refactor(station_broadcast): 清理冗余代码与注释，移除无用文件并更新gitignore

- 清理station_broadcast.lua中的冗余注释、废弃代码块，移除无用的节分隔注释
- 删除不再使用的austream.lua文件
- 更新.gitignore，新增临时文件与转储文件的忽略规则

.gitignore

@@ -6,4 +6,9 @@ CloudServer/tmp/
 CloudServer/server-data.json
 Audio/general/
 Audio/music/
-Audio/station/
+Audio/station/
+tmp_vercel_proxy/
+nbt_dump.txt
+test.lua
+temp-broadcast/
+debug-upcoming-data-missing.md

austream.lua

@@ -1,255 +0,0 @@
-
-local aukit = require "aukit"
-
-local speakers = {peripheral.find("speaker")}
-if #speakers == 0 then error("No speaker attached") end
-if #speakers == 2 and peripheral.getName(speakers[1]) == "right" and peripheral.getName(speakers[2]) == "left" then speakers = {speakers[2], speakers[1]} end
-
-local path = ...
-if not path then error("Usage: austream <file/URL> [arguments for PCM/DFPWM]") end
-local params = {...}
-table.remove(params, 1) -- Remove path
-local v = {}
-if #params > 0 then
-    -- Try to parse as Lua table string first (original behavior)
-    local paramStr = table.concat(params, " ")
-    -- Remove outer braces if they exist to match original austream format
-    paramStr = paramStr:gsub("^%s*{%s*", ""):gsub("%s*}%s*$", "")
-    
-    local fn = load("return {" .. paramStr .. "}", "=unserialize", "t", setmetatable({}, {__index = function(_, idx) return idx end}))
-    if fn then
-        local ok, parsed = pcall(fn)
-        if ok and type(parsed) == "table" then
-            for k, val in pairs(parsed) do v[k] = val end
-        end
-    end
-    
-    -- If that fails, try manual string matching
-    if not next(v) then
-        local matchStr = table.concat(params, ", ")
-        if matchStr:match("type%s*=%s*['\"]([^'\"]+)['\"]") then 
-            v.type = matchStr:match("type%s*=%s*['\"]([^'\"]+)['\"]") 
-        end
-        if matchStr:match("volume%s*=%s*([%d%.]+)") then v.volume = tonumber(matchStr:match("volume%s*=%s*([%d%.]+)")) end
-        if matchStr:match("streamData%s*=%s*true") then v.streamData = true end
-        if matchStr:match("silent%s*=%s*true") then v.silent = true end
-    end
-end
-if v.volume == nil then v.volume = 3 end
-if type(v.volume) == "number" then
-    if v.volume < 0 then v.volume = 0 end
-    if v.volume > 3 then v.volume = 3 end
-end
-local mono = v.mono or #speakers == 1
-aukit.defaultInterpolation = v.interpolation or aukit.defaultInterpolation
-local data
-if path:match("^https?://") then
-    local handle, err = http.get(path, nil, true)
-    if not handle then error("Could not connect to " .. path .. ": " .. err) end
-    local code = handle.getResponseCode()
-    if code ~= 200 then handle.close() error("Could not connect to " .. path .. ": HTTP " .. code) end
-    if v.streamData then
-        local closed = false
-        function data()
-            if closed then return nil end
-            local d = handle.read(48000)
-            if not d then handle.close() closed = true return nil end
-            return d
-        end
-    else
-        data = handle.readAll()
-        handle.close()
-    end
-elseif path:match("^wss?://") then
-        local ws, err = http.websocket(path)
-        if not ws then error("Failed to connect to websocket: " .. tostring(err)) end
-        
-        -- Buffer completely locally to avoid any network stutter
-     local fullBuffer = ""
-     local isDone = false
-     
-     local function cleanup()
-          if not isDone then
-              isDone = true
-              if ws then ws.close() end
-          end
-      end
-      
-      -- Initial wait for the first data chunk from the server (which sends a 1s silence chunk on connect)
-      local startWait = os.startTimer(1.0)
-      while true do
-          local event, p1, p2 = os.pullEvent()
-          if event == "websocket_message" and p1 == path then
-              if type(p2) == "string" then fullBuffer = fullBuffer .. p2 end
