android: reset chats search query when leaving fullscreen search

android/CHANGELOG.md

@@ -588,3 +588,7 @@
   - red `Recent` list now reads saved history with fallback.
 - Connected `Очистить` action to real history cleanup in `DataStore`.
 - On opening a chat from search results/messages/history, the chat is now stored in recent/history.
+
+### Step 92 - Search filter leak fix on exit
+- Fixed chats search state leak: leaving fullscreen search now resets local/global query.
+- Main chats list no longer stays filtered by previous search input after returning from search mode.

android/app/src/main/java/ru/daemonlord/messenger/ui/chats/ChatListScreen.kt

@@ -219,7 +219,14 @@ fun ChatListScreen(
                         )
                     }
                 } else if (isSearchMode) {
-                    IconButton(onClick = { isSearchMode = false }) {
+                    IconButton(
+                        onClick = {
+                            isSearchMode = false
+                            localSearchQuery = ""
+                            onSearchChanged("")
+                            onGlobalSearchChanged("")
+                        },
+                    ) {
                         Icon(
                             imageVector = Icons.AutoMirrored.Filled.ArrowBack,
                             contentDescription = "Back",
@@ -322,7 +329,9 @@ fun ChatListScreen(
                     IconButton(
                         onClick = {
                             isSearchMode = true
-                            localSearchQuery = state.searchQuery
+                            localSearchQuery = ""
+                            onSearchChanged("")
+                            onGlobalSearchChanged("")
                         },
                     ) {
                         Icon(