fix(station): sync identity config from physical station

Detect train station peripherals from all discovered names and automatically write station_identity.cfg from the physical station identity so attached main hosts stop falling back to manual slave setup.

station_broadcast.lua

@@ -2,7 +2,7 @@
 -- ============================================================================
 -- 1. Configuration & Constants
 -- ============================================================================
-local APP_VERSION_TEXT = "v1.0.11"
+local APP_VERSION_TEXT = "v1.0.12"
 
 local CONFIG = {
     CLOUD_URL = "ws://stabadmin.fse-media.group",
@@ -58,17 +58,28 @@ local State = {
 local Peripherals = {}
 
 function Peripherals.init()
-    -- Station Peripheral: prefer the back side, then fall back to any side.
+    -- Station Peripheral: prefer direct sides, then fall back to any discovered peripheral name.
     local station = nil
     local stationSide = nil
+    local checkedNames = {}
     local preferredSides = { "back", "top", "bottom", "left", "right", "front" }
     for _, side in ipairs(preferredSides) do
+        checkedNames[side] = true
         if peripheral.getType(side) == "train_station" then
             station = peripheral.wrap(side)
             stationSide = side
             break
         end
     end
+    if not station and peripheral.getNames then
+        for _, name in ipairs(peripheral.getNames()) do
+            if not checkedNames[name] and peripheral.getType(name) == "train_station" then
+                station = peripheral.wrap(name)
+                stationSide = name
+                break
+            end
+        end
+    end
     Peripherals.station = station
     State.hasStationPeripheral = station ~= nil
     State.stationPeripheralSide = stationSide
@@ -140,7 +151,7 @@ function Utils.saveStationIdentity(stationCode, stationPlatform)
         return false
     end
     handle.write(table.concat({
-        "# Manual station identity override for slave nodes",
+        "# Station identity cache / override",
         "station_code=" .. Utils.trim(stationCode or ""),
         "station_platform=" .. Utils.trim(stationPlatform or ""),
         ""
@@ -230,10 +241,25 @@ function Utils.resolveStationIdentity()
         if physicalName == "" then physicalName = nil end
     end
 
-    local stationCode = manual.station_code
+    local stationCode = nil
-    local stationPlatform = manual.station_platform
+    local stationPlatform = nil
     local stationName = physicalName
 
+    if physicalName then
+        stationCode = Utils.getStationCode(physicalName) or Utils.getBroadcastStationCode(physicalName)
+        stationPlatform = Utils.getPlatformNumber(physicalName, manual.station_platform or "1")
+    else
+        stationCode = manual.station_code
+        stationPlatform = manual.station_platform
+    end
+
+    if (not stationCode or stationCode == "") and manual.station_code and manual.station_code ~= "" then
+        stationCode = manual.station_code
+    end
+    if (not stationPlatform or stationPlatform == "") and manual.station_platform and manual.station_platform ~= "" then
+        stationPlatform = manual.station_platform
+    end
+
     if (not stationCode or stationCode == "") and stationName and stationName ~= "" then
         stationCode = Utils.getStationCode(stationName) or Utils.getBroadcastStationCode(stationName)
     end
@@ -268,6 +294,34 @@ function Utils.resolveStationIdentity()
     }
 end
 
+function Utils.syncStationIdentityFromPeripheral()
+    if not Peripherals.station then
+        return false
+    end
+
+    local identity = Utils.resolveStationIdentity()
+    local stationCode = Utils.trim(identity.stationCode or "")
+    local stationPlatform = Utils.trim(identity.stationPlatform or "")
+    if stationCode == "" or stationCode == "UNK" or stationPlatform == "" then
+        return false
+    end
+
+    local manual = Utils.loadStationIdentity()
+    local oldCode = Utils.trim(manual.station_code or "")
+    local oldPlatform = Utils.trim(manual.station_platform or "")
+    if oldCode == stationCode and oldPlatform == stationPlatform then
+        return false
+    end
+
+    local ok = Utils.saveStationIdentity(stationCode, stationPlatform)
+    if ok then
+        Utils.log("INFO", "Synced station_identity.cfg from physical station: " .. stationCode .. " / P" .. stationPlatform)
+        return true
+    end
+    Utils.log("WARN", "Failed to sync " .. CONFIG.STATION_IDENTITY_FILE .. " from physical station")
+    return false
+end
+
 function Utils.refreshStationIdentity()
     local identity = Utils.resolveStationIdentity()
     State.stationName = identity.stationName
@@ -1955,6 +2009,8 @@ Peripherals.init()
 Utils.ensureSlaveIdentityConfigured()
 Audio.loadStationList()
 Utils.refreshStationIdentity()
+Utils.syncStationIdentityFromPeripheral()
+Utils.refreshStationIdentity()
 Utils.log("INFO", "StationBroadcast version " .. APP_VERSION_TEXT)
 if Peripherals.station then
     Utils.log("INFO", "Train station peripheral detected on " .. tostring(State.stationPeripheralSide or "unknown"))