-              -- Once we get the first message, we can break and start playing
-              break
-          elseif event == "websocket_closed" and p1 == path then
-              cleanup()
-              break
-          elseif event == "timer" and p1 == startWait then
-              break
-          end
-      end
- 
-      -- Since WebSocket connection needs to run alongside aukit stream reading,
-       -- we will just use a non-blocking read approach in the data function itself.
-       
-       function data(n)
-           n = n or 6000
-           
-           if isDone then
-               if #fullBuffer == 0 then return nil end
-           else
-               -- First, read any available messages without blocking
-               -- ws.receive(0) returns immediately. If nil, no message is ready.
-               while true do
-                   local msg = ws.receive(0)
-                   if msg == nil then break end
-                   if type(msg) == "string" then
-                       fullBuffer = fullBuffer .. msg
-                   end
-               end
-               
-               -- If we still don't have enough data, wait for more
-               -- but only if we know more might be coming (not isDone)
-                if #fullBuffer < n then
-                    -- We only wait briefly so we don't block the audio thread too long
-                    -- If the server isn't sending data, it means silence or end of stream
-                    local timeout = os.startTimer(0.1) -- shorter timeout to keep pulling events
-                    while #fullBuffer < n do
-                        local event, p1, p2 = os.pullEvent()
-                        if event == "websocket_message" and p1 == path then
-                             if type(p2) == "string" then fullBuffer = fullBuffer .. p2 end
-                        elseif event == "websocket_closed" and p1 == path then
-                            cleanup()
-                            break
-                        elseif event == "timer" and p1 == timeout then
-                            -- We hit timeout, we must return whatever we have to keep playing
-                            break
-                        end
-                    end
-                end
-           end
-                
-           if #fullBuffer == 0 and isDone then return nil end
-           -- Return DFPWM silence (0xAA) if buffer is empty but stream is alive
-           -- This keeps the stream alive without crashing or making noise
-           if #fullBuffer == 0 then return string.rep("\xAA", n) end
-           
-           local ret
-           if #fullBuffer >= n then
-               ret = fullBuffer:sub(1, n)
-               fullBuffer = fullBuffer:sub(n + 1)
-           else
-               ret = fullBuffer
-               -- Pad with silence if we don't have enough data to fulfill the request
-               ret = ret .. string.rep("\xAA", n - #ret)
-               fullBuffer = ""
-           end
-           return ret
-       end
-         -- Note: aukit.stream handles the reading internally
-          -- We can use a table with a read function for custom streaming
-          local obj = {
-            read = function(n) 
-               local d = data(n)
-               if not d and isDone then cleanup() end
-               return d
-            end,
-            close = cleanup
-        }
-         return obj
-elseif path:match("^rednet://%d+") or path:match("^rednet%+%l+://%d+") then
-    peripheral.find("modem", rednet.open)
-    local proto, id, name = path:match("^rednet%+?(%l*)://(%d+)(/?.*)$")
-    id = tonumber(id)
-    if proto == "" then proto = nil end
-    if path ~= "" and id >= 0 then rednet.send(id, name, proto) end
-    function data()
-        local i, msg
-        repeat i, msg = rednet.receive(proto) until id == -1 or i == id
-        return msg
-    end
-else
-    path = shell.resolve(...)
