app/src/main/java/com/stand/standapp/ui/chat/ChatViewModel.kt

@@ -21,7 +21,7 @@ import org.json.JSONArray
 import org.json.JSONObject
 import java.util.UUID
 
-private const val STREAM_FLUSH_INTERVAL_MS = 150L
+private const val STREAM_FLUSH_INTERVAL_MS = 50L
 
 class ChatViewModel(application: Application) : AndroidViewModel(application) {
     private val repository = AiChatRepository()
@@ -139,8 +139,6 @@ class ChatViewModel(application: Application) : AndroidViewModel(application) {
     }
 
     private fun saveCacheToLocal() {
-        // 将数据保存放到IO线程中，防止SharedPreferences写大文本阻塞主线程卡顿
-        viewModelScope.launch(kotlinx.coroutines.Dispatchers.IO) {
         try {
             // 保存会话列表
             val sessionsArray = JSONArray()
@@ -171,7 +169,6 @@ class ChatViewModel(application: Application) : AndroidViewModel(application) {
             e.printStackTrace()
         }
     }
-    }
 
     // 👈 用户手动中断当前正在生成的 AI 回答的方法！
     fun cancelActiveStreaming() {

app/src/main/java/com/stand/standapp/ui/chat/FloatingChatWidget.kt

@@ -94,19 +94,25 @@ fun FloatingChatWidget() {
                 visible = true
             }
 
+            // 👈 用 FAB 位置计算对话框位置，但强制钳制在屏幕内
+            // FAB右下角为基准：对话框应该出现在 FAB 附近
+            val fabRight = screenWidthPx - paddingPx * 2 + fabOffsetX  // FAB右边缘
+            val fabBottom = screenHeightPx - paddingPx * 2 - navBarPx + fabOffsetY  // FAB下边缘
+
+            // 对话框优先放在 FAB 左上方，如果放不下就贴边
+            val rawX = fabRight - cardWidthPx - paddingPx  // FAB左边
+            val rawY = fabBottom - cardHeightPx - paddingPx  // FAB上边
+
+            // 👈 关键：钳制到屏幕内
+            val clampedX = rawX.coerceIn(0f, screenWidthPx - cardWidthPx)
+            val clampedY = rawY.coerceIn(0f, screenHeightPx - cardHeightPx)
+
             AnimatedVisibility(
                 visible = visible,
                 enter = fadeIn(animationSpec = tween(300)) + scaleIn(initialScale = 0.8f, animationSpec = tween(300)),
                 exit = fadeOut(animationSpec = tween(200)) + scaleOut(targetScale = 0.8f, animationSpec = tween(200)),
                 modifier = Modifier
                     .offset {
-                        val fabRight = screenWidthPx - paddingPx * 2 + fabOffsetX
-                        val fabBottom = screenHeightPx - paddingPx * 2 - navBarPx + fabOffsetY
-                        val rawX = fabRight - cardWidthPx - paddingPx
-                        val rawY = fabBottom - cardHeightPx - paddingPx
-                        val clampedX = rawX.coerceIn(0f, screenWidthPx - cardWidthPx)
-                        val clampedY = rawY.coerceIn(0f, screenHeightPx - cardHeightPx)
-                        
                         IntOffset(
                             (clampedX + cardDragX).roundToInt()
                                 .coerceIn(0, (screenWidthPx - cardWidthPx).toInt()),

app/src/main/java/com/stand/standapp/ui/chat/components/ChatArea.kt

@@ -40,18 +40,6 @@ fun ChatArea(
         }
     }
 
-    val context = androidx.compose.ui.platform.LocalContext.current
-    val markwon = remember(context) {
-        io.noties.markwon.Markwon.builder(context)
-            .usePlugin(io.noties.markwon.core.CorePlugin.create())
-            .usePlugin(io.noties.markwon.ext.tables.TablePlugin.create(context))
-            .usePlugin(io.noties.markwon.html.HtmlPlugin.create())
-            .usePlugin(io.noties.markwon.linkify.LinkifyPlugin.create())
-            .usePlugin(io.noties.markwon.ext.strikethrough.StrikethroughPlugin.create())
-            .usePlugin(io.noties.markwon.ext.tasklist.TaskListPlugin.create(context))
-            .build()
-    }
-    
     val isAnyStreaming = remember(messages) { messages.any { it.isStreaming } }
     if (isAnyStreaming) {
         val totalLength = messages.map { it.content.length }.sum()
@@ -123,7 +111,6 @@ fun ChatArea(
                             val contentWithCursor = msg.content + if (msg.isStreaming) " █" else ""
                             MarkwonRenderer(
                                 markdown = contentWithCursor,
-                                markwon = markwon,
                                 modifier = Modifier.padding(12.dp)
                             )
                         }
@@ -174,7 +161,19 @@ fun ChatArea(
 }
 
 @Composable
-fun MarkwonRenderer(markdown: String, markwon: io.noties.markwon.Markwon, modifier: Modifier) {
+fun MarkwonRenderer(markdown: String, modifier: Modifier) {
+    val context = androidx.compose.ui.platform.LocalContext.current
+    val markwon = remember(context) {
+        io.noties.markwon.Markwon.builder(context)
+            .usePlugin(io.noties.markwon.core.CorePlugin.create())
+            .usePlugin(io.noties.markwon.ext.tables.TablePlugin.create(context))
+            .usePlugin(io.noties.markwon.html.HtmlPlugin.create())
+            .usePlugin(io.noties.markwon.linkify.LinkifyPlugin.create())
+            .usePlugin(io.noties.markwon.ext.strikethrough.StrikethroughPlugin.create())
+            .usePlugin(io.noties.markwon.ext.tasklist.TaskListPlugin.create(context))
+            .build()
+    }
+
     androidx.compose.ui.viewinterop.AndroidView(
         factory = { ctx ->
             val textView = SafeSelectableTextView(ctx).apply {

app/src/main/java/com/stand/standapp/utils/LogManager.kt

@@ -187,9 +187,6 @@ object LogManager {
         private val fileNameFormat = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
 
         override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
-            // 过滤掉高频的 VERBOSE 级别日志写入（例如录音帧），保留在控制台输出
-            if (priority == android.util.Log.VERBOSE) return
-            
             executor.execute {
                 try {
                     val logFile = File(logDir, "${fileNameFormat.format(Date())}.log")