Start packaged macOS client at manual server login

scripts/package_mac_app.sh

@@ -51,9 +51,10 @@ export VK_ICD_FILENAMES="$RESOURCES_DIR/MoltenVK_icd.json"
 : "${MT_HD_UI_PAK:=$RESOURCES_DIR/hd_ui.pak}"
 export MT_HD_UI_PAK
 cd "$RESOURCES_DIR"
-exec "$CONTENTS_DIR/MacOS/mt_native_render" --interactive \
+exec "$CONTENTS_DIR/MacOS/mt_native_render" --login-screen \
   --live-client "${MT_CLIENT_DIR:-$RESOURCES_DIR/Client}" \
-  --fake-mobs 24 --width 1280 --height 800 "$@"
+  --live-server "${MT_SERVER:-192.168.21.203:11000:13000}" \
+  --width 1280 --height 800 "$@"
 SH
 chmod +x "$stage/Contents/MacOS/Metin2"
 cat > "$stage/Contents/Info.plist" <<PLIST

src/host/README.md

@@ -78,6 +78,11 @@ Run the full 40250 client interactively (infinite frame loop until window close,
   --live-server 127.0.0.1:11002:13000 --login-screen
 ```
 
+The packaged macOS app opens the manual login screen and connects to
+`192.168.21.203:11000:13000` by default. Its launcher never submits test credentials.
+Set `MT_SERVER=HOST:AUTH_PORT:GAME_PORT` to choose another server. The loopback
+auto-login flow above remains available through the development executable.
+
 ### Synthetic benchmark
 
 ```sh