-    local file, err = fs.open(path, "rb")
-    if not file then error("Could not open " .. path .. ": " .. err) end
-    if v.streamData then
-        local closed = false
-        function data()
-            if closed then return nil end
-            local d = file.read(48000)
-            if not d then file.close() closed = true return nil end
-            return d
-        end
-    else
-        data = file.readAll()
-        file.close()
-    end
-end
-
-
-local iter, length
-if type(v.type) == "string" then v.type = v.type:lower() end
-
-    local isDfpwm = v.type == "dfpwm" or path:lower():match("%.dfpwm$") or path:match("^wss?://")
-    if isDfpwm then 
-        if type(data) == "table" and data.read then
-            iter, length = aukit.stream.dfpwm(data, v.sampleRate, v.channels, mono)
-        else
-            iter, length = aukit.stream.dfpwm(data, v.sampleRate, v.channels, mono)
-        end
-    elseif v.type == "mdfpwm" or path:lower():match("%.mdfpwm$") then iter, length = aukit.stream.mdfpwm(data, mono)
-elseif v.type == "wav" or path:lower():match("%.wav$") then iter, length = aukit.stream.wav(data, mono, v.ignoreHeader)
-elseif v.type == "aiff" or path:lower():match("%.aiff?$") then iter, length = aukit.stream.aiff(data, mono, v.ignoreHeader)
-elseif v.type == "au" or path:lower():match("%.au$") then iter, length = aukit.stream.au(data, mono, v.ignoreHeader)
-elseif v.type == "flac" or path:lower():match("%.flac$") then iter, length = aukit.stream.flac(data, mono)
-elseif v.type == "qoa" or path:lower():match("%.qoa$") then iter, length = aukit.stream.qoa(data, mono)
-elseif v.type == "pcm" or path:lower():match("%.pcm$") or path:lower():match("%.raw$") or path:match("^rednet%+?%l*://") then iter, length = aukit.stream.pcm(data, v.bitDepth, v.dataType, v.channels, v.sampleRate, v.bigEndian, mono)
-else error("Unknown file type. Make sure to add the right file extension to the path/URL.") end
-if length == nil then length = 0 end
-
-if not v.silent then
-    print("Streaming...")
-    local w = term.getSize()
-    local y = select(2, term.getCursorPos())
-    local fg, bg = colors.toBlit(term.getTextColor()), colors.toBlit(term.getBackgroundColor())
-    term.write(("00:00 %s %02d:%02d"):format(("\127"):rep(w - 12), math.floor(length / 60), length % 60))
-    aukit.play(iter, function(pos)
-        pos = math.min(pos, 5999)
-        local p = pos / length
-        term.setCursorPos(1, y)
-        
-        -- 计算基本时间字符串
-        local timeStr = ("%02d:%02d"):format(math.floor(pos / 60), pos % 60)
-        local endTimeStr = ("%02d:%02d"):format(math.floor(length / 60), length % 60)
-        
-        if p > 1 then
-            -- 确保空格数量正确
-            local spaces = (" "):rep(w - 12)
-            local text = timeStr .. " " .. spaces .. "--:--"
-            local fgColor = fg:rep(#text)
-            local bgColor = bg:rep(6) .. fg:rep(w - 12) .. bg:rep(6)
-            -- 确保所有参数长度相等
-            if #text == #fgColor and #text == #bgColor then
-                term.blit(text, fgColor, bgColor)
-            end
-        else
-            local barWidth = w - 12
-            local progress = math.floor(barWidth * p)
-            progress = math.max(0, math.min(progress, barWidth)) -- 确保进度在有效范围内
-            
-            local progressBar = (" "):rep(progress) .. ("\127"):rep(barWidth - progress)
-            local text = timeStr .. " " .. progressBar .. " " .. endTimeStr
-            local fgColor = fg:rep(#text)
-            local bgColor = bg:rep(6) .. fg:rep(progress) .. bg:rep(barWidth - progress + 6)
-            -- 确保所有参数长度相等
-            if #text == #fgColor and #text == #bgColor then
-                term.blit(text, fgColor, bgColor)
-            end
-        end
-    end, v.volume, table.unpack(speakers))
-    print()
-else
-    aukit.play(iter, function() end, v.volume, table.unpack(speakers))
-end

