Rename hush→dragonx across wallet codebase

- Rename RESOURCE_HUSHD/HUSH_CLI/HUSH_TX to RESOURCE_DRAGONXD/DRAGONX_CLI/DRAGONX_TX
- Remove unused .bat resource constants (DRAGONXD_BAT, DRAGONX_CLI_BAT)
- Update INCBIN symbols: g_hushd_exe → g_dragonxd_exe, etc.
- Update daemon search paths, removing hush-arrakis-chain fallbacks
- Update process detection (Windows findProcessByName, Linux /proc/comm, macOS pgrep)
- Update build.sh: embed dragonxd.exe/dragonx-cli.exe/dragonx-tx.exe
- Overhaul setup.sh: fix binary names, release paths, add -j passthrough
- Update getDaemonPath/needsDaemonExtraction/hasDaemonAvailable for new names

src/app_network.cpp

@@ -1324,15 +1324,20 @@ void App::startPoolMining(int threads)
     cfg.tls            = settings_->getPoolTls();
     cfg.hugepages      = settings_->getPoolHugepages();
 
-    // Use first transparent address as the mining wallet address
-    for (const auto& addr : state_.addresses) {
-        if (addr.type == "transparent" && !addr.address.empty()) {
+    // Use first shielded address as the mining wallet address, fall back to transparent
+    for (const auto& addr : state_.z_addresses) {
+        if (!addr.address.empty()) {
             cfg.wallet_address = addr.address;
             break;
         }
     }
-    if (cfg.wallet_address.empty() && !state_.z_addresses.empty()) {
-        cfg.wallet_address = state_.z_addresses[0].address;
+    if (cfg.wallet_address.empty()) {
+        for (const auto& addr : state_.addresses) {
+            if (addr.type == "transparent" && !addr.address.empty()) {
+                cfg.wallet_address = addr.address;
+                break;
+            }
+        }
     }
 
     if (cfg.wallet_address.empty()) {