fix(ui): clear article title selection on any tap

The title SelectionContainer covered only the text, so a tap on the empty bar area or the article body never cleared the highlight. A tap anywhere on the article screen now recreates the container and drops the selection.

app/src/main/java/com/example/research/ui/article/ArticleScreen.kt

@@ -1,6 +1,7 @@
 package com.example.research.ui.article
 
 import androidx.compose.foundation.clickable
+import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.text.selection.SelectionContainer
 import androidx.compose.foundation.lazy.LazyColumn
@@ -304,6 +305,7 @@ fun ArticleTitleBar(
     onNavigateBack: () -> Unit,
     modifier: Modifier = Modifier,
     compact: Boolean = false,
+    selectionReset: Int = 0,
 ) {
     val title = when (articleState) {
         is ArticleState.Loading -> articleState.title
@@ -349,18 +351,20 @@ fun ArticleTitleBar(
                 }
             }
 
-            SelectionContainer {
-                Text(
-                    text = title,
-                    style = MaterialTheme.typography.dictionaryTitleLarge,
-                    color = MaterialTheme.colorScheme.onSurface,
-                    maxLines = 1,
-                    overflow = TextOverflow.Ellipsis,
-                    modifier = Modifier
-                        .padding(start = if (showBackButton) Spacing.searchTextStart - Spacing.iconStart - 24.dp else 16.dp)
-                        .testTag("article_title")
-                        .semantics { testTagsAsResourceId = true }
-                )
+            key(selectionReset) {
+                SelectionContainer {
+                    Text(
+                        text = title,
+                        style = MaterialTheme.typography.dictionaryTitleLarge,
+                        color = MaterialTheme.colorScheme.onSurface,
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis,
+                        modifier = Modifier
+                            .padding(start = if (showBackButton) Spacing.searchTextStart - Spacing.iconStart - 24.dp else 16.dp)
+                            .testTag("article_title")
+                            .semantics { testTagsAsResourceId = true }
+                    )
+                }
             }
         }
     }
@@ -374,22 +378,31 @@ internal fun ArticleScreen(
     onRefClick: ((String) -> Unit)? = null,
     onScrollPositionChanged: ((Int, Int) -> Unit)? = null,
 ) {
-    Scaffold(
-        topBar = {
-            ArticleTitleBar(
+    val titleSelectionReset = remember { mutableIntStateOf(0) }
+    Box(
+        modifier = Modifier.clickable(
+            interactionSource = remember { MutableInteractionSource() },
+            indication = null
+        ) { titleSelectionReset.intValue++ }
+    ) {
+        Scaffold(
+            topBar = {
+                ArticleTitleBar(
+                    articleState = articleState,
+                    showBackButton = true,
+                    onNavigateBack = onNavigateBack,
+                    selectionReset = titleSelectionReset.intValue
+                )
+            },
+            contentWindowInsets = AppWindowInsets.contentWithNavigation
+        ) { padding ->
+            ArticleContent(
                 articleState = articleState,
-                showBackButton = true,
-                onNavigateBack = onNavigateBack
+                onNavigateBack = onNavigateBack,
+                onRefClick = onRefClick,
+                onScrollPositionChanged = onScrollPositionChanged,
+                modifier = Modifier.padding(padding)
             )
-        },
-        contentWindowInsets = AppWindowInsets.contentWithNavigation
-    ) { padding ->
-        ArticleContent(
-            articleState = articleState,
-            onNavigateBack = onNavigateBack,
-            onRefClick = onRefClick,
-            onScrollPositionChanged = onScrollPositionChanged,
-            modifier = Modifier.padding(padding)
-        )
+        }
     }
 }

app/src/main/java/com/example/research/ui/main/AdaptiveMainScreen.kt

@@ -1,5 +1,7 @@
 package com.example.research.ui.main
 
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
@@ -90,9 +92,14 @@ fun AdaptiveMainScreen(
                 )
             },
             detailPane = {
+                val titleSelectionReset = remember { mutableIntStateOf(0) }
                 Column(
                     modifier = Modifier
                         .fillMaxSize()
+                        .clickable(
+                            interactionSource = remember { MutableInteractionSource() },
+                            indication = null
+                        ) { titleSelectionReset.intValue++ }
                         .padding(bottom = 16.dp)
                 ) {
                     ArticleTitleBar(
@@ -100,6 +107,7 @@ fun AdaptiveMainScreen(
                         showBackButton = isShowingDetail && articleState != null,
                         onNavigateBack = onNavigateBackFromArticle,
                         compact = true,
+                        selectionReset = titleSelectionReset.intValue,
                         modifier = Modifier.windowInsetsPadding(
                             WindowInsets.safeDrawing.only(WindowInsetsSides.Top)
                         )