station_broadcast.lua

@@ -1,7 +1,5 @@
 
--- ============================================================================
 -- 1. Configuration & Constants
--- ============================================================================
 local APP_VERSION_TEXT = "v1.0.46"
 
 local CONFIG = {
@@ -34,9 +32,9 @@ local COLORS = {
     SUCCESS = colors.green
 }
 
--- ============================================================================
+
 -- 2. State Management
--- ============================================================================
+
 local State = {
     ws = nil,
     stationName = "Unknown",
@@ -60,9 +58,9 @@ local State = {
     updateInProgress = false
 }
 
--- ============================================================================
+
 -- 3. Peripherals Setup
--- ============================================================================
+
 local Peripherals = {}
 
 function Peripherals.isTrainStationPeripheral(name)
@@ -80,9 +78,6 @@ function Peripherals.isTrainStationPeripheral(name)
         return false
     end
 
-    -- Create Wiki documents the station peripheral by its methods rather than a
-    -- guaranteed fixed type string. Match on the core method set so attached
-    -- stations are still detected across integration/version differences.
     return type(wrapped.getStationName) == "function"
         and type(wrapped.isTrainPresent) == "function"
         and type(wrapped.getTrainName) == "function"
@@ -90,7 +85,6 @@ function Peripherals.isTrainStationPeripheral(name)
 end
 
 function Peripherals.init()
-    -- Station Peripheral: prefer direct sides, then fall back to any discovered peripheral name.
     local station = nil
     local stationSide = nil
     local checkedNames = {}
@@ -115,7 +109,7 @@ function Peripherals.init()
     Peripherals.station = station
     State.hasStationPeripheral = station ~= nil
     State.stationPeripheralSide = stationSide
-    -- monitors
+
     local monitors = { peripheral.find("monitor") }
     if #monitors > 0 then
         Peripherals.primaryMonitor = monitors[1]
@@ -125,14 +119,13 @@ function Peripherals.init()
         Peripherals.primaryMonitor = nil
         State.hasPrimaryMonitor = false
     end
-    -- Speakers
+
-    Peripherals.speakers = { peripheral.find("speaker") }
+
-    -- Create Target Block (CRN)
     Peripherals.createTarget = peripheral.find("create_target")
     if Peripherals.createTarget then
         pcall(Peripherals.createTarget.resize, 80, 10)
     end
-    -- Block Reader (Advanced Peripherals)
+
     local blockReader = nil
     local typeCandidates = { "blockReader", "block_reader", "arBlockReader", "advancedperipherals:block_reader" }
     for _, t in ipairs(typeCandidates) do
@@ -154,9 +147,9 @@ function Peripherals.init()
     Peripherals.blockReader = blockReader
 end
 
--- ============================================================================
+
 -- 4. Utility Functions
--- ============================================================================
+
 local Utils = {}
 
 function Utils.log(level, message)
@@ -165,8 +158,7 @@ function Utils.log(level, message)
     local entry = { level = level, text = entryText }
     table.insert(State.logs, 1, entry)
     if #State.logs > 100 then table.remove(State.logs) end
-    
+
-    -- If user is scrolling history, increment offset to stay on same items
     if State.logScrollOffset > 0 then
         State.logScrollOffset = math.min(State.logScrollOffset + 1, math.max(0, #State.logs - 1))
     end
@@ -546,7 +538,7 @@ function Utils.getStationCode(name)
     end
 
     if code then
-        return tostring(code):lower() -- Always return lowercase for consistent comparison
+        return tostring(code):lower() 
     end
     return nil
 end
@@ -570,7 +562,6 @@ function Utils.isSameTrain(id1, id2)
     if not id1 or not id2 then return false end
     if id1 == id2 then return true end
     
-    -- Consist Car Match: "CK 1 01" vs "CK 1 02"
     local function getConsist(id)
         local clean = id:gsub("^%[.-%]%s*", "")
         local p = {}
@@ -587,27 +578,26 @@ function Utils.isSameTrain(id1, id2)
     local c2 = getConsist(id2)
     if c1 == c2 then return true end
 
-    -- Fuzzy match: remove type prefix and compare content
+
     local _, name1, num1 = Utils.parseTrainId(id1)
     local _, name2, num2 = Utils.parseTrainId(id2)
     
