release: promote dev to main for v2.0.0 (#1426)

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app/src/main/java/com/m57/hermescontrol/Navigation.kt

@@ -215,14 +215,22 @@ fun MainNavigation(sessionId: String? = null) {
     var lastBackPressTime by remember { mutableLongStateOf(0L) }
     val backToastText = stringResource(R.string.press_back_again_to_exit)
 
-    // Double-back to exit on root ChatScreen
+    // Double-back to exit on root ChatScreen — unless the chat was opened from
+    // a list (History, Bots): then the first back returns to that list (Telegram
+    // chat-list parity) and only a further double-back exits.
     BackHandler(enabled = currentScreen == ChatScreen && backStack.size == 1) {
-        val now = System.currentTimeMillis()
-        if (now - lastBackPressTime < 2000L) {
-            (context as? Activity)?.finish()
+        val pendingReturn = NavigationController.chatReturnScreen
+        if (pendingReturn != null) {
+            NavigationController.consumeChatReturnScreen()
+            NavigationController.navigateTo(pendingReturn)
         } else {
-            lastBackPressTime = now
-            Toast.makeText(context, backToastText, Toast.LENGTH_SHORT).show()
+            val now = System.currentTimeMillis()
+            if (now - lastBackPressTime < 2000L) {
+                (context as? Activity)?.finish()
+            } else {
+                lastBackPressTime = now
+                Toast.makeText(context, backToastText, Toast.LENGTH_SHORT).show()
+            }
         }
     }