER_URL .. "/api/turtle/" .. turtleID .. "/home")
+                        if response then
+                            local content = response.readAll()
+                            response.close()
+                            local data = textutils.unserializeJSON(content)
+                            return data
+                        end
+                        return nil
+                    end)
+                    
+                    if success and result then
+                        modem.transmit(CHANNEL_RECEIVE, CHANNEL_RECEIVE, {
+                            type = "home_position",
+                            turtleID = turtleID,
+                            homePosition = result.homePosition
+                        })
+                        addLog("  -> Sent home position", colors.lime)
+                    else
+                        modem.transmit(CHANNEL_RECEIVE, CHANNEL_RECEIVE, {
+                            type = "home_position",
+                            turtleID = turtleID,
+                            homePosition = nil
+                        })
+                        addLog("  -> No home on server", colors.yellow)
+                    end
+                    
+                elseif message.type == "set_home" then
+                    -- Turtle setting its home position
+                    local turtleID = message.turtleID
+                    local position = message.position
+                    addLog("Turtle #" .. turtleID .. " setting home", colors.cyan)
+                    
+                    local success, result = pcall(function()
+                        local response = http.post(
+                            SERVER_URL .. "/api/turtle/" .. turtleID .. "/home",
+                            textutils.serializeJSON({position = position}),
+                            {["Content-Type"] = "application/json"}
+                        )
+                        if response then
+                            local content = response.readAll()
+                            response.close()
+                            local data = textutils.unserializeJSON(content)
+                            return data
+                        end
+                        return nil
+                    end)
+                    
+                    if success and result and result.success then
+                        modem.transmit(CHANNEL_RECEIVE, CHANNEL_RECEIVE, {
+                            type = "home_set_confirm",
+                            turtleID = turtleID,
+                            homePosition = result.homePosition
+                        })
+                        addLog("  -> Home saved to server", colors.lime)
+                    else
+                        modem.transmit(CHANNEL_RECEIVE, CHANNEL_RECEIVE, {
+                            type = "home_set_confirm",
+                            turtleID = turtleID,
+                            homePosition = position
+                        })
+                        addLog("  -> Server error, local only", colors.red)
+                    end
                 end
             end
         end