-    -- If both have numbers, compare name and number
+
     if num1 ~= "" and num2 ~= "" then
         return name1 == name2 and num1 == num2
     end
-    
+
-    -- Fallback to comparing just the main content/name
     return name1 == name2
 end
 
 function Utils.parseTrainId(trainId)
     if not trainId then return "unknown", "" end
     
-    -- Generic match: [Type]Content
+
     local typeStr, content = trainId:match("^%[(.-)%](.+)$")
     
     if typeStr then
-        -- Check for Express types
+
         if typeStr == "Ltd.Exp" or typeStr == "Express" then
 
             local name, num = content:match("^(.+) No%.(%d+)$")
@@ -628,7 +618,6 @@ end
 
 function Utils.getDestination(schedule)
     if not schedule then return "Unknown" end
-    -- Handle both wrapped and unwrapped schedule structure
     local entries = schedule.entries or (type(schedule) == "table" and schedule)
     if not entries or type(entries) ~= "table" then return "Unknown" end
     
@@ -692,7 +681,7 @@ function Utils.isFuzzyMatch(str, pattern)
     
     if str == pattern then return true end
     
-    -- 1. Handle Create Mod Wildcards (*)
+    -- 1. Handle Create Mod Wildcards
     if pattern:find("*") then
         local p = pattern:gsub("([%^%$%(%)%%%.%[%]%+%-%?])", "%%%1")
         p = p:gsub("%%%*", ".*")
@@ -705,7 +694,6 @@ function Utils.isFuzzyMatch(str, pattern)
     local b2 = Utils.getBaseName(pattern)
     if b1 ~= "" and b2 ~= "" then
         if b1 == b2 then return true end
-        -- Substring match for base names
         if #b1 >= 4 and #b2 >= 4 then
             if b1:find(b2, 1, true) or b2:find(b1, 1, true) then
                 return true
@@ -954,9 +942,9 @@ function Utils.getNextStation(schedule, currentStationName)
     return nil
 end
 
--- ============================================================================
+
 -- 5. Audio System
--- ============================================================================
+
 local Audio = {}
 
 function Audio.createStream()
@@ -1573,7 +1561,6 @@ function Audio.playDfpwmItem(item)
     local playSeq = State.interruptSeq
     local source = item.audioData
     
-    -- Support both static string data and streaming functions
     if type(source) == "table" and source.read then
         source = source.read
     end
@@ -1644,7 +1631,7 @@ function Audio.playWavStreamItem(item)
 
     local playSeq = State.interruptSeq
     
-    -- Ensure all speakers are completely empty and synced before starting the new stream
+
     if not waitForNativeSpeakersEmpty(Peripherals.speakers, playSeq) then
         return
     end
@@ -1789,11 +1776,11 @@ function Utils.getChineseNumberAudio(val)
         end
         return seq
     else
-        -- Handle Alphanumeric (e.g., "1A", "2B")
+        -- Handle Alphanumeric
         local digit, letter = tostring(val):match("^(%d+)([a-zA-Z])$")
         if digit and letter then
             local seq = Utils.getChineseNumberAudio(digit)
-            table.insert(seq, letter:upper()) -- e.g. "A", "B"
+            table.insert(seq, letter:upper()) 
             return seq
         end
         return {tostring(val)}
@@ -1811,7 +1798,7 @@ function Utils.getStationAudio(code, langPrefix)
             end
         end
     end
-    -- Fallback to hardcoded pattern
+
     return langPrefix .. code
 end
 
@@ -2012,7 +1999,6 @@ function Network.register()
 end
 
 function Network.syncFiles()
-    -- Sync only config file (list.txt) periodically
     while true do
         local resp = http.get(CONFIG.API_URL .. "/list.txt")
         if not resp then
@@ -2194,7 +2180,7 @@ function Network.messageLoop()
         elseif event == "websocket_closed" then
             Utils.log("WARN", "WS Closed")
             State.ws = nil
-            State.audioRx = nil -- Clear partial download
+            State.audioRx = nil 
             os.sleep(5)
         end
     end
@@ -2216,9 +2202,9 @@ function Network.heartbeat()
     end
 end
 
