Add WT treadmill device support (e.g. WT703)

Adds support for WT treadmill devices with names matching pattern "WT"
followed by 3 digits (max 5 characters). The forceSpeed is scaled to
miles when miles_unit setting is enabled, similar to TM4800/TM6500/T3G_ELITE.

https://claude.ai/code/session_01GJXMLrS4sA9LFxSkASSwuU

Author: claude

src/devices/bluetooth.cpp

@@ -1569,7 +1569,8 @@ void bluetooth::deviceDiscovered(const QBluetoothDeviceInfo &device) {
                         (b.name().toUpper().startsWith(QStringLiteral("TC-"))) ||                            // FTMS (Focus Fitness Jet 7 iPlus)
                         b.name().toUpper().startsWith(QStringLiteral("TM XP_")) ||                           // FTMS
                         b.name().toUpper().startsWith(QStringLiteral("THERUN  T15")) ||                      // FTMS
-                        b.name().toUpper().startsWith(QStringLiteral("BODYCRAFT_"))                          // Bodycraft T850 Treadmill
+                        b.name().toUpper().startsWith(QStringLiteral("BODYCRAFT_")) ||                         // Bodycraft T850 Treadmill
+                        (b.name().toUpper().startsWith(QStringLiteral("WT")) && b.name().length() == 5 && b.name().midRef(2).toInt() > 0) // WT treadmill (e.g. WT703)
                         ) &&
                        !horizonTreadmill && filter) {
                 this->setLastBluetoothDevice(b);

src/devices/horizontreadmill/horizontreadmill.cpp

@@ -1261,7 +1261,7 @@ void horizontreadmill::forceSpeed(double requestSpeed) {
         if(BOWFLEX_T9) {
             requestSpeed *= miles_conversion;   // this treadmill wants the speed in miles, at least seems so!!
         }        
-        if(TM4800 || TM6500 || T3G_ELITE) {
+        if(TM4800 || TM6500 || T3G_ELITE || WT_TREADMILL) {
             bool miles = settings.value(QZSettings::miles_unit, QZSettings::default_miles_unit).toBool();
             if(miles) {
                 requestSpeed *= miles_conversion;   // these treadmills want the speed in miles when miles_unit is enabled
@@ -2698,6 +2698,9 @@ void horizontreadmill::deviceDiscovered(const QBluetoothDeviceInfo &device) {
             qDebug() << QStringLiteral("TM6500 treadmill found");
             TM6500 = true;
             minInclination = -3.0;
+        } else if (device.name().toUpper().startsWith(QStringLiteral("WT")) && device.name().length() == 5) {
+            qDebug() << QStringLiteral("WT treadmill found");
+            WT_TREADMILL = true;
         }
 
         if (device.name().toUpper().startsWith(QStringLiteral("TRX3500"))) {

src/devices/horizontreadmill/horizontreadmill.h

@@ -119,6 +119,7 @@ class horizontreadmill : public treadmill {
     bool T01 = false;
     bool TM4800 = false;
     bool TM6500 = false;
+    bool WT_TREADMILL = false;
 
     void testProfileCRC();
     void updateProfileCRC();