feat(settings): drag-to-reorder page order in UI Settings card

Users can now change the bottom navigation order (previously fixed):

- New "Page order" section under the Settings toggle in the UI
  Settings card: vertical list of all 7 pages, each with a drag
  handle (new ic_drag drawable, Material drag_indicator glyph) on
  the right.
- Drag a handle up/down: the item follows the finger with live
  swap + animateItem() placement animation; on release the order is
  persisted (OtherSettings.screenOrder, comma-separated in prefs so
  order survives; StringSet would not).
- "Reset order" button restores the default order
  (Satellites/Passes/Radar/Mutual/Roaming/Map/Settings).
- MainScreen now sorts navItems by screenOrder (empty = default,
  stable sort keeps the canonical order); hiddenScreens filtering
  unchanged; Settings entry always visible.
- New strings prefs_ui_order_title / prefs_ui_order_reset in
  en/zh/tr; What's-new updated in all three locales.

Version stays 4.4.9 (覆盖 per user). Verified: core:data tests
pass, settings + app compile.

core/data/src/main/java/com/rtbishop/look4sat/core/data/repository/SettingsRepo.kt

@@ -78,6 +78,7 @@ class SettingsRepo(
     private val keyStateOfLightTheme = "stateOfLightTheme"
     private val keyStateOfNightMode = "stateOfNightMode"
     private val keyHiddenScreens = "hiddenScreens"
+    private val keyScreenOrder = "screenOrder"
     private val keyStationAltitude = "stationAltitude"
     private val keyStationLatitude = "stationLatitude"
     private val keyStationLongitude = "stationLongitude"
@@ -359,6 +360,7 @@ class SettingsRepo(
                 putLong(keyLowElevation, new.lowElevation.toRawBits())
                 putLong(keyHighElevation, new.highElevation.toRawBits())
                 putStringSet(keyHiddenScreens, new.hiddenScreens.toSet())
+                putString(keyScreenOrder, new.screenOrder.joinToString(","))
             }
             new
         }
@@ -375,6 +377,7 @@ class SettingsRepo(
         shouldSeeWhatsNew = preferences.getBoolean(keyShouldSeeWhatsNew, true),
         sstvMode = preferences.getString(keySstvMode, null) ?: "Auto",
         hiddenScreens = preferences.getStringSet(keyHiddenScreens, emptySet())?.toList() ?: emptyList(),
+        screenOrder = preferences.getString(keyScreenOrder, null)?.split(",")?.filter { it.isNotBlank() } ?: emptyList(),
         lowElevation = Double.fromBits(preferences.getLong(keyLowElevation, 15.0.toRawBits())),
         highElevation = Double.fromBits(preferences.getLong(keyHighElevation, 45.0.toRawBits()))
     )

core/domain/src/main/java/com/rtbishop/look4sat/core/domain/model/Settings.kt

@@ -64,7 +64,9 @@ data class OtherSettings(
     val lowElevation: Double = 15.0,
     val highElevation: Double = 45.0,
     // UI 设置: 底部导航栏隐藏的页面(Screen simpleName 列表, 默认空 = 全部显示)
-    val hiddenScreens: List<String> = emptyList()
+    val hiddenScreens: List<String> = emptyList(),
+    // UI 设置: 页面顺序(空 = 默认顺序: 卫星/过境/雷达/匹配/漫游/地图/设置)
+    val screenOrder: List<String> = emptyList()
 )
 
 data class DataSourcesSettings(

core/presentation/src/main/java/com/rtbishop/look4sat/core/presentation/Navigation.kt

@@ -45,6 +45,9 @@ sealed class Screen(val iconResId: Int, val titleResId: Int, val screenId: Strin
     data object Settings : Screen(R.drawable.ic_settings, R.string.nav_prefs, "Settings")
 }
 