--- ============================================================================
+
 -- 7. Display System
--- ============================================================================
+
 local Display = {}
 
 function Display.render()
@@ -2410,9 +2396,9 @@ function Display.renderTerminal()
     end
 end
 
--- ============================================================================
+
 -- 7.5 Input Handling
--- ============================================================================
+
 local Input = {}
 
 function Input.listener()
@@ -2443,13 +2429,13 @@ function Input.listener()
             Display.renderTerminal()
             Display.render()
         elseif event == "monitor_touch" and param1 == monitorName then
-            -- Simple touch to scroll: top half of log area scrolls up, bottom half scrolls down
+            
             local _, monH = Peripherals.primaryMonitor.getSize()
             local y = param3
             if y >= monH - 3 then
-                if y == monH - 3 then -- Top line of log area
+                if y == monH - 3 then 
                     State.logScrollOffset = math.min(State.logScrollOffset + 1, math.max(0, #State.logs - 3))
-                elseif y == monH then -- Bottom line of log area
+                elseif y == monH then 
                     State.logScrollOffset = math.max(0, State.logScrollOffset - 1)
                 end
                 Display.renderTerminal()
@@ -2484,9 +2470,9 @@ function Input.listener()
     end
 end
 
--- ============================================================================
+
 -- 8. Main Logic
--- ============================================================================
+
 local Main = {}
 State.announcedApproaching = {}
 State.announcedAlerts = {}
@@ -2510,52 +2496,7 @@ local function isPendingAlertReady(key, now)
     return (now - firstSeen) >= (tonumber(CONFIG.ALERT_CONFIRM_MS) or 60000)
 end
 
-local function parseEtaText(etaStr)
-    etaStr = tostring(etaStr or "")
-    if etaStr == "" then return -1 end
 
-    if string.find(etaStr, "现在", 1, true)
-        or string.find(etaStr, "到达", 1, true)
-        or string.find(etaStr, "^0+$")
-    then
-        return 0
-    end
-
-    local mm, ss = string.match(etaStr, "(%d+)%s*:%s*(%d+)")
-    if mm and ss then
-        return tonumber(mm) * 60 + tonumber(ss)
-    end
-
-    local min, sec = string.match(etaStr, "(%d+)%s*分.-(%d+)%s*秒")
-    if min and sec then
-        return tonumber(min) * 60 + tonumber(sec)
-    end
-
-    local secOnly = string.match(etaStr, "(%d+)%s*秒")
-    if secOnly then
-        return tonumber(secOnly)
-    end
-
-    local minOnly = string.match(etaStr, "(%d+)%s*分")
-    if minOnly then
-        return tonumber(minOnly) * 60
-    end
-
-    local num, unit = string.match(etaStr, "(%d+)%s*(.*)")
-    if num then
-        num = tonumber(num)
-        unit = tostring(unit or ""):lower()
-        if unit == "" then
-            return num
-        end
-        if string.find(unit, "秒", 1, true) or string.find(unit, "s", 1, true) or string.find(unit, "sec", 1, true) or (unit == "??" and num > 10) then
-            return num
-        end
-        return num * 60
-    end
-
-    return -1
-end
 
 local function normalizeUpcomingKey(trainName, destination)
     local function clean(value)
@@ -2624,8 +2565,7 @@ function Main.loop()
         local etaTextByKey = {}
         local delayTextByKey = {}
 
-        -- Read CRN text ETA only for display wording.
+        -- ETA  come from NBT.
-        -- Timing decisions and numeric ETA still come from NBT.
         if Peripherals.createTarget then
             local okLines, lines = pcall(Peripherals.createTarget.dump)
             if okLines and type(lines) == "table" then
@@ -2657,11 +2597,10 @@ function Main.loop()
             end
         end
 
