按钮宽度调整：

实现按钮宽度规则：默认 140dp，只有内容宽度超过 140dp 时直接扩展到 250dp。

app/src/main/java/com/aiosman/ravenow/ui/agent/AddAgent.kt

@@ -35,8 +35,11 @@ import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.platform.LocalSoftwareKeyboardController
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.rememberTextMeasurer
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.lifecycle.viewModelScope
@@ -566,10 +569,27 @@ fun AddAgentScreen() {
                     .padding(horizontal = 16.dp)
                     .align(Alignment.Start)
             ) {
+                val density = LocalDensity.current
+                val textMeasurer = rememberTextMeasurer()
+                val autoLabel = stringResource(R.string.create_agent_auto)
+                val measuredTextWidth = remember(autoLabel, textMeasurer) {
+                    textMeasurer.measure(
+                        text = AnnotatedString(autoLabel),
+                        style = TextStyle(
+                            color = appColors.text,
+                            fontWeight = FontWeight.W600,
+                            fontSize = 14.sp
+                        )
+                    ).size.width
+                }
+                val textWidthDp = with(density) { measuredTextWidth.toDp() }
+                val contentWidth = 24.dp + 18.dp + 8.dp + textWidthDp
+                val boxWidth = if (contentWidth > 140.dp) 250.dp else 140.dp
+
                 Box(
                     modifier = Modifier
                         .align(Alignment.Start)
-                        .widthIn(min = 140.dp,max = 250.dp)
+                        .width(boxWidth)
                         .height(40.dp)
                         .shadow(
                             elevation = 10.dp,
@@ -617,7 +637,7 @@ fun AddAgentScreen() {
                         )
                         Spacer(modifier = Modifier.width(8.dp))
                         Text(
-                            text =  stringResource(R.string.create_agent_auto),
+                            text =  autoLabel,
                             color = appColors.text,
                             fontWeight = FontWeight.W600,
                             fontSize = 14.sp

app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsCommentModal.kt

@@ -214,7 +214,7 @@ fun NewsCommentModal(
             verticalAlignment = Alignment.CenterVertically
         ) {
             Text(
-                text = "${currentCommentCount}条评论",
+                text = stringResource(R.string.comment_count, currentCommentCount),
                 fontSize = 15.sp,
                 fontWeight = FontWeight.Bold,
                 color = AppColors.text