+// UI 设置: 默认页面顺序(与 MainScreen navItems 一致)
+val defaultScreenOrder = listOf("Satellites", "Passes", "Radar", "Mutual", "Roaming", "Map", "Settings")
+
 @Serializable
 data object RadarDestination : NavKey
 

core/presentation/src/main/res/drawable/ic_drag.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M11,18c0,1.1 -0.9,2 -2,2s-2,-0.9 -2,-2 0.9,-2 2,-2 2,0.9 2,2zM9,10c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM9,4c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM15,8c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2 -2,0.9 -2,2 0.9,2 2,2zM15,10c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM15,16c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2z" />
+</vector>

core/presentation/src/main/res/values-tr/strings.xml

@@ -59,6 +59,7 @@
         \n\n* Ayarlar: "İçe aktar" düğmesi "Özel URL" olarak yeniden adlandırıldı - TLE/alıcı-verici kaynak URL\'leri doğrudan düzenlenebilir
         \n\n* Özel kaynak anahtarları varsayılan olarak KAPALI; eski örnek URL\'ler gerçek varsayılanlara sıfırlanır
         \n\n* Yeni UI Ayarları kartı: alt gezinme sayfalarını göster/gizle (sıra sabit, Ayarlar her zaman görünür)
+        \n\n* Sayfa sırası: UI Ayarları'nda her sayfanın yanındaki tutamacı sürükleyerek alt gezinmeyi yeniden sıralayın, tek dokunuşla varsayılana sıfırlayın
     </string>
 
     <!-- Radar screen -->
@@ -186,6 +187,8 @@
 
     <string name="prefs_other_title">Diğer ayarlar</string>
     <string name="prefs_ui_title">UI Ayarları</string>
+    <string name="prefs_ui_order_title">Sayfa sırası</string>
+    <string name="prefs_ui_order_reset">Sıralamayı sıfırla</string>
     <string name="prefs_other_switch_utc">Geçiş saatini UTC olarak göster</string>
     <string name="prefs_other_switch_update">Otomatik veri güncellemeyi etkinleştir</string>
     <string name="prefs_other_switch_sweep">Radar taramasını etkinleştir</string>

core/presentation/src/main/res/values-zh/strings.xml

@@ -49,6 +49,7 @@
         \n\n* 设置：导入文件按钮更名为自定义URL，可直接编辑 TLE/收发机数据源地址
         \n\n* 自定义数据源开关默认关闭；旧版占位 URL 自动重置为真实默认地址
         \n\n* 新增 UI设置 卡片：可显示/隐藏底部菜单栏页面（顺序固定，设置页始终显示）
+        \n\n* 新增 页面顺序：在 UI设置 中拖动每页右侧抓手可调整底部菜单栏顺序，一键重置为默认顺序
     </string>
 
     <!-- Radar screen -->
@@ -169,6 +170,8 @@
 
     <string name="prefs_other_title">其他设置</string>
     <string name="prefs_ui_title">UI设置</string>
+    <string name="prefs_ui_order_title">页面顺序</string>
+    <string name="prefs_ui_order_reset">重置顺序</string>
     <string name="prefs_other_switch_utc">以 UTC 时间显示</string>
     <string name="prefs_other_switch_update">启用卫星数据自动更新</string>
     <string name="prefs_other_switch_sweep">启用雷达扫描动画</string>

core/presentation/src/main/res/values/strings.xml

@@ -61,6 +61,7 @@
         \n\n* Settings: "Import" button renamed to "Custom URL" - edit TLE/transceiver source URLs directly
         \n\n* Custom source toggles default OFF; legacy placeholder URLs are reset to the real defaults
         \n\n* New UI Settings card: show/hide bottom navigation pages (order fixed, Settings always visible)
+        \n\n* Page order: drag the handle next to each page in UI Settings to reorder the bottom navigation, one-tap reset to default
     </string>
 
     <!-- Radar screen -->
@@ -200,6 +201,8 @@
 
     <string name="prefs_other_title">Other settings</string>
     <string name="prefs_ui_title">UI Settings</string>
+    <string name="prefs_ui_order_title">Page order</string>
+    <string name="prefs_ui_order_reset">Reset order</string>
     <string name="prefs_other_switch_utc">Show pass time in UTC</string>
     <string name="prefs_other_switch_update">Enable automatic data update</string>
     <string name="prefs_other_switch_sweep">Enable radar sweep animation</string>