-        -- Check Block Reader (Advanced Peripherals) first for precise ETA and Delay
+
         if Peripherals.blockReader then
             local ok, data = pcall(Peripherals.blockReader.getBlockData)
             if ok and data and data.TrainStops then
-                -- Real-time interpolation: estimate actual tick rate (TPS) from CRN refreshes
                 if not State.lastRefreshed or State.lastRefreshed ~= data.LastRefreshed then
                     if State.lastRefreshed and State.lastRefreshedEpoch then
                         local deltaTicks = (data.LastRefreshed or 0) - (State.lastRefreshed or 0)
@@ -2711,8 +2650,7 @@ function Main.loop()
                         if cancelled then
                             reason = "cancelled"
                         end
-                        
+
-                        -- Calculate ETA in seconds using interpolated currentTick
                         local scheduledArrival = pickEarlierTick(st.ScheduledArrival, st.ScheduledDeparture)
                         local realArrival = pickEarlierTick(st.RealTimeArrival, st.RealTimeDeparture)
                         local etaTicks = realArrival - currentTick
@@ -2720,8 +2658,7 @@ function Main.loop()
                         if etaSeconds < 0 then etaSeconds = 0 end
                         local announceKey = normalizeUpcomingKey(trainName, destination)
                         local etaLabel = buildEtaLabel(etaSeconds, etaTextByKey[announceKey])
-                        
+
-                        -- Calculate Delay in minutes
                         local delayTicks = realArrival - scheduledArrival
                         local delayMinutes = math.floor(delayTicks / ((State.tickRate or 20) * 60))
                         if delayMinutes < 0 then delayMinutes = 0 end
@@ -2811,7 +2748,6 @@ function Main.loop()
             end
         end
 
-        -- Try CC:C Bridge Display Link (Legacy Text Parsing) if Block Reader is not available
         if not Peripherals.blockReader and Peripherals.createTarget then
             local lines = Peripherals.createTarget.dump()
             local seenAlertKeys = {}
@@ -2825,7 +2761,6 @@ function Main.loop()
                     local delayMatch = string.match(lineText, "%+%s*(%d+)")
                     local delay = tonumber(delayMatch) or 0
                     
-                    -- 从文本中移除延误相关的字眼，防止干扰后续的正则表达式匹配
                     local cleanLine = string.gsub(lineText, "%s*%(?%+%s*%d+.-%)?", "")
 
                     local platform, etaStr, tName, dest
@@ -2839,8 +2774,7 @@ function Main.loop()
                     
                     if tName and etaStr then
                         local announceKey = tName .. "_" .. dest
-                        
+
-                        -- 将 ETA 转换为秒数进行精准判断
                         local etaSeconds = -1
                         local isNow = string.find(etaStr, "现在") or string.find(etaStr, "0")
                         
@@ -2850,7 +2784,7 @@ function Main.loop()
                             local num, unit = string.match(etaStr, "(%d+)%s*(.*)")
                             if num then
                                 num = tonumber(num)
-                                -- 如果单位包含秒的字眼，或者是乱码但数值>10（如 45 ??, 30 ??），则认为是秒
+
                                 if string.find(unit, "秒") or string.find(unit, "s") or string.find(unit, "sec") or (unit == "??" and num > 10) then
                                     etaSeconds = num
                                 else
@@ -2893,7 +2827,6 @@ function Main.loop()
                             end
                         end
 
-                        -- 触发逻辑：当 ETA 已经明确不大于45秒，且之前没有播报过
                         if etaSeconds >= 0 and etaSeconds <= 45 then
                             seenApproachKeys[announceKey] = true
                             local pending = State.pendingApproaching[announceKey]
@@ -2942,7 +2875,7 @@ function Main.loop()
             end
         end
 
-        -- Update Upcoming Trains globally for the monitor
+
         State.upcomingTrains = newUpcoming
 
         if not Peripherals.station then
@@ -3016,9 +2949,9 @@ function Main.loop()
     end
 end
 
--- ============================================================================
+
 -- 9. Bootstrap
--- ============================================================================
+
 AutoUpdate.checkOnBoot()
 Peripherals.init()
 Utils.ensureSlaveIdentityConfigured()