更新

.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

.idea/misc.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/src/main/java/cn/flyzxf/agentapp/ui/ChatScreen.kt

@@ -418,9 +418,16 @@ private fun MessagesArea(
         }.collect { nearBottom -> autoScroll = nearBottom }
     }
 
+    // Instant scroll (not animated) so it doesn't fight with user drag gestures
     LaunchedEffect(state.streamContent, state.streamReasoning, messages.size, state.isStreaming) {
         if (autoScroll && totalItems > 0) {
-            listState.animateScrollToItem(totalItems - 1)
+            if (state.streamContent.isNotBlank()) {
+                // Content phase: scroll to bottom of the streaming message
+                listState.scrollToItem(totalItems - 1, 100000)
+            } else {
+                // Reasoning phase: keep streaming message header visible
+                listState.scrollToItem(totalItems - 1)
+            }
         }
     }
 
@@ -484,7 +491,7 @@ private fun MessagesArea(
                     .border(1.dp, c.border, CircleShape)
                     .clickable {
                         autoScroll = true
-                        scope.launch { listState.animateScrollToItem(totalItems - 1) }
+                        scope.launch { listState.animateScrollToItem(totalItems - 1, 100000) }
                     },
                 contentAlignment = Alignment.Center,
             ) {
@@ -633,6 +640,13 @@ private fun StreamingMessage(content: String, reasoning: String, onCopy: () -> U
 private fun ReasoningCard(reasoning: String, isStreaming: Boolean) {
     val c = LocalAppColors.current
     var collapsed by remember { mutableStateOf(false) }
+    val scrollState = rememberScrollState()
+    // Auto-scroll reasoning text to bottom as new content arrives
+    LaunchedEffect(reasoning) {
+        if (isStreaming && !collapsed) {
+            scrollState.animateScrollTo(scrollState.maxValue)
+        }
+    }
     Column(
         modifier = Modifier
             .fillMaxWidth()
@@ -663,7 +677,7 @@ private fun ReasoningCard(reasoning: String, isStreaming: Boolean) {
                 modifier = Modifier
                     .fillMaxWidth()
                     .heightIn(max = 320.dp)
-                    .verticalScroll(rememberScrollState())
+                    .verticalScroll(scrollState)
                     .padding(horizontal = 12.dp, vertical = 8.dp)
             ) {
                 SelectionContainer {
@@ -763,15 +777,14 @@ private fun ComposerBar(state: ChatUiState, onSend: (String) -> Unit, onStop: ()
             Box(
                 modifier = Modifier
                     .size(44.dp)
-                    .clip(RoundedCornerShape(12.dp))
+                    .shadow(6.dp, RoundedCornerShape(12.dp), clip = true)
                     .background(c.accentBrush)
-                    .shadow(6.dp, RoundedCornerShape(12.dp), clip = false)
                     .clickable(enabled = input.isNotBlank()) {
                         onSend(input); input = ""
                     },
                 contentAlignment = Alignment.Center,
             ) {
-                Icon(Icons.AutoMirrored.Filled.Send, contentDescription = "发送", tint = Color.White)
+                Icon(Icons.AutoMirrored.Filled.Send, contentDescription = "发送", tint = Color.White, modifier = Modifier.size(22.dp))
             }
         }
     }